Data Preview 0.2
Data Preview 0.2 contains the image and catalog products of the Rubin Science Pipelines v23 processing of the DESC Data Challenge 2 simulation, which covered 300 square degrees of the wide-fast-deep LSST survey region over 5 years.
Object
Properties of the astronomical objects detected and measured on the deep coadded images.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| objectId | long | Unique id. Unique ObjectID | meta.id;src;meta.main | 1 | 1 | |
| coord_dec | double | deg | Fiducial ICRS Declination of centroid used for database indexing | pos.eq.dec;meta.main | 4 | 1 |
| coord_ra | double | deg | Fiducial ICRS Right Ascension of centroid used for database indexing | pos.eq.ra;meta.main | 3 | 1 |
| deblend_nChild | int | Number of children this object has (defaults to 0) | 101 | 0 | ||
| deblend_skipped | boolean | Deblender skipped this source | 102 | 0 | ||
| detect_fromBlend | boolean | This source is deblended from a parent with more than one child. | 103 | 0 | ||
| detect_isDeblendedModelSource | boolean | True if source has no children and is in the inner region of a coadd patch and is in the inner region of a coadd tract and is not a sky source and is a deblended child | 104 | 0 | ||
| detect_isDeblendedSource | boolean | True if source has no children and is in the inner region of a coadd patch and is in the inner region of a coadd tract and is not a sky source and is either an unblended isolated source or a deblended child from a parent with | 105 | 0 | ||
| detect_isIsolated | boolean | This source is not a part of a blend. | 106 | 0 | ||
| detect_isPatchInner | boolean | True if source is in the inner region of a coadd patch | 107 | 0 | ||
| detect_isPrimary | boolean | True if source has no children and is in the inner region of a coadd patch and is in the inner region of a coadd tract and is not a sky source | 108 | 1 | ||
| detect_isTractInner | boolean | True if source is in the inner region of a coadd tract | 109 | 0 | ||
| footprintArea | int | pixel | Number of pixels in the source's detection footprint. Reference band. | 110 | 0 | |
| merge_peak_sky | boolean | Peak detected in filter sky | 111 | 0 | ||
| parentObjectId | long | Unique ID of parent source. Reference band. | meta.id.parent | 2 | 0 | |
| patch | long | Skymap patch ID | meta.id.part;obs.field | 6 | 0 | |
| refBand | char | Reference band - parameters measured on coadds of this band were used for multi-band forced photometry | meta.id;instr.filter;meta.main | 112 | 1 | |
| refExtendedness | double | Set to 1 for extended sources, 0 for point sources. Reference band. | 113 | 1 | ||
| refFwhm | double | Estimated FWHM on the reference band at source center assuming a Gaussian profile | 114 | 0 | ||
| shape_flag | boolean | General failure flag, set if anything went wrong. Reference band. | 115 | 0 | ||
| shape_xx | double | pixel**2 | Hirata-Seljak-Mandelbaum (HSM) moments. Reference band. | 116 | 0 | |
| shape_xy | double | pixel**2 | HSM moments. Reference band. | 117 | 0 | |
| shape_yy | double | pixel**2 | HSM moments. Reference band. | 118 | 0 | |
| sky_object | boolean | No source was detected here. This object exists to characterize properties of the sky background | 119 | 0 | ||
| skymap | char | Name of skymap used for coadd projection | 120 | 0 | ||
| tract | long | Skymap tract ID | meta.id;obs.field | 5 | 0 | |
| x | double | pixel | Centroid from SDSS Centroid algorithm. Reference band. | 121 | 0 | |
| xErr | float | pixel | 1-sigma uncertainty on x position. Reference band. | 122 | 0 | |
| xy_flag | boolean | General Failure Flag. Reference band. | 123 | 0 | ||
| y | double | pixel | Centroid from SDSS Centroid algorithm. Reference band. | 124 | 0 | |
| yErr | float | pixel | 1-sigma uncertainty on y position. Reference band. | 125 | 0 | |
| g_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on g-band. | 2101 | 0 | |
| g_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on g-band. | 2102 | 0 | |
| g_ap03Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2103 | 0 | ||
| g_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on g-band. | 2104 | 0 | |
| g_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on g-band. | 2105 | 0 | |
| g_ap06Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2106 | 0 | ||
| g_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on g-band. | 2107 | 0 | |
| g_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on g-band. | 2108 | 0 | |
| g_ap09Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2109 | 0 | ||
| g_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on g-band. | 2110 | 0 | |
| g_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on g-band. | 2111 | 0 | |
| g_ap12Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2112 | 0 | ||
| g_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on g-band. | 2113 | 0 | |
| g_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on g-band. | 2114 | 0 | |
| g_ap17Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2115 | 0 | ||
| g_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on g-band. | 2116 | 0 | |
| g_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on g-band. | 2117 | 0 | |
| g_ap25Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2118 | 0 | ||
| g_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on g-band. | 2119 | 0 | |
| g_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on g-band. | 2120 | 0 | |
| g_ap35Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2121 | 0 | ||
| g_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on g-band. | 2122 | 0 | |
| g_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on g-band. | 2123 | 0 | |
| g_ap50Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2124 | 0 | ||
| g_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on g-band. | 2125 | 0 | |
| g_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on g-band. | 2126 | 0 | |
| g_ap70Flux_flag | boolean | General Failure Flag. Forced on g-band. | 2127 | 0 | ||
| g_apFlux_flag | boolean | General Failure Flag. Measured on g-band. | 2128 | 0 | ||
| g_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on g-band. | 2129 | 0 | ||
| g_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on g-band. | 2130 | 0 | ||
| g_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on g-band. | 2131 | 0 | ||
| g_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on g-band. | 2132 | 0 | |
| g_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on g-band. | 2133 | 0 | |
| g_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on g-band. | 2134 | 0 | |
| g_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on g-band. | 2135 | 0 | |
| g_bdFluxD | double | nJy | Flux from the exponential fit. Measured on g-band. | 2136 | 0 | |
| g_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on g-band. | 2137 | 0 | |
| g_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on g-band. | 2138 | 0 | |
| g_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on g-band. | 2139 | 0 | |
| g_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on g-band. | 2140 | 0 | ||
| g_blendedness_flag | boolean | General Failure Flag. Measured on g-band. | 2141 | 0 | ||
| g_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on g-band. | 2142 | 0 | |
| g_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on g-band. | 2143 | 0 | |
| g_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on g-band. | 2144 | 0 | |
| g_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on g-band. | 2145 | 0 | ||
| g_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on g-band. | 2146 | 0 | ||
| g_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on g-band. | 2147 | 0 | |
| g_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on g-band. | 2148 | 0 | |
| g_calibFlux_flag | boolean | General Failure Flag. Measured on g-band. | 2149 | 0 | ||
| g_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on g-band. | 2150 | 0 | ||
| g_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on g-band. | 2151 | 0 | ||
| g_calib_astrometry_used | boolean | Propagated from sources. Measured on g-band. | 2152 | 0 | ||
| g_calib_photometry_reserved | boolean | Propagated from sources. Measured on g-band. | 2153 | 0 | ||
| g_calib_photometry_used | boolean | Propagated from sources. Measured on g-band. | 2154 | 0 | ||
| g_calib_psf_candidate | boolean | Propagated from sources. Measured on g-band. | 2155 | 0 | ||
| g_calib_psf_reserved | boolean | Propagated from sources. Measured on g-band. | 2156 | 0 | ||
| g_calib_psf_used | boolean | Propagated from sources. Measured on g-band. | 2157 | 0 | ||
| g_centroid_flag | boolean | General Failure Flag. Measured on g-band. | 2158 | 0 | ||
| g_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on g-band. | 2159 | 0 | |
| g_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on g-band. | 2160 | 0 | |
| g_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on g-band. | 2161 | 0 | |
| g_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on g-band. | 2162 | 0 | |
| g_decl | double | deg | Position in Declination. Measured on g-band. | pos.eq.dec | 2002 | 0 |
| g_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on g-band. | 2163 | 1 | ||
| g_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on g-band. | 2164 | 0 | ||
| g_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on g-band. | 2165 | 0 | |
| g_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on g-band. | 2166 | 0 | |
| g_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on g-band. | 2167 | 0 | ||
| g_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on g-band. | 2168 | 0 | |
| g_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on g-band. | 2169 | 0 | |
| g_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on g-band. | 2170 | 0 | |
| g_free_psfFlux_flag | boolean | General Failure Flag. Measured on g-band. | 2171 | 0 | ||
| g_fwhm | double | pixel**2 | HSM moments. Measured on g-band. | 2172 | 0 | |
| g_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2173 | 0 | |
| g_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2174 | 0 | |
| g_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2175 | 0 | ||
| g_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2176 | 0 | |
| g_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2177 | 0 | |
| g_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2178 | 0 | ||
| g_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2179 | 0 | |
| g_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2180 | 0 | |
| g_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2181 | 0 | ||
| g_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2182 | 0 | |
| g_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2183 | 0 | |
| g_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2184 | 0 | ||
| g_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2185 | 0 | |
| g_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2186 | 0 | |
| g_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2187 | 0 | ||
| g_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2188 | 0 | |
| g_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on g-band. | 2189 | 0 | |
| g_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2190 | 0 | ||
| g_gaapFlux_flag | boolean | Set for any fatal failure. Forced on g-band. | 2191 | 0 | ||
| g_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on g-band. | 2192 | 0 | ||
| g_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on g-band. | 2193 | 0 | ||
| g_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on g-band. | 2194 | 0 | |
| g_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on g-band. | 2195 | 0 | |
| g_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on g-band. | 2196 | 0 | ||
| g_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on g-band. | 2197 | 0 | |
| g_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on g-band. | 2198 | 0 | |
| g_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band. | 2199 | 0 | ||
| g_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band. | 2200 | 0 | ||
| g_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on g-band. | 2201 | 0 | ||
| g_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band. | 2202 | 0 | ||
| g_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on g-band. | 2203 | 0 | ||
| g_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on g-band. | 2204 | 0 | ||
| g_iRound_flag | double | pixel**2 | HSM moments. Measured on g-band. | 2205 | 0 | |
| g_i_flag | boolean | General failure flag, set if anything went wrong. Measured on g-band. | 2206 | 0 | ||
| g_inputCount | int | Number of images contributing at center, not including any clipping. Forced on g-band. | 2207 | 0 | ||
| g_inputCount_flag | boolean | Set for any fatal failure. Forced on g-band. | 2208 | 0 | ||
| g_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on g-band. | 2209 | 0 | ||
| g_ixx | double | pixel**2 | HSM moments. Measured on g-band. | 2210 | 0 | |
| g_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2211 | 0 | |
| g_ixxPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2212 | 0 | |
| g_ixxRound | double | pixel**2 | HSM moments. Measured on g-band. | 2213 | 0 | |
| g_ixy | double | pixel**2 | HSM moments. Measured on g-band. | 2214 | 0 | |
| g_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2215 | 0 | |
| g_ixyPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2216 | 0 | |
| g_ixyRound | double | pixel**2 | HSM moments. Measured on g-band. | 2217 | 0 | |
| g_iyy | double | pixel**2 | HSM moments. Measured on g-band. | 2218 | 0 | |
| g_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2219 | 0 | |
| g_iyyPSF | double | pixel**2 | HSM moments. Measured on g-band. | 2220 | 0 | |
| g_iyyRound | double | pixel**2 | HSM moments. Measured on g-band. | 2221 | 0 | |
| g_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on g-band. | 2222 | 0 | |
| g_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on g-band. | 2223 | 0 | |
| g_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on g-band. | 2224 | 0 | ||
| g_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on g-band. | 2225 | 0 | ||
| g_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on g-band. | 2226 | 0 | ||
| g_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on g-band. | 2227 | 0 | ||
| g_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on g-band. | 2228 | 0 | ||
| g_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on g-band. | 2229 | 0 | ||
| g_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on g-band. | 2230 | 0 | ||
| g_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on g-band. | 2231 | 0 | ||
| g_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on g-band. | 2232 | 0 | ||
| g_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on g-band. | 2233 | 0 | ||
| g_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on g-band. | 2234 | 0 | |
| g_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on g-band. | 2235 | 0 | ||
| g_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on g-band. | 2236 | 0 | ||
| g_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on g-band. | 2237 | 0 | ||
| g_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on g-band. | 2238 | 0 | ||
| g_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on g-band. | 2239 | 0 | ||
| g_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on g-band. | 2240 | 0 | ||
| g_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on g-band. | 2241 | 0 | ||
| g_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on g-band. | 2242 | 0 | ||
| g_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on g-band. | 2243 | 0 | ||
| g_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on g-band. | 2244 | 0 | ||
| g_pixelFlags_offimage | boolean | Source center is off image. Measured on g-band. | 2245 | 0 | ||
| g_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on g-band. | 2246 | 0 | ||
| g_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on g-band. | 2247 | 0 | ||
| g_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on g-band. | 2248 | 0 | ||
| g_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on g-band. | 2249 | 0 | ||
| g_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on g-band. | 2250 | 0 | ||
| g_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on g-band. | 2251 | 0 | ||
| g_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on g-band. | 2252 | 1 | |
| g_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on g-band. | 2253 | 1 | |
| g_psfFlux_area | float | pixel | Effective area of PSF. Forced on g-band. | 2254 | 0 | |
| g_psfFlux_flag | boolean | General Failure Flag. Forced on g-band. | 2255 | 0 | ||
| g_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on g-band. | 2256 | 0 | ||
| g_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on g-band. | 2257 | 0 | ||
| g_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on g-band. | 2258 | 0 | ||
| g_ra | double | deg | Position in Right Ascension. Measured on g-band. | pos.eq.ra | 2001 | 0 |
| i_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on i-band. | 4101 | 0 | |
| i_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on i-band. | 4102 | 0 | |
| i_ap03Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4103 | 0 | ||
| i_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on i-band. | 4104 | 0 | |
| i_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on i-band. | 4105 | 0 | |
| i_ap06Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4106 | 0 | ||
| i_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on i-band. | 4107 | 0 | |
| i_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on i-band. | 4108 | 0 | |
| i_ap09Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4109 | 0 | ||
| i_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on i-band. | 4110 | 0 | |
| i_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on i-band. | 4111 | 0 | |
| i_ap12Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4112 | 0 | ||
| i_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on i-band. | 4113 | 0 | |
| i_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on i-band. | 4114 | 0 | |
| i_ap17Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4115 | 0 | ||
| i_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on i-band. | 4116 | 0 | |
| i_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on i-band. | 4117 | 0 | |
| i_ap25Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4118 | 0 | ||
| i_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on i-band. | 4119 | 0 | |
| i_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on i-band. | 4120 | 0 | |
| i_ap35Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4121 | 0 | ||
| i_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on i-band. | 4122 | 0 | |
| i_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on i-band. | 4123 | 0 | |
| i_ap50Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4124 | 0 | ||
| i_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on i-band. | 4125 | 0 | |
| i_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on i-band. | 4126 | 0 | |
| i_ap70Flux_flag | boolean | General Failure Flag. Forced on i-band. | 4127 | 0 | ||
| i_apFlux_flag | boolean | General Failure Flag. Measured on i-band. | 4128 | 0 | ||
| i_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on i-band. | 4129 | 0 | ||
| i_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on i-band. | 4130 | 0 | ||
| i_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on i-band. | 4131 | 0 | ||
| i_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on i-band. | 4132 | 0 | |
| i_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on i-band. | 4133 | 0 | |
| i_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on i-band. | 4134 | 0 | |
| i_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on i-band. | 4135 | 0 | |
| i_bdFluxD | double | nJy | Flux from the exponential fit. Measured on i-band. | 4136 | 0 | |
| i_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on i-band. | 4137 | 0 | |
| i_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on i-band. | 4138 | 0 | |
| i_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on i-band. | 4139 | 0 | |
| i_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on i-band. | 4140 | 0 | ||
| i_blendedness_flag | boolean | General Failure Flag. Measured on i-band. | 4141 | 0 | ||
| i_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on i-band. | 4142 | 0 | |
| i_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on i-band. | 4143 | 0 | |
| i_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on i-band. | 4144 | 0 | |
| i_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on i-band. | 4145 | 0 | ||
| i_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on i-band. | 4146 | 0 | ||
| i_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on i-band. | 4147 | 0 | |
| i_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on i-band. | 4148 | 0 | |
| i_calibFlux_flag | boolean | General Failure Flag. Measured on i-band. | 4149 | 0 | ||
| i_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on i-band. | 4150 | 0 | ||
| i_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on i-band. | 4151 | 0 | ||
| i_calib_astrometry_used | boolean | Propagated from sources. Measured on i-band. | 4152 | 0 | ||
| i_calib_photometry_reserved | boolean | Propagated from sources. Measured on i-band. | 4153 | 0 | ||
| i_calib_photometry_used | boolean | Propagated from sources. Measured on i-band. | 4154 | 0 | ||
| i_calib_psf_candidate | boolean | Propagated from sources. Measured on i-band. | 4155 | 0 | ||
| i_calib_psf_reserved | boolean | Propagated from sources. Measured on i-band. | 4156 | 0 | ||
| i_calib_psf_used | boolean | Propagated from sources. Measured on i-band. | 4157 | 0 | ||
| i_centroid_flag | boolean | General Failure Flag. Measured on i-band. | 4158 | 0 | ||
| i_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on i-band. | 4159 | 0 | |
| i_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on i-band. | 4160 | 0 | |
| i_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on i-band. | 4161 | 0 | |
| i_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on i-band. | 4162 | 0 | |
| i_decl | double | deg | Position in Declination. Measured on i-band. | pos.eq.dec | 4002 | 0 |
| i_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on i-band. | 4163 | 1 | ||
| i_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on i-band. | 4164 | 0 | ||
| i_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on i-band. | 4165 | 0 | |
| i_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on i-band. | 4166 | 0 | |
| i_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on i-band. | 4167 | 0 | ||
| i_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on i-band. | 4168 | 0 | |
| i_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on i-band. | 4169 | 0 | |
| i_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on i-band. | 4170 | 0 | |
| i_free_psfFlux_flag | boolean | General Failure Flag. Measured on i-band. | 4171 | 0 | ||
| i_fwhm | double | pixel**2 | HSM moments. Measured on i-band. | 4172 | 0 | |
| i_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4173 | 0 | |
| i_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4174 | 0 | |
| i_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4175 | 0 | ||
| i_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4176 | 0 | |
| i_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4177 | 0 | |
| i_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4178 | 0 | ||
| i_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4179 | 0 | |
| i_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4180 | 0 | |
| i_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4181 | 0 | ||
| i_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4182 | 0 | |
| i_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4183 | 0 | |
| i_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4184 | 0 | ||
| i_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4185 | 0 | |
| i_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4186 | 0 | |
| i_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4187 | 0 | ||
| i_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4188 | 0 | |
| i_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on i-band. | 4189 | 0 | |
| i_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4190 | 0 | ||
| i_gaapFlux_flag | boolean | Set for any fatal failure. Forced on i-band. | 4191 | 0 | ||
| i_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on i-band. | 4192 | 0 | ||
| i_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on i-band. | 4193 | 0 | ||
| i_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on i-band. | 4194 | 0 | |
| i_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on i-band. | 4195 | 0 | |
| i_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on i-band. | 4196 | 0 | ||
| i_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on i-band. | 4197 | 0 | |
| i_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on i-band. | 4198 | 0 | |
| i_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band. | 4199 | 0 | ||
| i_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band. | 4200 | 0 | ||
| i_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on i-band. | 4201 | 0 | ||
| i_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band. | 4202 | 0 | ||
| i_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on i-band. | 4203 | 0 | ||
| i_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on i-band. | 4204 | 0 | ||
| i_iRound_flag | double | pixel**2 | HSM moments. Measured on i-band. | 4205 | 0 | |
| i_i_flag | boolean | General failure flag, set if anything went wrong. Measured on i-band. | 4206 | 0 | ||
| i_inputCount | int | Number of images contributing at center, not including any clipping. Forced on i-band. | 4207 | 0 | ||
| i_inputCount_flag | boolean | Set for any fatal failure. Forced on i-band. | 4208 | 0 | ||
| i_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on i-band. | 4209 | 0 | ||
| i_ixx | double | pixel**2 | HSM moments. Measured on i-band. | 4210 | 0 | |
| i_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4211 | 0 | |
| i_ixxPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4212 | 0 | |
| i_ixxRound | double | pixel**2 | HSM moments. Measured on i-band. | 4213 | 0 | |
| i_ixy | double | pixel**2 | HSM moments. Measured on i-band. | 4214 | 0 | |
| i_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4215 | 0 | |
| i_ixyPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4216 | 0 | |
| i_ixyRound | double | pixel**2 | HSM moments. Measured on i-band. | 4217 | 0 | |
| i_iyy | double | pixel**2 | HSM moments. Measured on i-band. | 4218 | 0 | |
| i_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4219 | 0 | |
| i_iyyPSF | double | pixel**2 | HSM moments. Measured on i-band. | 4220 | 0 | |
| i_iyyRound | double | pixel**2 | HSM moments. Measured on i-band. | 4221 | 0 | |
| i_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on i-band. | 4222 | 0 | |
| i_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on i-band. | 4223 | 0 | |
| i_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on i-band. | 4224 | 0 | ||
| i_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on i-band. | 4225 | 0 | ||
| i_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on i-band. | 4226 | 0 | ||
| i_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on i-band. | 4227 | 0 | ||
| i_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on i-band. | 4228 | 0 | ||
| i_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on i-band. | 4229 | 0 | ||
| i_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on i-band. | 4230 | 0 | ||
| i_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on i-band. | 4231 | 0 | ||
| i_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on i-band. | 4232 | 0 | ||
| i_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on i-band. | 4233 | 0 | ||
| i_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on i-band. | 4234 | 0 | |
| i_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on i-band. | 4235 | 0 | ||
| i_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on i-band. | 4236 | 0 | ||
| i_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on i-band. | 4237 | 0 | ||
| i_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on i-band. | 4238 | 0 | ||
| i_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on i-band. | 4239 | 0 | ||
| i_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on i-band. | 4240 | 0 | ||
| i_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on i-band. | 4241 | 0 | ||
| i_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on i-band. | 4242 | 0 | ||
| i_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on i-band. | 4243 | 0 | ||
| i_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on i-band. | 4244 | 0 | ||
| i_pixelFlags_offimage | boolean | Source center is off image. Measured on i-band. | 4245 | 0 | ||
| i_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on i-band. | 4246 | 0 | ||
| i_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on i-band. | 4247 | 0 | ||
| i_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on i-band. | 4248 | 0 | ||
| i_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on i-band. | 4249 | 0 | ||
| i_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on i-band. | 4250 | 0 | ||
| i_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on i-band. | 4251 | 0 | ||
| i_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on i-band. | 4252 | 1 | |
| i_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on i-band. | 4253 | 1 | |
| i_psfFlux_area | float | pixel | Effective area of PSF. Forced on i-band. | 4254 | 0 | |
| i_psfFlux_flag | boolean | General Failure Flag. Forced on i-band. | 4255 | 0 | ||
| i_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on i-band. | 4256 | 0 | ||
| i_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on i-band. | 4257 | 0 | ||
| i_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on i-band. | 4258 | 0 | ||
| i_ra | double | deg | Position in Right Ascension. Measured on i-band. | pos.eq.ra | 4001 | 0 |
| r_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on r-band. | 3101 | 0 | |
| r_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on r-band. | 3102 | 0 | |
| r_ap03Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3103 | 0 | ||
| r_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on r-band. | 3104 | 0 | |
| r_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on r-band. | 3105 | 0 | |
| r_ap06Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3106 | 0 | ||
| r_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on r-band. | 3107 | 0 | |
| r_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on r-band. | 3108 | 0 | |
| r_ap09Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3109 | 0 | ||
| r_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on r-band. | 3110 | 0 | |
| r_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on r-band. | 3111 | 0 | |
| r_ap12Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3112 | 0 | ||
| r_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on r-band. | 3113 | 0 | |
| r_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on r-band. | 3114 | 0 | |
| r_ap17Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3115 | 0 | ||
| r_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on r-band. | 3116 | 0 | |
| r_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on r-band. | 3117 | 0 | |
| r_ap25Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3118 | 0 | ||
| r_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on r-band. | 3119 | 0 | |
| r_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on r-band. | 3120 | 0 | |
| r_ap35Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3121 | 0 | ||
| r_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on r-band. | 3122 | 0 | |
| r_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on r-band. | 3123 | 0 | |
| r_ap50Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3124 | 0 | ||
| r_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on r-band. | 3125 | 0 | |
| r_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on r-band. | 3126 | 0 | |
| r_ap70Flux_flag | boolean | General Failure Flag. Forced on r-band. | 3127 | 0 | ||
| r_apFlux_flag | boolean | General Failure Flag. Measured on r-band. | 3128 | 0 | ||
| r_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on r-band. | 3129 | 0 | ||
| r_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on r-band. | 3130 | 0 | ||
| r_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on r-band. | 3131 | 0 | ||
| r_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on r-band. | 3132 | 0 | |
| r_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on r-band. | 3133 | 0 | |
| r_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on r-band. | 3134 | 0 | |
| r_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on r-band. | 3135 | 0 | |
| r_bdFluxD | double | nJy | Flux from the exponential fit. Measured on r-band. | 3136 | 0 | |
| r_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on r-band. | 3137 | 0 | |
| r_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on r-band. | 3138 | 0 | |
| r_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on r-band. | 3139 | 0 | |
| r_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on r-band. | 3140 | 0 | ||
| r_blendedness_flag | boolean | General Failure Flag. Measured on r-band. | 3141 | 0 | ||
| r_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on r-band. | 3142 | 0 | |
| r_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on r-band. | 3143 | 0 | |
| r_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on r-band. | 3144 | 0 | |
| r_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on r-band. | 3145 | 0 | ||
| r_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on r-band. | 3146 | 0 | ||
| r_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on r-band. | 3147 | 0 | |
| r_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on r-band. | 3148 | 0 | |
| r_calibFlux_flag | boolean | General Failure Flag. Measured on r-band. | 3149 | 0 | ||
| r_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on r-band. | 3150 | 0 | ||
| r_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on r-band. | 3151 | 0 | ||
| r_calib_astrometry_used | boolean | Propagated from sources. Measured on r-band. | 3152 | 0 | ||
| r_calib_photometry_reserved | boolean | Propagated from sources. Measured on r-band. | 3153 | 0 | ||
| r_calib_photometry_used | boolean | Propagated from sources. Measured on r-band. | 3154 | 0 | ||
| r_calib_psf_candidate | boolean | Propagated from sources. Measured on r-band. | 3155 | 0 | ||
| r_calib_psf_reserved | boolean | Propagated from sources. Measured on r-band. | 3156 | 0 | ||
| r_calib_psf_used | boolean | Propagated from sources. Measured on r-band. | 3157 | 0 | ||
| r_centroid_flag | boolean | General Failure Flag. Measured on r-band. | 3158 | 0 | ||
| r_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on r-band. | 3159 | 0 | |
| r_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on r-band. | 3160 | 0 | |
| r_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on r-band. | 3161 | 0 | |
| r_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on r-band. | 3162 | 0 | |
| r_decl | double | deg | Position in Declination. Measured on r-band. | pos.eq.dec | 3002 | 0 |
| r_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on r-band. | 3163 | 1 | ||
| r_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on r-band. | 3164 | 0 | ||
| r_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on r-band. | 3165 | 0 | |
| r_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on r-band. | 3166 | 0 | |
| r_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on r-band. | 3167 | 0 | ||
| r_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on r-band. | 3168 | 0 | |
| r_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on r-band. | 3169 | 0 | |
| r_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on r-band. | 3170 | 0 | |
| r_free_psfFlux_flag | boolean | General Failure Flag. Measured on r-band. | 3171 | 0 | ||
| r_fwhm | double | pixel**2 | HSM moments. Measured on r-band. | 3172 | 0 | |
| r_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3173 | 0 | |
| r_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3174 | 0 | |
| r_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3175 | 0 | ||
| r_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3176 | 0 | |
| r_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3177 | 0 | |
| r_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3178 | 0 | ||
| r_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3179 | 0 | |
| r_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3180 | 0 | |
| r_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3181 | 0 | ||
| r_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3182 | 0 | |
| r_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3183 | 0 | |
| r_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3184 | 0 | ||
| r_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3185 | 0 | |
| r_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3186 | 0 | |
| r_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3187 | 0 | ||
| r_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3188 | 0 | |
| r_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on r-band. | 3189 | 0 | |
| r_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3190 | 0 | ||
| r_gaapFlux_flag | boolean | Set for any fatal failure. Forced on r-band. | 3191 | 0 | ||
| r_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on r-band. | 3192 | 0 | ||
| r_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on r-band. | 3193 | 0 | ||
| r_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on r-band. | 3194 | 0 | |
| r_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on r-band. | 3195 | 0 | |
| r_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on r-band. | 3196 | 0 | ||
| r_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on r-band. | 3197 | 0 | |
| r_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on r-band. | 3198 | 0 | |
| r_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band. | 3199 | 0 | ||
| r_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band. | 3200 | 0 | ||
| r_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on r-band. | 3201 | 0 | ||
| r_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band. | 3202 | 0 | ||
| r_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on r-band. | 3203 | 0 | ||
| r_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on r-band. | 3204 | 0 | ||
| r_iRound_flag | double | pixel**2 | HSM moments. Measured on r-band. | 3205 | 0 | |
| r_i_flag | boolean | General failure flag, set if anything went wrong. Measured on r-band. | 3206 | 0 | ||
| r_inputCount | int | Number of images contributing at center, not including any clipping. Forced on r-band. | 3207 | 0 | ||
| r_inputCount_flag | boolean | Set for any fatal failure. Forced on r-band. | 3208 | 0 | ||
| r_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on r-band. | 3209 | 0 | ||
| r_ixx | double | pixel**2 | HSM moments. Measured on r-band. | 3210 | 0 | |
| r_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3211 | 0 | |
| r_ixxPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3212 | 0 | |
| r_ixxRound | double | pixel**2 | HSM moments. Measured on r-band. | 3213 | 0 | |
| r_ixy | double | pixel**2 | HSM moments. Measured on r-band. | 3214 | 0 | |
| r_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3215 | 0 | |
| r_ixyPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3216 | 0 | |
| r_ixyRound | double | pixel**2 | HSM moments. Measured on r-band. | 3217 | 0 | |
| r_iyy | double | pixel**2 | HSM moments. Measured on r-band. | 3218 | 0 | |
| r_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3219 | 0 | |
| r_iyyPSF | double | pixel**2 | HSM moments. Measured on r-band. | 3220 | 0 | |
| r_iyyRound | double | pixel**2 | HSM moments. Measured on r-band. | 3221 | 0 | |
| r_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on r-band. | 3222 | 0 | |
| r_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on r-band. | 3223 | 0 | |
| r_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on r-band. | 3224 | 0 | ||
| r_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on r-band. | 3225 | 0 | ||
| r_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on r-band. | 3226 | 0 | ||
| r_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on r-band. | 3227 | 0 | ||
| r_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on r-band. | 3228 | 0 | ||
| r_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on r-band. | 3229 | 0 | ||
| r_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on r-band. | 3230 | 0 | ||
| r_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on r-band. | 3231 | 0 | ||
| r_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on r-band. | 3232 | 0 | ||
| r_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on r-band. | 3233 | 0 | ||
| r_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on r-band. | 3234 | 0 | |
| r_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on r-band. | 3235 | 0 | ||
| r_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on r-band. | 3236 | 0 | ||
| r_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on r-band. | 3237 | 0 | ||
| r_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on r-band. | 3238 | 0 | ||
| r_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on r-band. | 3239 | 0 | ||
| r_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on r-band. | 3240 | 0 | ||
| r_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on r-band. | 3241 | 0 | ||
| r_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on r-band. | 3242 | 0 | ||
| r_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on r-band. | 3243 | 0 | ||
| r_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on r-band. | 3244 | 0 | ||
| r_pixelFlags_offimage | boolean | Source center is off image. Measured on r-band. | 3245 | 0 | ||
| r_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on r-band. | 3246 | 0 | ||
| r_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on r-band. | 3247 | 0 | ||
| r_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on r-band. | 3248 | 0 | ||
| r_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on r-band. | 3249 | 0 | ||
| r_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on r-band. | 3250 | 0 | ||
| r_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on r-band. | 3251 | 0 | ||
| r_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on r-band. | 3252 | 1 | |
| r_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on r-band. | 3253 | 1 | |
| r_psfFlux_area | float | pixel | Effective area of PSF. Forced on r-band. | 3254 | 0 | |
| r_psfFlux_flag | boolean | General Failure Flag. Forced on r-band. | 3255 | 0 | ||
| r_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on r-band. | 3256 | 0 | ||
| r_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on r-band. | 3257 | 0 | ||
| r_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on r-band. | 3258 | 0 | ||
| r_ra | double | deg | Position in Right Ascension. Measured on r-band. | pos.eq.ra | 3001 | 0 |
| u_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on u-band. | 1101 | 0 | |
| u_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on u-band. | 1102 | 0 | |
| u_ap03Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1103 | 0 | ||
| u_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on u-band. | 1104 | 0 | |
| u_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on u-band. | 1105 | 0 | |
| u_ap06Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1106 | 0 | ||
| u_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on u-band. | 1107 | 0 | |
| u_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on u-band. | 1108 | 0 | |
| u_ap09Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1109 | 0 | ||
| u_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on u-band. | 1110 | 0 | |
| u_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on u-band. | 1111 | 0 | |
| u_ap12Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1112 | 0 | ||
| u_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on u-band. | 1113 | 0 | |
| u_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on u-band. | 1114 | 0 | |
| u_ap17Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1115 | 0 | ||
| u_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on u-band. | 1116 | 0 | |
| u_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on u-band. | 1117 | 0 | |
| u_ap25Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1118 | 0 | ||
| u_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on u-band. | 1119 | 0 | |
| u_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on u-band. | 1120 | 0 | |
| u_ap35Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1121 | 0 | ||
| u_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on u-band. | 1122 | 0 | |
| u_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on u-band. | 1123 | 0 | |
| u_ap50Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1124 | 0 | ||
| u_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on u-band. | 1125 | 0 | |
| u_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on u-band. | 1126 | 0 | |
| u_ap70Flux_flag | boolean | General Failure Flag. Forced on u-band. | 1127 | 0 | ||
| u_apFlux_flag | boolean | General Failure Flag. Measured on u-band. | 1128 | 0 | ||
| u_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on u-band. | 1129 | 0 | ||
| u_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on u-band. | 1130 | 0 | ||
| u_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on u-band. | 1131 | 0 | ||
| u_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on u-band. | 1132 | 0 | |
| u_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on u-band. | 1133 | 0 | |
| u_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on u-band. | 1134 | 0 | |
| u_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on u-band. | 1135 | 0 | |
| u_bdFluxD | double | nJy | Flux from the exponential fit. Measured on u-band. | 1136 | 0 | |
| u_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on u-band. | 1137 | 0 | |
| u_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on u-band. | 1138 | 0 | |
| u_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on u-band. | 1139 | 0 | |
| u_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on u-band. | 1140 | 0 | ||
| u_blendedness_flag | boolean | General Failure Flag. Measured on u-band. | 1141 | 0 | ||
| u_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on u-band. | 1142 | 0 | |
| u_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on u-band. | 1143 | 0 | |
| u_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on u-band. | 1144 | 0 | |
| u_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on u-band. | 1145 | 0 | ||
| u_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on u-band. | 1146 | 0 | ||
| u_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on u-band. | 1147 | 0 | |
| u_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on u-band. | 1148 | 0 | |
| u_calibFlux_flag | boolean | General Failure Flag. Measured on u-band. | 1149 | 0 | ||
| u_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on u-band. | 1150 | 0 | ||
| u_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on u-band. | 1151 | 0 | ||
| u_calib_astrometry_used | boolean | Propagated from sources. Measured on u-band. | 1152 | 0 | ||
| u_calib_photometry_reserved | boolean | Propagated from sources. Measured on u-band. | 1153 | 0 | ||
| u_calib_photometry_used | boolean | Propagated from sources. Measured on u-band. | 1154 | 0 | ||
| u_calib_psf_candidate | boolean | Propagated from sources. Measured on u-band. | 1155 | 0 | ||
| u_calib_psf_reserved | boolean | Propagated from sources. Measured on u-band. | 1156 | 0 | ||
| u_calib_psf_used | boolean | Propagated from sources. Measured on u-band. | 1157 | 0 | ||
| u_centroid_flag | boolean | General Failure Flag. Measured on u-band. | 1158 | 0 | ||
| u_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on u-band. | 1159 | 0 | |
| u_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on u-band. | 1160 | 0 | |
| u_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on u-band. | 1161 | 0 | |
| u_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on u-band. | 1162 | 0 | |
| u_decl | double | deg | Position in Declination. Measured on u-band. | pos.eq.dec | 1002 | 0 |
| u_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on u-band. | 1163 | 1 | ||
| u_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on u-band. | 1164 | 0 | ||
| u_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on u-band. | 1165 | 0 | |
| u_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on u-band. | 1166 | 0 | |
| u_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on u-band. | 1167 | 0 | ||
| u_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on u-band. | 1168 | 0 | |
| u_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on u-band. | 1169 | 0 | |
| u_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on u-band. | 1170 | 0 | |
| u_free_psfFlux_flag | boolean | General Failure Flag. Measured on u-band. | 1171 | 0 | ||
| u_fwhm | double | pixel**2 | HSM moments. Measured on u-band. | 1172 | 0 | |
| u_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1173 | 0 | |
| u_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1174 | 0 | |
| u_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1175 | 0 | ||
| u_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1176 | 0 | |
| u_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1177 | 0 | |
| u_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1178 | 0 | ||
| u_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1179 | 0 | |
| u_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1180 | 0 | |
| u_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1181 | 0 | ||
| u_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1182 | 0 | |
| u_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1183 | 0 | |
| u_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1184 | 0 | ||
| u_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1185 | 0 | |
| u_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1186 | 0 | |
| u_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1187 | 0 | ||
| u_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1188 | 0 | |
| u_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on u-band. | 1189 | 0 | |
| u_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1190 | 0 | ||
| u_gaapFlux_flag | boolean | Set for any fatal failure. Forced on u-band. | 1191 | 0 | ||
| u_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on u-band. | 1192 | 0 | ||
| u_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on u-band. | 1193 | 0 | ||
| u_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on u-band. | 1194 | 0 | |
| u_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on u-band. | 1195 | 0 | |
| u_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on u-band. | 1196 | 0 | ||
| u_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on u-band. | 1197 | 0 | |
| u_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on u-band. | 1198 | 0 | |
| u_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band. | 1199 | 0 | ||
| u_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band. | 1200 | 0 | ||
| u_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on u-band. | 1201 | 0 | ||
| u_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band. | 1202 | 0 | ||
| u_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on u-band. | 1203 | 0 | ||
| u_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on u-band. | 1204 | 0 | ||
| u_iRound_flag | double | pixel**2 | HSM moments. Measured on u-band. | 1205 | 0 | |
| u_i_flag | boolean | General failure flag, set if anything went wrong. Measured on u-band. | 1206 | 0 | ||
| u_inputCount | int | Number of images contributing at center, not including any clipping. Forced on u-band. | 1207 | 0 | ||
| u_inputCount_flag | boolean | Set for any fatal failure. Forced on u-band. | 1208 | 0 | ||
| u_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on u-band. | 1209 | 0 | ||
| u_ixx | double | pixel**2 | HSM moments. Measured on u-band. | 1210 | 0 | |
| u_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1211 | 0 | |
| u_ixxPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1212 | 0 | |
| u_ixxRound | double | pixel**2 | HSM moments. Measured on u-band. | 1213 | 0 | |
| u_ixy | double | pixel**2 | HSM moments. Measured on u-band. | 1214 | 0 | |
| u_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1215 | 0 | |
| u_ixyPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1216 | 0 | |
| u_ixyRound | double | pixel**2 | HSM moments. Measured on u-band. | 1217 | 0 | |
| u_iyy | double | pixel**2 | HSM moments. Measured on u-band. | 1218 | 0 | |
| u_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1219 | 0 | |
| u_iyyPSF | double | pixel**2 | HSM moments. Measured on u-band. | 1220 | 0 | |
| u_iyyRound | double | pixel**2 | HSM moments. Measured on u-band. | 1221 | 0 | |
| u_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on u-band. | 1222 | 0 | |
| u_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on u-band. | 1223 | 0 | |
| u_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on u-band. | 1224 | 0 | ||
| u_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on u-band. | 1225 | 0 | ||
| u_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on u-band. | 1226 | 0 | ||
| u_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on u-band. | 1227 | 0 | ||
| u_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on u-band. | 1228 | 0 | ||
| u_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on u-band. | 1229 | 0 | ||
| u_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on u-band. | 1230 | 0 | ||
| u_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on u-band. | 1231 | 0 | ||
| u_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on u-band. | 1232 | 0 | ||
| u_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on u-band. | 1233 | 0 | ||
| u_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on u-band. | 1234 | 0 | |
| u_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on u-band. | 1235 | 0 | ||
| u_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on u-band. | 1236 | 0 | ||
| u_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on u-band. | 1237 | 0 | ||
| u_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on u-band. | 1238 | 0 | ||
| u_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on u-band. | 1239 | 0 | ||
| u_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on u-band. | 1240 | 0 | ||
| u_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on u-band. | 1241 | 0 | ||
| u_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on u-band. | 1242 | 0 | ||
| u_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on u-band. | 1243 | 0 | ||
| u_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on u-band. | 1244 | 0 | ||
| u_pixelFlags_offimage | boolean | Source center is off image. Measured on u-band. | 1245 | 0 | ||
| u_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on u-band. | 1246 | 0 | ||
| u_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on u-band. | 1247 | 0 | ||
| u_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on u-band. | 1248 | 0 | ||
| u_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on u-band. | 1249 | 0 | ||
| u_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on u-band. | 1250 | 0 | ||
| u_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on u-band. | 1251 | 0 | ||
| u_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on u-band. | 1252 | 1 | |
| u_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on u-band. | 1253 | 1 | |
| u_psfFlux_area | float | pixel | Effective area of PSF. Forced on u-band. | 1254 | 0 | |
| u_psfFlux_flag | boolean | General Failure Flag. Forced on u-band. | 1255 | 0 | ||
| u_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on u-band. | 1256 | 0 | ||
| u_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on u-band. | 1257 | 0 | ||
| u_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on u-band. | 1258 | 0 | ||
| u_ra | double | deg | Position in Right Ascension. Measured on u-band. | pos.eq.ra | 1001 | 0 |
| y_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on y-band. | 6101 | 0 | |
| y_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on y-band. | 6102 | 0 | |
| y_ap03Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6103 | 0 | ||
| y_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on y-band. | 6104 | 0 | |
| y_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on y-band. | 6105 | 0 | |
| y_ap06Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6106 | 0 | ||
| y_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on y-band. | 6107 | 0 | |
| y_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on y-band. | 6108 | 0 | |
| y_ap09Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6109 | 0 | ||
| y_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on y-band. | 6110 | 0 | |
| y_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on y-band. | 6111 | 0 | |
| y_ap12Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6112 | 0 | ||
| y_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on y-band. | 6113 | 0 | |
| y_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on y-band. | 6114 | 0 | |
| y_ap17Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6115 | 0 | ||
| y_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on y-band. | 6116 | 0 | |
| y_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on y-band. | 6117 | 0 | |
| y_ap25Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6118 | 0 | ||
| y_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on y-band. | 6119 | 0 | |
| y_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on y-band. | 6120 | 0 | |
| y_ap35Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6121 | 0 | ||
| y_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on y-band. | 6122 | 0 | |
| y_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on y-band. | 6123 | 0 | |
| y_ap50Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6124 | 0 | ||
| y_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on y-band. | 6125 | 0 | |
| y_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on y-band. | 6126 | 0 | |
| y_ap70Flux_flag | boolean | General Failure Flag. Forced on y-band. | 6127 | 0 | ||
| y_apFlux_flag | boolean | General Failure Flag. Measured on y-band. | 6128 | 0 | ||
| y_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on y-band. | 6129 | 0 | ||
| y_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on y-band. | 6130 | 0 | ||
| y_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on y-band. | 6131 | 0 | ||
| y_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on y-band. | 6132 | 0 | |
| y_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on y-band. | 6133 | 0 | |
| y_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on y-band. | 6134 | 0 | |
| y_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on y-band. | 6135 | 0 | |
| y_bdFluxD | double | nJy | Flux from the exponential fit. Measured on y-band. | 6136 | 0 | |
| y_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on y-band. | 6137 | 0 | |
| y_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on y-band. | 6138 | 0 | |
| y_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on y-band. | 6139 | 0 | |
| y_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on y-band. | 6140 | 0 | ||
| y_blendedness_flag | boolean | General Failure Flag. Measured on y-band. | 6141 | 0 | ||
| y_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on y-band. | 6142 | 0 | |
| y_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on y-band. | 6143 | 0 | |
| y_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on y-band. | 6144 | 0 | |
| y_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on y-band. | 6145 | 0 | ||
| y_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on y-band. | 6146 | 0 | ||
| y_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on y-band. | 6147 | 0 | |
| y_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on y-band. | 6148 | 0 | |
| y_calibFlux_flag | boolean | General Failure Flag. Measured on y-band. | 6149 | 0 | ||
| y_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on y-band. | 6150 | 0 | ||
| y_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on y-band. | 6151 | 0 | ||
| y_calib_astrometry_used | boolean | Propagated from sources. Measured on y-band. | 6152 | 0 | ||
| y_calib_photometry_reserved | boolean | Propagated from sources. Measured on y-band. | 6153 | 0 | ||
| y_calib_photometry_used | boolean | Propagated from sources. Measured on y-band. | 6154 | 0 | ||
| y_calib_psf_candidate | boolean | Propagated from sources. Measured on y-band. | 6155 | 0 | ||
| y_calib_psf_reserved | boolean | Propagated from sources. Measured on y-band. | 6156 | 0 | ||
| y_calib_psf_used | boolean | Propagated from sources. Measured on y-band. | 6157 | 0 | ||
| y_centroid_flag | boolean | General Failure Flag. Measured on y-band. | 6158 | 0 | ||
| y_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on y-band. | 6159 | 0 | |
| y_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on y-band. | 6160 | 0 | |
| y_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on y-band. | 6161 | 0 | |
| y_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on y-band. | 6162 | 0 | |
| y_decl | double | deg | Position in Declination. Measured on y-band. | pos.eq.dec | 6002 | 0 |
| y_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on y-band. | 6163 | 1 | ||
| y_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on y-band. | 6164 | 0 | ||
| y_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on y-band. | 6165 | 0 | |
| y_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on y-band. | 6166 | 0 | |
| y_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on y-band. | 6167 | 0 | ||
| y_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on y-band. | 6168 | 0 | |
| y_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on y-band. | 6169 | 0 | |
| y_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on y-band. | 6170 | 0 | |
| y_free_psfFlux_flag | boolean | General Failure Flag. Measured on y-band. | 6171 | 0 | ||
| y_fwhm | double | pixel**2 | HSM moments. Measured on y-band. | 6172 | 0 | |
| y_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6173 | 0 | |
| y_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6174 | 0 | |
| y_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6175 | 0 | ||
| y_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6176 | 0 | |
| y_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6177 | 0 | |
| y_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6178 | 0 | ||
| y_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6179 | 0 | |
| y_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6180 | 0 | |
| y_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6181 | 0 | ||
| y_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6182 | 0 | |
| y_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6183 | 0 | |
| y_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6184 | 0 | ||
| y_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6185 | 0 | |
| y_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6186 | 0 | |
| y_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6187 | 0 | ||
| y_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6188 | 0 | |
| y_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on y-band. | 6189 | 0 | |
| y_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6190 | 0 | ||
| y_gaapFlux_flag | boolean | Set for any fatal failure. Forced on y-band. | 6191 | 0 | ||
| y_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on y-band. | 6192 | 0 | ||
| y_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on y-band. | 6193 | 0 | ||
| y_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on y-band. | 6194 | 0 | |
| y_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on y-band. | 6195 | 0 | |
| y_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on y-band. | 6196 | 0 | ||
| y_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on y-band. | 6197 | 0 | |
| y_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on y-band. | 6198 | 0 | |
| y_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band. | 6199 | 0 | ||
| y_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band. | 6200 | 0 | ||
| y_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on y-band. | 6201 | 0 | ||
| y_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band. | 6202 | 0 | ||
| y_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on y-band. | 6203 | 0 | ||
| y_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on y-band. | 6204 | 0 | ||
| y_iRound_flag | double | pixel**2 | HSM moments. Measured on y-band. | 6205 | 0 | |
| y_i_flag | boolean | General failure flag, set if anything went wrong. Measured on y-band. | 6206 | 0 | ||
| y_inputCount | int | Number of images contributing at center, not including any clipping. Forced on y-band. | 6207 | 0 | ||
| y_inputCount_flag | boolean | Set for any fatal failure. Forced on y-band. | 6208 | 0 | ||
| y_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on y-band. | 6209 | 0 | ||
| y_ixx | double | pixel**2 | HSM moments. Measured on y-band. | 6210 | 0 | |
| y_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6211 | 0 | |
| y_ixxPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6212 | 0 | |
| y_ixxRound | double | pixel**2 | HSM moments. Measured on y-band. | 6213 | 0 | |
| y_ixy | double | pixel**2 | HSM moments. Measured on y-band. | 6214 | 0 | |
| y_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6215 | 0 | |
| y_ixyPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6216 | 0 | |
| y_ixyRound | double | pixel**2 | HSM moments. Measured on y-band. | 6217 | 0 | |
| y_iyy | double | pixel**2 | HSM moments. Measured on y-band. | 6218 | 0 | |
| y_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6219 | 0 | |
| y_iyyPSF | double | pixel**2 | HSM moments. Measured on y-band. | 6220 | 0 | |
| y_iyyRound | double | pixel**2 | HSM moments. Measured on y-band. | 6221 | 0 | |
| y_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on y-band. | 6222 | 0 | |
| y_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on y-band. | 6223 | 0 | |
| y_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on y-band. | 6224 | 0 | ||
| y_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on y-band. | 6225 | 0 | ||
| y_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on y-band. | 6226 | 0 | ||
| y_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on y-band. | 6227 | 0 | ||
| y_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on y-band. | 6228 | 0 | ||
| y_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on y-band. | 6229 | 0 | ||
| y_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on y-band. | 6230 | 0 | ||
| y_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on y-band. | 6231 | 0 | ||
| y_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on y-band. | 6232 | 0 | ||
| y_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on y-band. | 6233 | 0 | ||
| y_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on y-band. | 6234 | 0 | |
| y_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on y-band. | 6235 | 0 | ||
| y_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on y-band. | 6236 | 0 | ||
| y_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on y-band. | 6237 | 0 | ||
| y_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on y-band. | 6238 | 0 | ||
| y_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on y-band. | 6239 | 0 | ||
| y_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on y-band. | 6240 | 0 | ||
| y_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on y-band. | 6241 | 0 | ||
| y_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on y-band. | 6242 | 0 | ||
| y_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on y-band. | 6243 | 0 | ||
| y_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on y-band. | 6244 | 0 | ||
| y_pixelFlags_offimage | boolean | Source center is off image. Measured on y-band. | 6245 | 0 | ||
| y_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on y-band. | 6246 | 0 | ||
| y_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on y-band. | 6247 | 0 | ||
| y_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on y-band. | 6248 | 0 | ||
| y_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on y-band. | 6249 | 0 | ||
| y_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on y-band. | 6250 | 0 | ||
| y_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on y-band. | 6251 | 0 | ||
| y_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on y-band. | 6252 | 1 | |
| y_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on y-band. | 6253 | 1 | |
| y_psfFlux_area | float | pixel | Effective area of PSF. Forced on y-band. | 6254 | 0 | |
| y_psfFlux_flag | boolean | General Failure Flag. Forced on y-band. | 6255 | 0 | ||
| y_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on y-band. | 6256 | 0 | ||
| y_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on y-band. | 6257 | 0 | ||
| y_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on y-band. | 6258 | 0 | ||
| y_ra | double | deg | Position in Right Ascension. Measured on y-band. | pos.eq.ra | 6001 | 0 |
| z_ap03Flux | double | nJy | Flux within 3.0-pixel aperture. Forced on z-band. | 5101 | 0 | |
| z_ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture. Forced on z-band. | 5102 | 0 | |
| z_ap03Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5103 | 0 | ||
| z_ap06Flux | double | nJy | Flux within 6.0-pixel aperture. Forced on z-band. | 5104 | 0 | |
| z_ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture. Forced on z-band. | 5105 | 0 | |
| z_ap06Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5106 | 0 | ||
| z_ap09Flux | double | nJy | Flux within 9.0-pixel aperture. Forced on z-band. | 5107 | 0 | |
| z_ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture. Forced on z-band. | 5108 | 0 | |
| z_ap09Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5109 | 0 | ||
| z_ap12Flux | double | nJy | Flux within 12.0-pixel aperture. Forced on z-band. | 5110 | 0 | |
| z_ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Forced on z-band. | 5111 | 0 | |
| z_ap12Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5112 | 0 | ||
| z_ap17Flux | double | nJy | Flux within 17.0-pixel aperture. Forced on z-band. | 5113 | 0 | |
| z_ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture. Forced on z-band. | 5114 | 0 | |
| z_ap17Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5115 | 0 | ||
| z_ap25Flux | double | nJy | Flux within 25.0-pixel aperture. Forced on z-band. | 5116 | 0 | |
| z_ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture. Forced on z-band. | 5117 | 0 | |
| z_ap25Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5118 | 0 | ||
| z_ap35Flux | double | nJy | Flux within 35.0-pixel aperture. Forced on z-band. | 5119 | 0 | |
| z_ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture. Forced on z-band. | 5120 | 0 | |
| z_ap35Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5121 | 0 | ||
| z_ap50Flux | double | nJy | Flux within 50.0-pixel aperture. Forced on z-band. | 5122 | 0 | |
| z_ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture. Forced on z-band. | 5123 | 0 | |
| z_ap50Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5124 | 0 | ||
| z_ap70Flux | double | nJy | Flux within 70.0-pixel aperture. Forced on z-band. | 5125 | 0 | |
| z_ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture. Forced on z-band. | 5126 | 0 | |
| z_ap70Flux_flag | boolean | General Failure Flag. Forced on z-band. | 5127 | 0 | ||
| z_apFlux_flag | boolean | General Failure Flag. Measured on z-band. | 5128 | 0 | ||
| z_apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on z-band. | 5129 | 0 | ||
| z_apFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on z-band. | 5130 | 0 | ||
| z_bdChi2 | double | -ln(likelihood) (chi^2) in cmodel fit. Measured on z-band. | 5131 | 0 | ||
| z_bdE1 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on z-band. | 5132 | 0 | |
| z_bdE2 | double | pixel**2 | FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on z-band. | 5133 | 0 | |
| z_bdFluxB | double | nJy | Flux from the de Vaucouleurs fit. Measured on z-band. | 5134 | 0 | |
| z_bdFluxBErr | double | nJy | Flux uncertainty from the de Vaucouleurs fit. Measured on z-band. | 5135 | 0 | |
| z_bdFluxD | double | nJy | Flux from the exponential fit. Measured on z-band. | 5136 | 0 | |
| z_bdFluxDErr | double | nJy | Flux uncertainty from the exponential fit. Measured on z-band. | 5137 | 0 | |
| z_bdReB | double | pixel**2 | Half-light ellipse of the de Vaucouleurs fit. Measured on z-band. | 5138 | 0 | |
| z_bdReD | double | pixel**2 | Half-light ellipse of the exponential fit. Measured on z-band. | 5139 | 0 | |
| z_blendedness | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. Measured on z-band. | 5140 | 0 | ||
| z_blendedness_flag | boolean | General Failure Flag. Measured on z-band. | 5141 | 0 | ||
| z_cModelFlux | double | nJy | Flux from the final cmodel fit. Forced on z-band. | 5142 | 0 | |
| z_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Forced on z-band. | 5143 | 0 | |
| z_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Forced on z-band. | 5144 | 0 | |
| z_cModel_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Forced on z-band. | 5145 | 0 | ||
| z_cModel_flag_apCorr | boolean | Set if unable to aperture correct modelfit_CModel. Forced on z-band. | 5146 | 0 | ||
| z_calibFlux | double | nJy | Flux within 12.0-pixel aperture. Measured on z-band. | 5147 | 0 | |
| z_calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture. Measured on z-band. | 5148 | 0 | |
| z_calibFlux_flag | boolean | General Failure Flag. Measured on z-band. | 5149 | 0 | ||
| z_calibFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image. Measured on z-band. | 5150 | 0 | ||
| z_calibFlux_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image. Measured on z-band. | 5151 | 0 | ||
| z_calib_astrometry_used | boolean | Propagated from sources. Measured on z-band. | 5152 | 0 | ||
| z_calib_photometry_reserved | boolean | Propagated from sources. Measured on z-band. | 5153 | 0 | ||
| z_calib_photometry_used | boolean | Propagated from sources. Measured on z-band. | 5154 | 0 | ||
| z_calib_psf_candidate | boolean | Propagated from sources. Measured on z-band. | 5155 | 0 | ||
| z_calib_psf_reserved | boolean | Propagated from sources. Measured on z-band. | 5156 | 0 | ||
| z_calib_psf_used | boolean | Propagated from sources. Measured on z-band. | 5157 | 0 | ||
| z_centroid_flag | boolean | General Failure Flag. Measured on z-band. | 5158 | 0 | ||
| z_centroid_x | double | pixel | Centroid from SDSS Centroid algorithm. Measured on z-band. | 5159 | 0 | |
| z_centroid_xErr | float | pixel | 1-sigma uncertainty on x position. Measured on z-band. | 5160 | 0 | |
| z_centroid_y | double | pixel | Centroid from SDSS Centroid algorithm. Measured on z-band. | 5161 | 0 | |
| z_centroid_yErr | float | pixel | 1-sigma uncertainty on y position. Measured on z-band. | 5162 | 0 | |
| z_decl | double | deg | Position in Declination. Measured on z-band. | pos.eq.dec | 5002 | 0 |
| z_extendedness | double | Set to 1 for extended sources, 0 for point sources. Measured on z-band. | 5163 | 1 | ||
| z_extendedness_flag | boolean | Set to 1 for any fatal failure. Measured on z-band. | 5164 | 0 | ||
| z_free_cModelFlux | double | nJy | Flux from the final cmodel fit. Measured on z-band. | 5165 | 0 | |
| z_free_cModelFluxErr | double | nJy | Flux uncertainty from the final cmodel fit. Measured on z-band. | 5166 | 0 | |
| z_free_cModelFlux_flag | boolean | Flag set if the final cmodel fit (or any previous fit) failed. Measured on z-band. | 5167 | 0 | ||
| z_free_cModelFlux_inner | double | nJy | Flux within the fit region, with no extrapolation. Measured on z-band. | 5168 | 0 | |
| z_free_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Measured on z-band. | 5169 | 0 | |
| z_free_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Measured on z-band. | 5170 | 0 | |
| z_free_psfFlux_flag | boolean | General Failure Flag. Measured on z-band. | 5171 | 0 | ||
| z_fwhm | double | pixel**2 | HSM moments. Measured on z-band. | 5172 | 0 | |
| z_gaap0p5Flux | double | nJy | GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5173 | 0 | |
| z_gaap0p5FluxErr | double | nJy | GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5174 | 0 | |
| z_gaap0p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5175 | 0 | ||
| z_gaap0p7Flux | double | nJy | GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5176 | 0 | |
| z_gaap0p7FluxErr | double | nJy | GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5177 | 0 | |
| z_gaap0p7Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5178 | 0 | ||
| z_gaap1p0Flux | double | nJy | GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5179 | 0 | |
| z_gaap1p0FluxErr | double | nJy | GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5180 | 0 | |
| z_gaap1p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5181 | 0 | ||
| z_gaap1p5Flux | double | nJy | GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5182 | 0 | |
| z_gaap1p5FluxErr | double | nJy | GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5183 | 0 | |
| z_gaap1p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5184 | 0 | ||
| z_gaap2p5Flux | double | nJy | GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5185 | 0 | |
| z_gaap2p5FluxErr | double | nJy | GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5186 | 0 | |
| z_gaap2p5Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5187 | 0 | ||
| z_gaap3p0Flux | double | nJy | GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5188 | 0 | |
| z_gaap3p0FluxErr | double | nJy | GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on z-band. | 5189 | 0 | |
| z_gaap3p0Flux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5190 | 0 | ||
| z_gaapFlux_flag | boolean | Set for any fatal failure. Forced on z-band. | 5191 | 0 | ||
| z_gaapFlux_flag_edge | boolean | Source is too close to the edge. Forced on z-band. | 5192 | 0 | ||
| z_gaapFlux_flag_gaussianization | boolean | PSF Gaussianization failed when trying to scale by this factor. Forced on z-band. | 5193 | 0 | ||
| z_gaapOptimalFlux | double | nJy | GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on z-band. | 5194 | 0 | |
| z_gaapOptimalFluxErr | double | nJy | GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on z-band. | 5195 | 0 | |
| z_gaapOptimalFlux_flag_bigPsf | boolean | The Gaussianized PSF is bigger than the aperture. Forced on z-band. | 5196 | 0 | ||
| z_gaapPsfFlux | double | nJy | GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on z-band. | 5197 | 0 | |
| z_gaapPsfFluxErr | double | nJy | GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on z-band. | 5198 | 0 | |
| z_hsmShapeRegauss_e1 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band. | 5199 | 0 | ||
| z_hsmShapeRegauss_e2 | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band. | 5200 | 0 | ||
| z_hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong. Measured on z-band. | 5201 | 0 | ||
| z_hsmShapeRegauss_sigma | double | PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band. | 5202 | 0 | ||
| z_iDebiasedPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on z-band. | 5203 | 0 | ||
| z_iPSF_flag | boolean | General failure flag, set if anything went wrong. Measured on z-band. | 5204 | 0 | ||
| z_iRound_flag | double | pixel**2 | HSM moments. Measured on z-band. | 5205 | 0 | |
| z_i_flag | boolean | General failure flag, set if anything went wrong. Measured on z-band. | 5206 | 0 | ||
| z_inputCount | int | Number of images contributing at center, not including any clipping. Forced on z-band. | 5207 | 0 | ||
| z_inputCount_flag | boolean | Set for any fatal failure. Forced on z-band. | 5208 | 0 | ||
| z_inputCount_flag_noInputs | boolean | No coadd inputs available. Forced on z-band. | 5209 | 0 | ||
| z_ixx | double | pixel**2 | HSM moments. Measured on z-band. | 5210 | 0 | |
| z_ixxDebiasedPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5211 | 0 | |
| z_ixxPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5212 | 0 | |
| z_ixxRound | double | pixel**2 | HSM moments. Measured on z-band. | 5213 | 0 | |
| z_ixy | double | pixel**2 | HSM moments. Measured on z-band. | 5214 | 0 | |
| z_ixyDebiasedPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5215 | 0 | |
| z_ixyPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5216 | 0 | |
| z_ixyRound | double | pixel**2 | HSM moments. Measured on z-band. | 5217 | 0 | |
| z_iyy | double | pixel**2 | HSM moments. Measured on z-band. | 5218 | 0 | |
| z_iyyDebiasedPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5219 | 0 | |
| z_iyyPSF | double | pixel**2 | HSM moments. Measured on z-band. | 5220 | 0 | |
| z_iyyRound | double | pixel**2 | HSM moments. Measured on z-band. | 5221 | 0 | |
| z_kronFlux | double | nJy | Flux from Kron Flux algorithm. Measured on z-band. | 5222 | 0 | |
| z_kronFluxErr | double | nJy | Flux uncertainty from Kron Flux algorithm. Measured on z-band. | 5223 | 0 | |
| z_kronFlux_flag | boolean | General failure flag, set if anything went wrong. Measured on z-band. | 5224 | 0 | ||
| z_kronFlux_flag_bad_radius | boolean | Bad Kron radius. Measured on z-band. | 5225 | 0 | ||
| z_kronFlux_flag_bad_shape | boolean | Shape for measuring Kron radius is bad; used PSF shape. Measured on z-band. | 5226 | 0 | ||
| z_kronFlux_flag_bad_shape_no_psf | boolean | Bad shape and no PSF. Measured on z-band. | 5227 | 0 | ||
| z_kronFlux_flag_edge | boolean | Bad measurement due to image edge. Measured on z-band. | 5228 | 0 | ||
| z_kronFlux_flag_no_fallback_radius | boolean | No minimum radius and no PSF provided. Measured on z-band. | 5229 | 0 | ||
| z_kronFlux_flag_no_minimum_radius | boolean | Minimum radius could not be enforced, no minimum value or PSF. Measured on z-band. | 5230 | 0 | ||
| z_kronFlux_flag_small_radius | boolean | Measured Kron radius was smaller than that of the PSF. Measured on z-band. | 5231 | 0 | ||
| z_kronFlux_flag_used_minimum_radius | boolean | Used the minimum radius for the Kron aperture. Measured on z-band. | 5232 | 0 | ||
| z_kronFlux_flag_used_psf_radius | boolean | Used the PSF Kron radius for the Kron aperture. Measured on z-band. | 5233 | 0 | ||
| z_kronRad | float | pixel | Kron radius (sqrt(a*b)). Measured on z-band. | 5234 | 0 | |
| z_pixelFlags_bad | boolean | Bad pixel in the Source footprint. Measured on z-band. | 5235 | 0 | ||
| z_pixelFlags_clipped | boolean | Source footprint includes CLIPPED pixels. Measured on z-band. | 5236 | 0 | ||
| z_pixelFlags_clippedCenter | boolean | Source center is close to CLIPPED pixels. Measured on z-band. | 5237 | 0 | ||
| z_pixelFlags_cr | boolean | Cosmic ray in the Source footprint. Measured on z-band. | 5238 | 0 | ||
| z_pixelFlags_crCenter | boolean | Cosmic ray in the Source center. Measured on z-band. | 5239 | 0 | ||
| z_pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on z-band. | 5240 | 0 | ||
| z_pixelFlags_inexact_psf | boolean | Source footprint includes INEXACT_PSF pixels. Measured on z-band. | 5241 | 0 | ||
| z_pixelFlags_inexact_psfCenter | boolean | Source center is close to INEXACT_PSF pixels. Measured on z-band. | 5242 | 0 | ||
| z_pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint. Measured on z-band. | 5243 | 0 | ||
| z_pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center. Measured on z-band. | 5244 | 0 | ||
| z_pixelFlags_offimage | boolean | Source center is off image. Measured on z-band. | 5245 | 0 | ||
| z_pixelFlags_saturated | boolean | Saturated pixel in the Source footprint. Measured on z-band. | 5246 | 0 | ||
| z_pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center. Measured on z-band. | 5247 | 0 | ||
| z_pixelFlags_sensor_edge | boolean | Source footprint includes SENSOR_EDGE pixels. Measured on z-band. | 5248 | 0 | ||
| z_pixelFlags_sensor_edgeCenter | boolean | Source center is close to SENSOR_EDGE pixels. Measured on z-band. | 5249 | 0 | ||
| z_pixelFlags_suspect | boolean | Source's footprint includes suspect pixels. Measured on z-band. | 5250 | 0 | ||
| z_pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels. Measured on z-band. | 5251 | 0 | ||
| z_psfFlux | double | nJy | Flux derived from linear least-squares fit of PSF model. Forced on z-band. | 5252 | 1 | |
| z_psfFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model. Forced on z-band. | 5253 | 1 | |
| z_psfFlux_area | float | pixel | Effective area of PSF. Forced on z-band. | 5254 | 0 | |
| z_psfFlux_flag | boolean | General Failure Flag. Forced on z-band. | 5255 | 0 | ||
| z_psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux. Forced on z-band. | 5256 | 0 | ||
| z_psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model. Forced on z-band. | 5257 | 0 | ||
| z_psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit. Forced on z-band. | 5258 | 0 | ||
| z_ra | double | deg | Position in Right Ascension. Measured on z-band. | pos.eq.ra | 5001 | 0 |
Source
Properties of detections on the single-epoch visit images, performed independently of the Object detections on coadded images.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| sourceId | long | Unique id. Unique Source ID. Primary Key. | meta.id;src;meta.main | |||
| coord_ra | double | deg | Fiducial ICRS Right Ascension of centroid used for database indexing | pos.eq.ra;meta.main | ||
| coord_dec | double | deg | Fiducial ICRS Declination of centroid used for database indexing | pos.eq.dec;meta.main | ||
| ccdVisitId | long | Unique ID of CCD and visit where this source was detected and measured. Primary Key of the CcdVisit Table. | meta.id;obs.image | |||
| parentSourceId | long | Unique ID of parent source | meta.id.parent | |||
| x | double | pixel | Centroid from SDSS Centroid algorithm | |||
| y | double | pixel | Centroid from SDSS Centroid algorithm | |||
| xErr | float | pixel | 1-sigma uncertainty on x position | |||
| yErr | float | pixel | 1-sigma uncertainty on y position | |||
| ra | double | deg | Position in Right Ascension | pos.eq.ra | ||
| decl | double | deg | Position in Declination | pos.eq.dec | ||
| calibFlux | double | nJy | Flux within 12.0-pixel aperture | |||
| calibFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture | |||
| ap03Flux | double | nJy | Flux within 3.0-pixel aperture | |||
| ap03FluxErr | double | nJy | Flux uncertainty within 3.0-pixel aperture | |||
| ap03Flux_flag | boolean | General Failure Flag | ||||
| ap06Flux | double | nJy | Flux within 6.0-pixel aperture | |||
| ap06FluxErr | double | nJy | Flux uncertainty within 6.0-pixel aperture | |||
| ap06Flux_flag | boolean | General Failure Flag | ||||
| ap09Flux | double | nJy | Flux within 9.0-pixel aperture | |||
| ap09FluxErr | double | nJy | Flux uncertainty within 9.0-pixel aperture | |||
| ap09Flux_flag | boolean | General Failure Flag | ||||
| ap12Flux | double | nJy | Flux within 12.0-pixel aperture | |||
| ap12FluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture | |||
| ap12Flux_flag | boolean | General Failure Flag | ||||
| ap17Flux | double | nJy | Flux within 17.0-pixel aperture | |||
| ap17FluxErr | double | nJy | Flux uncertainty within 17.0-pixel aperture | |||
| ap17Flux_flag | boolean | General Failure Flag | ||||
| ap25Flux | double | nJy | Flux within 25.0-pixel aperture | |||
| ap25FluxErr | double | nJy | Flux uncertainty within 25.0-pixel aperture | |||
| ap25Flux_flag | boolean | General Failure Flag | ||||
| ap35Flux | double | nJy | Flux within 35.0-pixel aperture | |||
| ap35FluxErr | double | nJy | Flux uncertainty within 35.0-pixel aperture | |||
| ap35Flux_flag | boolean | General Failure Flag | ||||
| ap50Flux | double | nJy | Flux within 50.0-pixel aperture | |||
| ap50FluxErr | double | nJy | Flux uncertainty within 50.0-pixel aperture | |||
| ap50Flux_flag | boolean | General Failure Flag | ||||
| ap70Flux | double | nJy | Flux within 70.0-pixel aperture | |||
| ap70FluxErr | double | nJy | Flux uncertainty within 70.0-pixel aperture | |||
| ap70Flux_flag | boolean | General Failure Flag | ||||
| sky | double | nJy | Background in annulus around source | |||
| skyErr | double | nJy | Background in annulus around source | |||
| psfFlux | double | nJy | Flux derived from linear least-squares fit of psf model forced on the calexp | |||
| psfFluxErr | double | nJy | Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp | |||
| ixx | double | pixel**2 | HSM moments | |||
| iyy | double | pixel**2 | HSM moments | |||
| ixy | double | pixel**2 | HSM moments | |||
| ixxPSF | double | pixel**2 | HSM moments | |||
| iyyPSF | double | pixel**2 | HSM moments | |||
| ixyPSF | double | pixel**2 | HSM moments | |||
| gaussianFlux | double | nJy | Flux from Gaussian Flux algorithm | |||
| gaussianFluxErr | double | nJy | Flux uncertainty from Gaussian Flux algorithm | |||
| extendedness | double | Set to 1 for extended sources, 0 for point sources. | ||||
| localPhotoCalib | double | Local approximation of the PhotoCalib calibration factor at the location of the src. | ||||
| localPhotoCalib_flag | boolean | Set for any fatal failure | ||||
| localPhotoCalibErr | double | Uncertainty on the local approximation of the PhotoCalib calibration factor at the location of the src. | ||||
| localWcs_flag | boolean | Set for any fatal failure | ||||
| localWcs_CDMatrix_2_1 | double | (2, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | ||||
| localWcs_CDMatrix_1_1 | double | (1, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | ||||
| localWcs_CDMatrix_1_2 | double | (1, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | ||||
| localWcs_CDMatrix_2_2 | double | (2, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | ||||
| blendedness_abs | double | Measure of how much the flux is affected by neighbors, (1 - child_flux/parent_flux). Operates on the absolute value of the pixels to try to obtain a de-noised value. See section 4.9.11 of Bosch et al. 2018, PASJ, 70, S5 for details. | ||||
| blendedness_flag | boolean | General Failure Flag | ||||
| blendedness_flag_noCentroid | boolean | Object has no centroid | ||||
| blendedness_flag_noShape | boolean | Object has no shape | ||||
| apFlux_12_0_flag | boolean | General Failure Flag | ||||
| apFlux_12_0_flag_apertureTruncated | boolean | Aperture did not fit within measurement image | ||||
| apFlux_12_0_flag_sincCoeffsTruncated | boolean | Full sinc coefficient image did not fit within measurement image | ||||
| apFlux_12_0_instFlux | double | count | Flux within 12.0-pixel aperture | |||
| apFlux_12_0_instFluxErr | double | count | 1-sigma flux uncertainty | |||
| apFlux_17_0_flag | boolean | General Failure Flag | ||||
| apFlux_17_0_instFlux | double | count | Flux within 17.0-pixel aperture | |||
| apFlux_17_0_instFluxErr | double | count | 1-sigma flux uncertainty | |||
| extendedness_flag | boolean | Set to 1 for any fatal failure. | ||||
| footprintArea_value | int | pixel | Number of pixels in the source's detection footprint. | |||
| jacobian_flag | boolean | Set to 1 for any fatal failure | ||||
| jacobian_value | double | Jacobian correction | ||||
| localBackground_instFlux | double | count | Background in annulus around source | |||
| localBackground_instFluxErr | double | count | 1-sigma flux uncertainty | |||
| localBackground_flag | boolean | General Failure Flag | ||||
| localBackground_flag_noGoodPixels | boolean | No good pixels in the annulus | ||||
| localBackground_flag_noPsf | boolean | No PSF provided | ||||
| pixelFlags_bad | boolean | Bad pixel in the Source footprint | ||||
| pixelFlags_cr | boolean | Cosmic ray in the Source footprint | ||||
| pixelFlags_crCenter | boolean | Cosmic ray in the Source center | ||||
| pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA) | ||||
| pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint | ||||
| pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center | ||||
| pixelFlags_offimage | boolean | Source center is off image | ||||
| pixelFlags_saturated | boolean | Saturated pixel in the Source footprint | ||||
| pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center | ||||
| pixelFlags_suspect | boolean | Source's footprint includes suspect pixels | ||||
| pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels | ||||
| psfFlux_apCorr | double | Aperture correction applied to base_PsfFlux | ||||
| psfFlux_apCorrErr | double | Standard deviation of aperture correction applied to base_PsfFlux | ||||
| psfFlux_area | float | pixel | Effective area of PSF | |||
| psfFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the calexp | ||||
| psfFlux_flag_apCorr | boolean | Set if unable to aperture correct base_PsfFlux | ||||
| psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model | ||||
| psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit | ||||
| gaussianFlux_flag | boolean | General Failure Flag | ||||
| centroid_flag | boolean | General Failure Flag | ||||
| centroid_flag_almostNoSecondDerivative | boolean | Almost vanishing second derivative | ||||
| centroid_flag_badError | boolean | Uncertainty on x and/or y position is NaN | ||||
| centroid_flag_edge | boolean | Object too close to edge | ||||
| centroid_flag_noSecondDerivative | boolean | Vanishing second derivative | ||||
| centroid_flag_notAtMaximum | boolean | Object is not at a maximum | ||||
| centroid_flag_resetToPeak | boolean | Set if CentroidChecker reset the centroid | ||||
| variance_flag | boolean | Set for any fatal failure | ||||
| variance_flag_emptyFootprint | boolean | Set to True when the footprint has no usable pixels | ||||
| variance_value | double | Variance at object position | ||||
| calib_astrometry_used | boolean | Set if source was used in astrometric calibration | ||||
| calib_detected | boolean | Source was detected as an image characterization source (icSrc) | ||||
| calib_photometry_reserved | boolean | Set if source was reserved from photometric calibration | ||||
| calib_photometry_used | boolean | Set if source was used in photometric calibration | ||||
| calib_psf_candidate | boolean | Flag set if the source was a candidate for PSF determination, as determined by the star selector. | ||||
| calib_psf_reserved | boolean | Set if source was reserved from PSF determination | ||||
| calib_psf_used | boolean | Flag set if the source was actually used for PSF determination, as determined by the | ||||
| deblend_deblendedAsPsf | boolean | Deblender thought this source looked like a PSF | ||||
| deblend_hasStrayFlux | boolean | This source was assigned some stray flux | ||||
| deblend_masked | boolean | Parent footprint was predominantly masked | ||||
| deblend_nChild | int | Number of children this object has (defaults to 0) | ||||
| deblend_parentTooBig | boolean | Parent footprint covered too many pixels | ||||
| deblend_patchedTemplate | boolean | This source was near an image edge and the deblender used patched edge-handling. | ||||
| deblend_rampedTemplate | boolean | This source was near an image edge and the deblender used ramp edge-handling. | ||||
| deblend_skipped | boolean | Deblender skipped this source | ||||
| deblend_tooManyPeaks | boolean | Source had too many peaks; only the brightest were included | ||||
| hsmPsfMoments_flag | boolean | General failure flag, set if anything went wrong | ||||
| hsmPsfMoments_flag_no_pixels | boolean | No pixels to measure | ||||
| hsmPsfMoments_flag_not_contained | boolean | Center not contained in footprint bounding box | ||||
| hsmPsfMoments_flag_parent_source | boolean | Parent source, ignored | ||||
| hsmShapeRegauss_flag | boolean | General failure flag, set if anything went wrong | ||||
| hsmShapeRegauss_flag_galsim | boolean | GalSim failure | ||||
| hsmShapeRegauss_flag_no_pixels | boolean | No pixels to measure | ||||
| hsmShapeRegauss_flag_not_contained | boolean | Center not contained in footprint bounding box | ||||
| hsmShapeRegauss_flag_parent_source | boolean | Parent source, ignored | ||||
| sky_source | boolean | Sky objects. | ||||
| detect_isPrimary | boolean | True if Object seed has no children and is in the inner region of a coadd patch and is in the inner region of a coadd tract and is not a sky object | ||||
| band | char | Name of the band used to take the exposure where this source was measured. Abstract filter that is not associated with a particular instrument | ||||
| instrument | char | ID of instrument, the entity that produces observations. | ||||
| detector | long | Detector ID. A detector associated with a particular instrument (not an observation of that detector) | ||||
| physical_filter | char | ID of physical filter, the filter associated with a particular instrument. | ||||
| visit_system | long | ID of visit system, the system of self-consistent visit definitions | ||||
| visit | long | ID of visit, the identifier for an observation within a sequence of observations. |
ForcedSource
Forced-photometry measurements on individual single-epoch visit images and difference images, based on and linked to the entries in the Object table. Point-source PSF photometry is performed, based on coordinates from a reference band chosen for each Object and reported in the Object.refBand column.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| forcedSourceId | long | Unique ID of forced source. Primary Key. | meta.id;meta.main | 100 | 1 | |
| objectId | long | Unique Object ID. Primary Key of the Object Table | meta.id | 10 | 1 | |
| parentObjectId | long | Unique ObjectId of the parent of the ObjectId in context of the deblender. | meta.id.parent | 130 | 0 | |
| coord_ra | double | deg | Fiducial ICRS Right Ascension of Object centroid used for database indexing | pos.eq.ra;meta.main | 110 | 0 |
| coord_dec | double | deg | Fiducial ICRS Declination of Object centroid used for database indexing | pos.eq.dec;meta.main | 120 | 0 |
| skymap | char | Name of skymap used for coadd projection | 160 | 0 | ||
| tract | long | Skymap tract ID | meta.id | 140 | 0 | |
| patch | long | Skymap patch ID | meta.id.part | 150 | 0 | |
| band | char | Abstract filter that is not associated with a particular instrument | meta.id;instr.filter | 20 | 1 | |
| ccdVisitId | long | Unique ID of visit and detector for which forced photometry was performed. Primary Key of the CcdVisit Table. | meta.id;obs.image | 90 | 1 | |
| detect_isPatchInner | boolean | True if Object seed is in the inner region of a coadd patch | meta.code | 190 | 0 | |
| detect_isPrimary | boolean | True if Object seed has no children and is in the inner region of a coadd patch and is in the inner region of a coadd tract and is not a sky object | meta.code.qual | 170 | 1 | |
| detect_isTractInner | boolean | True if Object seed is in the inner region of a coadd tract | meta.code | 180 | 0 | |
| localBackground_instFluxErr | double | count | 1-sigma uncertainty on the background in an annulus around source | stat.error;phot.count | 410 | 0 |
| localBackground_instFlux | double | count | Background in annulus around source | phot.count | 400 | 0 |
| localPhotoCalibErr | double | Uncertainty on the local approximation of the PhotoCalib calibration factor at the location of the src. | stat.error;phot.calib | 430 | 0 | |
| localPhotoCalib_flag | boolean | Set for any fatal failure | meta.code.qual | 440 | 0 | |
| localPhotoCalib | double | Local approximation of the PhotoCalib calibration factor at the location of the src. | phot.calib | 420 | 0 | |
| localWcs_CDMatrix_1_1 | double | (1, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 450 | 0 | |
| localWcs_CDMatrix_1_2 | double | (1, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 460 | 0 | |
| localWcs_CDMatrix_2_1 | double | (2, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 470 | 0 | |
| localWcs_CDMatrix_2_2 | double | (2, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 480 | 0 | |
| localWcs_flag | boolean | Set for any fatal failure | meta.code.qual | 490 | 0 | |
| pixelFlags_bad | boolean | Bad pixel in the Source footprint | meta.code.qual;instr.pixel | 200 | 0 | |
| pixelFlags_crCenter | boolean | Cosmic ray in the Source center | meta.code.qual;instr.pixel | 220 | 0 | |
| pixelFlags_cr | boolean | Cosmic ray in the Source footprint | meta.code.qual;instr.pixel | 210 | 0 | |
| pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA) | meta.code.qual;instr.pixel | 230 | 0 | |
| pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center | meta.code.qual;instr.pixel | 250 | 0 | |
| pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint | meta.code.qual;instr.pixel | 240 | 0 | |
| pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center | meta.code.qual;instr.pixel | 270 | 0 | |
| pixelFlags_saturated | boolean | Saturated pixel in the Source footprint | meta.code.qual;instr.pixel | 260 | 0 | |
| pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels | meta.code.qual;instr.pixel | 290 | 0 | |
| pixelFlags_suspect | boolean | Source's footprint includes suspect pixels | meta.code.qual;instr.pixel | 280 | 0 | |
| psfDiffFluxErr | double | nJy | Uncertainty on the flux derived from linear least-squares fit of psf model forced on the image difference | stat.error;phot.flux | 70 | 1 |
| psfDiffFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the image difference | meta.code.qual | 80 | 0 | |
| psfDiffFlux | double | nJy | Flux derived from linear least-squares fit of psf model forced on the image difference | phot.flux | 60 | 1 |
| psfFluxErr | double | nJy | Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp | stat.error;phot.flux | 40 | 1 |
| psfFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the calexp | meta.code.qual | 50 | 0 | |
| psfFlux | double | nJy | Flux derived from linear least-squares fit of psf model forced on the calexp | phot.flux | 30 | 1 |
DiaObject
Properties of time-varying astronomical objects based on association of data from one or more spatially-related DiaSource detections on individual single-epoch difference images.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| decl | double | deg | Mean Declination of DIASources in the diaObject | pos.eq.dec;meta.main | ||
| diaObjectId | long | Unique id. | meta.id;meta.main | |||
| gPSFluxChi2 | double | Chi^2 statistic for the scatter of gPSFlux around gPSFluxMean | ||||
| gPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| gPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| gPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| gPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| gPSFluxMax | double | Maximum diaSource PSF flux | ||||
| gPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| gPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| gPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| gPSFluxMin | double | Minimum diaSource PSF flux | ||||
| gPSFluxNdata | double | The number of data points used to compute gPSFluxChi2 | ||||
| gPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| gPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| gPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| gPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| gPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| gPSFluxSigma | double | Standard deviation of the distribution of gPSFlux | ||||
| gPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| gPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| gTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| gTOTFluxMeanErr | double | Standard error on gTOTFluxMean | ||||
| gTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| iPSFluxChi2 | double | Chi^2 statistic for the scatter of iPSFlux around iPSFluxMean | ||||
| iPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| iPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| iPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| iPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| iPSFluxMax | double | Maximum diaSource PSF flux | ||||
| iPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| iPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| iPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| iPSFluxMin | double | Minimum diaSource PSF flux | ||||
| iPSFluxNdata | double | The number of data points used to compute iPSFluxChi2 | ||||
| iPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| iPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| iPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| iPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| iPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| iPSFluxSigma | double | Standard deviation of the distribution of iPSFlux | ||||
| iPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| iPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| iTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| iTOTFluxMeanErr | double | Standard error on iTOTFluxMean | ||||
| iTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| nDiaSources | long | Number of diaSources associated with this diaObject | ||||
| pixelId | double | HtmIndex20 of ra, decl coordinate | ||||
| rPSFluxChi2 | double | Chi^2 statistic for the scatter of rPSFlux around rPSFluxMean | ||||
| rPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| rPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| rPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| rPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| rPSFluxMax | double | Maximum diaSource PSF flux | ||||
| rPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| rPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| rPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| rPSFluxMin | double | Minimum diaSource PSF flux | ||||
| rPSFluxNdata | double | The number of data points used to compute rPSFluxChi2 | ||||
| rPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| rPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| rPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| rPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| rPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| rPSFluxSigma | double | Standard deviation of the distribution of rPSFlux | ||||
| rPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| rPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| rTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| rTOTFluxMeanErr | double | Standard error on rTOTFluxMean | ||||
| rTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| ra | double | deg | Mean Right Ascension of DIASources in the diaObject | pos.eq.ra;meta.main | ||
| radecTai | double | Not used in DP0.2 | ||||
| uPSFluxChi2 | double | Chi^2 statistic for the scatter of uPSFlux around uPSFluxMean | ||||
| uPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| uPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| uPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| uPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| uPSFluxMax | double | Maximum diaSource PSF flux | ||||
| uPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| uPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| uPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| uPSFluxMin | double | Minimum diaSource PSF flux | ||||
| uPSFluxNdata | double | The number of data points used to compute uPSFluxChi2 | ||||
| uPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| uPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| uPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| uPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| uPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| uPSFluxSigma | double | Standard deviation of the distribution of uPSFlux | ||||
| uPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| uPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| uTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| uTOTFluxMeanErr | double | Standard error on uTOTFluxMean | ||||
| uTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| yPSFluxChi2 | double | Chi^2 statistic for the scatter of yPSFlux around yPSFluxMean | ||||
| yPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| yPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| yPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| yPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| yPSFluxMax | double | Maximum diaSource PSF flux | ||||
| yPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| yPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| yPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| yPSFluxMin | double | Minimum diaSource PSF flux | ||||
| yPSFluxNdata | double | The number of data points used to compute yPSFluxChi2 | ||||
| yPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| yPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| yPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| yPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| yPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| yPSFluxSigma | double | Standard deviation of the distribution of yPSFlux | ||||
| yPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| yPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| yTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| yTOTFluxMeanErr | double | Standard error on yTOTFluxMean | ||||
| yTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| zPSFluxChi2 | double | Chi^2 statistic for the scatter of zPSFlux around zPSFluxMean | ||||
| zPSFluxErrMean | double | Mean of the diaSource PSF flux uncertainties | ||||
| zPSFluxLinearIntercept | double | y-intercept of a linear model fit to diaSource PSF flux vs time | ||||
| zPSFluxLinearSlope | double | Slope of a linear model fit to diaSource PSF flux vs time | ||||
| zPSFluxMAD | double | Median absolute deviation of diaSource PSF flux. Does not include scale factor for comparison to sigma | ||||
| zPSFluxMax | double | Maximum diaSource PSF flux | ||||
| zPSFluxMaxSlope | double | Maximum ratio of time ordered deltaFlux / deltaTime | ||||
| zPSFluxMean | double | Weighted mean of diaSource PSF flux | ||||
| zPSFluxMeanErr | double | Standard error on the weighted mean of diaSource PSF flux | ||||
| zPSFluxMin | double | Minimum diaSource PSF flux | ||||
| zPSFluxNdata | double | The number of data points used to compute zPSFluxChi2 | ||||
| zPSFluxPercentile05 | double | 5th percentile diaSource PSF flux | ||||
| zPSFluxPercentile25 | double | 10th percentile diaSource PSF flux | ||||
| zPSFluxPercentile50 | double | Median diaSource PSF flux | ||||
| zPSFluxPercentile75 | double | 75th percentile diaSource PSF flux | ||||
| zPSFluxPercentile95 | double | 95th percentile diaSource PSF flux | ||||
| zPSFluxSigma | double | Standard deviation of the distribution of zPSFlux | ||||
| zPSFluxSkew | double | Skew of diaSource PSF flux | ||||
| zPSFluxStetsonJ | double | StetsonJ statistic of diaSource PSF flux | ||||
| zTOTFluxMean | double | Weighted mean of the PSF flux forced photometered at the diaSource position on the calibrated image | ||||
| zTOTFluxMeanErr | double | Standard error on zTOTFluxMean | ||||
| zTOTFluxSigma | double | Standard deviation of the PSF flux forced photometered at the diaSource position on the calibrated image |
DiaSource
Properties of transient-object detections on the single-epoch difference images.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| apFlux | double | nJy | Flux within 12.0-pixel aperture | |||
| apFluxErr | double | nJy | Flux uncertainty within 12.0-pixel aperture | |||
| apFlux_flag | boolean | General Failure Flag | ||||
| apFlux_flag_apertureTruncated | boolean | Aperture did not fit within measurement image | ||||
| bboxSize | long | Bounding box of diaSource footprint | ||||
| ccdVisitId | long | Unique ID of CCD and visit where this source was detected and measured. Primary Key of the CcdVisit Table. | meta.id;obs.image | |||
| centroid_flag | boolean | General failure flag, set if anything went wrong | ||||
| centroid_neg_flag | boolean | Failure flag for negative, set if anything went wrong | ||||
| centroid_pos_flag | boolean | Failure flag for positive, set if anything went wrong | ||||
| coord_dec | double | deg | Fiducial ICRS Declination of centroid used for database indexing | pos.eq.dec;meta.main | ||
| coord_ra | double | deg | Fiducial ICRS Right Ascension of centroid used for database indexing | pos.eq.ra;meta.main | ||
| decl | double | deg | Position in Declination | pos.eq.dec | ||
| diaObjectId | long | Unique DiaObject ID. Primary Key of the DIA Object Table | meta.id.assoc;src | |||
| diaSourceId | long | Unique ID | meta.id;src;meta.main | |||
| dipAngle | double | deg | Dipole orientation | |||
| dipChi2 | double | Chi2 per degree of freedom of dipole fit | ||||
| dipFluxDiff | double | nJy | Raw flux counts, positive lobe | |||
| dipFluxDiffErr | double | nJy | Raw flux uncertainty counts, positive lobe | |||
| dipLength | double | pixel | Pixel separation between positive and negative lobes of dipole | |||
| dipMeanFlux | double | count | Raw flux counts, positive lobe | |||
| dipMeanFluxErr | double | count | Raw flux uncertainty counts, positive lobe | |||
| filterName | char | Band used to take this observation | ||||
| forced_PsfFlux_flag | boolean | Forced PSF flux general failure flag. | ||||
| forced_PsfFlux_flag_edge | boolean | Forced PSF flux object was too close to the edge of the image to use the full PSF model. | ||||
| forced_PsfFlux_flag_noGoodPixels | boolean | Forced PSF flux not enough non-rejected pixels in data to attempt the fit. | ||||
| isDipole | boolean | Flag indicating diaSource is classified as a dipole | ||||
| ixx | double | arcsec**2 | Elliptical Gaussian adaptive moments | |||
| ixxPSF | double | arcsec**2 | Adaptive moments of the PSF model at the object position | |||
| ixy | double | arcsec**2 | Elliptical Gaussian adaptive moments | |||
| ixyPSF | double | arcsec**2 | Adaptive moments of the PSF model at the object position | |||
| iyy | double | arcsec**2 | Elliptical Gaussian adaptive moments | |||
| iyyPSF | double | arcsec**2 | Adaptive moments of the PSF model at the object position | |||
| midPointTai | double | d | Effective mid-exposure time for this diaSource. | time.epoch;obs.exposure | ||
| parentDiaSourceId | long | Unique ID of parent source | ||||
| pixelFlags | boolean | General failure flag, set if anything went wrong | ||||
| pixelFlags_bad | boolean | Bad pixel in the Source footprint | ||||
| pixelFlags_cr | boolean | Cosmic ray in the Source footprint | ||||
| pixelFlags_crCenter | boolean | Cosmic ray in the Source center | ||||
| pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA) | ||||
| pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint | ||||
| pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center | ||||
| pixelFlags_offimage | boolean | Source center is off image | ||||
| pixelFlags_saturated | boolean | Saturated pixel in the Source footprint | ||||
| pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center | ||||
| pixelFlags_suspect | boolean | Source's footprint includes suspect pixels | ||||
| pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels | ||||
| pixelId | long | Position in ra/dec | ||||
| psFlux | double | nJy | Flux derived from linear least-squares fit of PSF model | |||
| psFluxErr | double | nJy | Flux uncertainty derived from linear least-squares fit of PSF model | |||
| psfFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the calexp | ||||
| psfFlux_flag_edge | boolean | Object was too close to the edge of the image to use the full PSF model | ||||
| psfFlux_flag_noGoodPixels | boolean | Not enough non-rejected pixels in data to attempt the fit | ||||
| ra | double | deg | Position in Right Ascension | pos.eq.ra | ||
| shape_flag | boolean | General Failure Flag | ||||
| shape_flag_maxIter | boolean | Too many iterations in adaptive moments | ||||
| shape_flag_psf | boolean | Failure in measuring PSF model shape | ||||
| shape_flag_shift | boolean | Centroid shifted by more than the maximum allowed amount | ||||
| shape_flag_unweighted | boolean | Weighted moments converged to an invalid value; using unweighted moments | ||||
| shape_flag_unweightedBad | boolean | Both weighted and unweighted moments were invalid | ||||
| snr | double | Ratio of apFlux/apFluxErr | ||||
| ssObjectId | long | Id of the solar system object (ssObject) this source was associated with, if any. If not, it is set to 0 | ||||
| totFlux | double | nJy | Forced PSF flux measured on the direct image. | |||
| totFluxErr | double | nJy | Forced PSF flux uncertainty measured on the direct image. | |||
| x | double | pixel | Unweighted first moment centroid, overall centroid | |||
| xErr | float | pixel | 1-sigma uncertainty on x position | |||
| y | double | pixel | Unweighted first moment centroid, overall centroid | |||
| yErr | float | pixel | 1-sigma uncertainty on y position |
ForcedSourceOnDiaObject
Point-source forced-photometry measurements on individual single-epoch visit images and difference images, based on and linked to the entries in the DiaObject table.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| band | char | Abstract filter that is not associated with a particular instrument | meta.id;instr.filter | 20 | 1 | |
| ccdVisitId | long | Unique ID of visit and detector for which forced photometry was performed. Primary Key of the CcdVisit Table. | meta.id;obs.image | 90 | 1 | |
| coord_dec | double | deg | Fiducial ICRS Declination of DiaObject centroid used for database indexing | pos.eq.dec;meta.main | 120 | 0 |
| coord_ra | double | deg | Fiducial ICRS Right Ascension of DiaObject centroid used for database indexing | pos.eq.ra;meta.main | 110 | 0 |
| diaObjectId | long | Unique DiaObject ID. Primary Key of the DiaObject Table | meta.id;src | 10 | 1 | |
| forcedSourceOnDiaObjectId | long | Unique ID of forced source. Primary Key. | meta.id;src;meta.main | 100 | 1 | |
| localBackground_instFlux | double | count | Background in annulus around source | phot.count | 400 | 0 |
| localBackground_instFluxErr | double | count | 1-sigma uncertainty on the background in an annulus around source | stat.error;phot.count | 410 | 0 |
| localPhotoCalib | double | Local approximation of the PhotoCalib calibration factor at the location of the src. | phot.calib | 420 | 0 | |
| localPhotoCalibErr | double | Uncertainty on the local approximation of the PhotoCalib calibration factor at the location of the src. | stat.error;phot.calib | 430 | 0 | |
| localPhotoCalib_flag | boolean | Set for any fatal failure | meta.code.qual | 440 | 0 | |
| localWcs_CDMatrix_1_1 | double | (1, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 450 | 0 | |
| localWcs_CDMatrix_1_2 | double | (1, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 460 | 0 | |
| localWcs_CDMatrix_2_1 | double | (2, 1) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 470 | 0 | |
| localWcs_CDMatrix_2_2 | double | (2, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians. | pos.wcs.cdmatrix | 480 | 0 | |
| localWcs_flag | boolean | Set for any fatal failure | meta.code.qual | 490 | 0 | |
| parentObjectId | long | Unique ObjectId of the parent of the ObjectId in context of the deblender. | meta.id.parent | 130 | 0 | |
| patch | long | Skymap patch ID | meta.id.part;obs.field | 150 | 0 | |
| pixelFlags_bad | boolean | Bad pixel in the Source footprint | meta.code.qual;instr.pixel | 200 | 0 | |
| pixelFlags_cr | boolean | Cosmic ray in the Source footprint | meta.code.qual;instr.pixel | 210 | 0 | |
| pixelFlags_crCenter | boolean | Cosmic ray in the Source center | meta.code.qual;instr.pixel | 220 | 0 | |
| pixelFlags_edge | boolean | Source is outside usable exposure region (masked EDGE or NO_DATA) | meta.code.qual;instr.pixel | 230 | 0 | |
| pixelFlags_interpolated | boolean | Interpolated pixel in the Source footprint | meta.code.qual;instr.pixel | 240 | 0 | |
| pixelFlags_interpolatedCenter | boolean | Interpolated pixel in the Source center | meta.code.qual;instr.pixel | 250 | 0 | |
| pixelFlags_saturated | boolean | Saturated pixel in the Source footprint | meta.code.qual;instr.pixel | 260 | 0 | |
| pixelFlags_saturatedCenter | boolean | Saturated pixel in the Source center | meta.code.qual;instr.pixel | 270 | 0 | |
| pixelFlags_suspect | boolean | Source's footprint includes suspect pixels | meta.code.qual;instr.pixel | 280 | 0 | |
| pixelFlags_suspectCenter | boolean | Source's center is close to suspect pixels | meta.code.qual;instr.pixel | 290 | 0 | |
| psfDiffFlux | double | nJy | Flux derived from linear least-squares fit of psf model forced on the image difference | phot.flux | 60 | 1 |
| psfDiffFluxErr | double | nJy | Uncertainty on the flux derived from linear least-squares fit of psf model forced on the image difference | stat.error;phot.flux | 70 | 1 |
| psfDiffFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the image difference | meta.code.qual | 80 | 0 | |
| psfFlux | double | nJy | Flux derived from linear least-squares fit of psf model forced on the calexp | phot.flux | 30 | 1 |
| psfFluxErr | double | nJy | Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp | stat.error;phot.flux | 40 | 1 |
| psfFlux_flag | boolean | Failure to derive linear least-squares fit of psf model forced on the calexp | meta.code.qual | 50 | 0 | |
| skymap | char | Name of skymap used for coadd projection | 160 | 0 | ||
| tract | long | Skymap tract ID | meta.id;obs.field | 140 | 0 |
Visit
Metadata about the pointings of the DC2 simulated survey, largely associated with the boresight of the entire focal plane.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| visit | long | Unique identifier. | meta.id;obs;meta.main | 1 | 1 | |
| physical_filter | char | ID of physical filter, the filter associated with a particular instrument. | meta.id;instr.filter | 11 | 0 | |
| band | char | Name of the band used to take the exposure where this source was measured. Abstract filter that is not associated with a particular instrument. | meta.id;instr.bandpass | 10 | 1 | |
| ra | double | deg | RA of focal plane center. | pos.eq.ra;meta.main | 2 | 1 |
| decl | double | deg | Declination of focal plane center | pos.eq.dec;meta.main | 3 | 1 |
| skyRotation | double | deg | Sky rotation angle. | pos.posAng | 4 | 1 |
| azimuth | double | deg | Azimuth of focal plane center at the middle of the exposure. | pos.az.azi | 14 | 0 |
| altitude | double | deg | Altitude of focal plane center at the middle of the exposure. | pos.az.alt | 13 | 0 |
| zenithDistance | double | deg | Zenith distance at the middle of the exposure. | pos.az.zd | 15 | 0 |
| airmass | double | Airmass of the observed line of sight. | obs.airMass | 12 | 1 | |
| expTime | double | s | Spatially-averaged duration of exposure, accurate to 10ms. | time.duration;obs.exposure | 9 | 1 |
| expMidpt | timestamp | Midpoint time for exposure at the fiducial center of the focal plane array. TAI, accurate to 10ms. | 6 | 0 | ||
| expMidptMJD | double | d | Midpoint time for exposure at the fiducial center of the focal plane array in MJD. TAI, accurate to 10ms. | time.epoch;obs.exposure | 5 | 1 |
| obsStart | timestamp | Start time of the exposure at the fiducial center of the focal plane array, TAI, accurate to 10ms. | time.start;obs.exposure | 8 | 0 | |
| obsStartMJD | double | d | Start of the exposure in MJD, TAI, accurate to 10ms. | time.start;obs.exposure | 7 | 0 |
CcdVisit
Metadata about the 189 individual CCD images for each Visit in the DC2 simulated survey.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| ccdVisitId | long | Primary key (unique identifier). | meta.id;obs.image;meta.main | 1 | 1 | |
| visitId | long | Reference to the corresponding entry in the Visit table. | meta.id.parent;obs | 2 | 1 | |
| physical_filter | char | ID of physical filter, the filter associated with a particular instrument. | meta.id;instr.filter | 14 | 0 | |
| band | char | Name of the band used to take the exposure where this source was measured. Abstract filter that is not associated with a particular instrument. | meta.id;instr.bandpass | 13 | 1 | |
| ra | double | deg | RA of CCD center. | pos.eq.ra;meta.main | 4 | 1 |
| decl | double | deg | Declination of CCD center. | pos.eq.dec;meta.main | 5 | 1 |
| zenithDistance | float | deg | Zenith distance at observation mid-point. | pos.az.zd | 20 | 1 |
| zeroPoint | float | mag | Zero-point for the CCD, estimated at CCD center. | arith.zp;instr.calib | 17 | 0 |
| psfSigma | float | pixel | PSF model second-moments determinant radius (center of chip) | stat.stdev;instr.det.psf | 16 | 0 |
| skyBg | float | adu | Average sky background. | instr.skyLevel | 18 | 0 |
| skyNoise | float | adu | RMS noise of the sky background. | stat.rms;instr.skyLevel | 19 | 0 |
| detector | long | Detector ID. A detector associated with a particular instrument (not an observation of that detector) | meta.id.part;instr.det | 3 | 1 | |
| seeing | double | arcsec | Mean measured FWHM of the PSF. | instr.obsty.seeing | 15 | 1 |
| skyRotation | double | deg | Sky rotation angle. | pos.posAng | 6 | 0 |
| expMidpt | timestamp | Midpoint for exposure. TAI, accurate to 10ms. | 8 | 0 | ||
| expMidptMJD | double | d | Midpoint for exposure in MJD. TAI, accurate to 10ms. | time.epoch;obs.exposure | 7 | 1 |
| expTime | double | s | Spatially-averaged duration of exposure, accurate to 10ms. | time.duration;obs.exposure | 11 | 1 |
| obsStart | timestamp | Start of the exposure, TAI, accurate to 10ms. | time.start;obs.exposure | 10 | 0 | |
| obsStartMJD | double | d | Start of the exposure in MJD, TAI, accurate to 10ms. | time.start;obs.exposure | 9 | 0 |
| darkTime | double | s | Average dark current accumulation time, accurate to 10ms. | time.duration;obs.calib.dark | 12 | 0 |
| xSize | long | pixel | Number of columns in the image. | meta.number;instr.det | 21 | 0 |
| ySize | long | pixel | Number of rows in the image. | meta.number;instr.det | 22 | 0 |
| llcra | double | deg | RA of lower left corner. | pos.eq.ra;pos.outline;obs.field | 23 | 0 |
| llcdec | double | deg | Declination of lower left corner. | pos.eq.dec;pos.outline;obs.field | 24 | 0 |
| ulcra | double | deg | RA of upper left corner. | pos.eq.ra;pos.outline;obs.field | 25 | 0 |
| ulcdec | double | deg | Declination of upper left corner. | pos.eq.dec;pos.outline;obs.field | 26 | 0 |
| urcra | double | deg | RA of upper right corner. | pos.eq.ra;pos.outline;obs.field | 27 | 0 |
| urcdec | double | deg | Declination of upper right corner. | pos.eq.dec;pos.outline;obs.field | 28 | 0 |
| lrcra | double | deg | RA of lower right corner. | pos.eq.ra;pos.outline;obs.field | 29 | 0 |
| lrcdec | double | deg | Declination of lower right corner. | pos.eq.dec;pos.outline;obs.field | 30 | 0 |
CoaddPatches
Static information about the subset of tracts and patches from the standard LSST skymap that apply to coadds in these catalogs
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| lsst_tract | long | ID number of the top level, 'tract', within the standard LSST skymap | meta.id;obs.field | 1 | 1 | |
| lsst_patch | long | ID number of the second level, 'patch', within the standard LSST skymap | meta.id.part;obs.field | 2 | 1 | |
| s_ra | double | deg | Central Spatial Position in ICRS; Right ascension | pos.eq.ra | 3 | 1 |
| s_dec | double | deg | Central Spatial Position in ICRS; Declination | pos.eq.dec | 4 | 1 |
| s_region | string | Sky region covered by the coadd (expressed in ICRS frame) | pos.outline;obs.field | 5 | 1 |
MatchesTruth
Match information for TruthSummary objects.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| match_candidate | boolean | True for sources that were selected for matching | 999 | 0 | ||
| match_count | int | Number of candidate object matches within match radius | 999 | 0 | ||
| match_chisq | double | The chi-squared value of the (best) match | 999 | 0 | ||
| match_n_chisq_finite | int | The number of finite columns used to compute the match chisq | 999 | 0 | ||
| id | char | id for TruthSummary source. Potentially non-unique; use id_truth_type for JOINs. | meta.id.assoc | 999 | 0 | |
| truth_type | int | Type of TruthSummary source; 1 for galaxies, 2 for stars, and 3 for SNe | 999 | 0 | ||
| match_objectId | long | objectId of matched entry in the Object table, if any | meta.id.assoc | 1 | 1 | |
| id_truth_type | char | Combination of TruthSummary id and truth_type fields, used for JOINs. | meta.id.assoc | 2 | 1 |
TruthSummary
Summary properties of objects from the DESC DC2 truth catalog, as described in arXiv:2101.04855. Includes the noiseless astrometric and photometric parameters.
| Column Name | Data Type | Unit | Description | UCD | Index | Principal |
|---|---|---|---|---|---|---|
| id_truth_type | char | Combination of id and truth_type fields, used for JOINs with MatchesTruth. | meta.id | 0 | 1 | |
| id | char | Unique object ID | meta.id;meta.main | 1 | 1 | |
| host_galaxy | long | ID of the host galaxy for a SN/AGN entry (-1 for other truth types) | 999 | 1 | ||
| ra | double | deg | Right Ascension | pos.eq.ra | 2 | 1 |
| dec | double | deg | Declination | pos.eq.dec | 3 | 1 |
| redshift | float | Redshift | 999 | 1 | ||
| is_variable | int | 1 for a variable source | 999 | 1 | ||
| is_pointsource | int | 1 for a point source | 999 | 1 | ||
| flux_u | float | nJy | Static flux value in u | 999 | 1 | |
| flux_g | float | nJy | Static flux value in g | 999 | 1 | |
| flux_r | float | nJy | Static flux value in r | 999 | 1 | |
| flux_i | float | nJy | Static flux value in i | 999 | 1 | |
| flux_z | float | nJy | Static flux value in z | 999 | 1 | |
| flux_y | float | nJy | Static flux value in y | 999 | 1 | |
| flux_u_noMW | float | nJy | Static flux value in u, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| flux_g_noMW | float | nJy | Static flux value in g, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| flux_r_noMW | float | nJy | Static flux value in r, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| flux_i_noMW | float | nJy | Static flux value in i, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| flux_z_noMW | float | nJy | Static flux value in z, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| flux_y_noMW | float | nJy | Static flux value in y, without Milky Way extinction (i.e., dereddened) | 999 | 0 | |
| mag_r | float | mag | Magnitude in r | 999 | 1 | |
| cosmodc2_hp | long | Healpix ID in cosmoDC2 (for galaxies only; -1 for stars and SNe) | 999 | 0 | ||
| cosmodc2_id | long | Galaxy ID in cosmoDC2 (for galaxies only; -1 for stars and SNe) | 999 | 0 | ||
| truth_type | long | 1 for galaxies, 2 for stars, and 3 for SNe | 999 | 1 |
SDM Schemas is maintained by Rubin Observatory.