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]
objectId	long		Unique id. Unique ObjectID [meta.id;src;meta.main]
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]
deblend_nChild	int		Number of children this object has (defaults to 0)
deblend_skipped	boolean		Deblender skipped this source
detect_fromBlend	boolean		This source is deblended from a parent with more than one child.
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
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
detect_isIsolated	boolean		This source is not a part of a blend.
detect_isPatchInner	boolean		True if source is in the inner region of a coadd patch
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
detect_isTractInner	boolean		True if source is in the inner region of a coadd tract
footprintArea	int	pixel	Number of pixels in the source's detection footprint. Reference band.
merge_peak_sky	boolean		Peak detected in filter sky
parentObjectId	long		Unique ID of parent source. Reference band. [meta.id.parent]
patch	long		Skymap patch ID [meta.id.part;obs.field]
refBand	char		Reference band - parameters measured on coadds of this band were used for multi-band forced photometry [meta.id;instr.filter;meta.main]
refExtendedness	double		Set to 1 for extended sources, 0 for point sources. Reference band.
refFwhm	double		Estimated FWHM on the reference band at source center assuming a Gaussian profile
shape_flag	boolean		General failure flag, set if anything went wrong. Reference band.
shape_xx	double	pixel**2	Hirata-Seljak-Mandelbaum (HSM) moments. Reference band.
shape_xy	double	pixel**2	HSM moments. Reference band.
shape_yy	double	pixel**2	HSM moments. Reference band.
sky_object	boolean		No source was detected here. This object exists to characterize properties of the sky background
skymap	char		Name of skymap used for coadd projection
tract	long		Skymap tract ID [meta.id;obs.field]
x	double	pixel	Centroid from SDSS Centroid algorithm. Reference band.
xErr	float	pixel	1-sigma uncertainty on x position. Reference band.
xy_flag	boolean		General Failure Flag. Reference band.
y	double	pixel	Centroid from SDSS Centroid algorithm. Reference band.
yErr	float	pixel	1-sigma uncertainty on y position. Reference band.
g_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on g-band.
g_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on g-band.
g_ap03Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on g-band.
g_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on g-band.
g_ap06Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on g-band.
g_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on g-band.
g_ap09Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on g-band.
g_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on g-band.
g_ap12Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on g-band.
g_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on g-band.
g_ap17Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on g-band.
g_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on g-band.
g_ap25Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on g-band.
g_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on g-band.
g_ap35Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on g-band.
g_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on g-band.
g_ap50Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on g-band.
g_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on g-band.
g_ap70Flux_flag	boolean		General Failure Flag. Forced on g-band.
g_apFlux_flag	boolean		General Failure Flag. Measured on g-band.
g_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on g-band.
g_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on g-band.
g_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on g-band.
g_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on g-band.
g_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on g-band.
g_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on g-band.
g_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on g-band.
g_bdFluxD	double	nJy	Flux from the exponential fit. Measured on g-band.
g_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on g-band.
g_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on g-band.
g_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on g-band.
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.
g_blendedness_flag	boolean		General Failure Flag. Measured on g-band.
g_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on g-band.
g_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on g-band.
g_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on g-band.
g_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on g-band.
g_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on g-band.
g_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on g-band.
g_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on g-band.
g_calibFlux_flag	boolean		General Failure Flag. Measured on g-band.
g_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on g-band.
g_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on g-band.
g_calib_astrometry_used	boolean		Propagated from sources. Measured on g-band.
g_calib_photometry_reserved	boolean		Propagated from sources. Measured on g-band.
g_calib_photometry_used	boolean		Propagated from sources. Measured on g-band.
g_calib_psf_candidate	boolean		Propagated from sources. Measured on g-band.
g_calib_psf_reserved	boolean		Propagated from sources. Measured on g-band.
g_calib_psf_used	boolean		Propagated from sources. Measured on g-band.
g_centroid_flag	boolean		General Failure Flag. Measured on g-band.
g_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on g-band.
g_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on g-band.
g_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on g-band.
g_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on g-band.
g_decl	double	deg	Position in Declination. Measured on g-band. [pos.eq.dec]
g_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on g-band.
g_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on g-band.
g_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on g-band.
g_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on g-band.
g_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on g-band.
g_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on g-band.
g_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on g-band.
g_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on g-band.
g_free_psfFlux_flag	boolean		General Failure Flag. Measured on g-band.
g_fwhm	double	pixel**2	HSM moments. Measured on g-band.
g_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaapFlux_flag	boolean		Set for any fatal failure. Forced on g-band.
g_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on g-band.
g_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on g-band.
g_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on g-band.
g_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on g-band.
g_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on g-band.
g_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band.
g_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band.
g_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on g-band.
g_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on g-band.
g_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on g-band.
g_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on g-band.
g_iRound_flag	double	pixel**2	HSM moments. Measured on g-band.
g_i_flag	boolean		General failure flag, set if anything went wrong. Measured on g-band.
g_inputCount	int		Number of images contributing at center, not including any clipping. Forced on g-band.
g_inputCount_flag	boolean		Set for any fatal failure. Forced on g-band.
g_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on g-band.
g_ixx	double	pixel**2	HSM moments. Measured on g-band.
g_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on g-band.
g_ixxPSF	double	pixel**2	HSM moments. Measured on g-band.
g_ixxRound	double	pixel**2	HSM moments. Measured on g-band.
g_ixy	double	pixel**2	HSM moments. Measured on g-band.
g_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on g-band.
g_ixyPSF	double	pixel**2	HSM moments. Measured on g-band.
g_ixyRound	double	pixel**2	HSM moments. Measured on g-band.
g_iyy	double	pixel**2	HSM moments. Measured on g-band.
g_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on g-band.
g_iyyPSF	double	pixel**2	HSM moments. Measured on g-band.
g_iyyRound	double	pixel**2	HSM moments. Measured on g-band.
g_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on g-band.
g_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on g-band.
g_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on g-band.
g_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on g-band.
g_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on g-band.
g_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on g-band.
g_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on g-band.
g_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on g-band.
g_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on g-band.
g_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on g-band.
g_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on g-band.
g_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on g-band.
g_kronRad	float		Kron radius (sqrt(a*b)). Measured on g-band.
g_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on g-band.
g_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on g-band.
g_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on g-band.
g_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on g-band.
g_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on g-band.
g_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on g-band.
g_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on g-band.
g_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on g-band.
g_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on g-band.
g_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on g-band.
g_pixelFlags_offimage	boolean		Source center is off image. Measured on g-band.
g_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on g-band.
g_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on g-band.
g_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on g-band.
g_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on g-band.
g_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on g-band.
g_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on g-band.
g_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on g-band.
g_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on g-band.
g_psfFlux_area	float	pixel	Effective area of PSF. Forced on g-band.
g_psfFlux_flag	boolean		General Failure Flag. Forced on g-band.
g_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on g-band.
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.
g_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on g-band.
g_ra	double	deg	Position in Right Ascension. Measured on g-band. [pos.eq.ra]
i_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on i-band.
i_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on i-band.
i_ap03Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on i-band.
i_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on i-band.
i_ap06Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on i-band.
i_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on i-band.
i_ap09Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on i-band.
i_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on i-band.
i_ap12Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on i-band.
i_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on i-band.
i_ap17Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on i-band.
i_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on i-band.
i_ap25Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on i-band.
i_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on i-band.
i_ap35Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on i-band.
i_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on i-band.
i_ap50Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on i-band.
i_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on i-band.
i_ap70Flux_flag	boolean		General Failure Flag. Forced on i-band.
i_apFlux_flag	boolean		General Failure Flag. Measured on i-band.
i_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on i-band.
i_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on i-band.
i_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on i-band.
i_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on i-band.
i_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on i-band.
i_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on i-band.
i_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on i-band.
i_bdFluxD	double	nJy	Flux from the exponential fit. Measured on i-band.
i_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on i-band.
i_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on i-band.
i_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on i-band.
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.
i_blendedness_flag	boolean		General Failure Flag. Measured on i-band.
i_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on i-band.
i_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on i-band.
i_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on i-band.
i_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on i-band.
i_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on i-band.
i_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on i-band.
i_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on i-band.
i_calibFlux_flag	boolean		General Failure Flag. Measured on i-band.
i_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on i-band.
i_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on i-band.
i_calib_astrometry_used	boolean		Propagated from sources. Measured on i-band.
i_calib_photometry_reserved	boolean		Propagated from sources. Measured on i-band.
i_calib_photometry_used	boolean		Propagated from sources. Measured on i-band.
i_calib_psf_candidate	boolean		Propagated from sources. Measured on i-band.
i_calib_psf_reserved	boolean		Propagated from sources. Measured on i-band.
i_calib_psf_used	boolean		Propagated from sources. Measured on i-band.
i_centroid_flag	boolean		General Failure Flag. Measured on i-band.
i_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on i-band.
i_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on i-band.
i_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on i-band.
i_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on i-band.
i_decl	double	deg	Position in Declination. Measured on i-band. [pos.eq.dec]
i_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on i-band.
i_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on i-band.
i_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on i-band.
i_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on i-band.
i_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on i-band.
i_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on i-band.
i_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on i-band.
i_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on i-band.
i_free_psfFlux_flag	boolean		General Failure Flag. Measured on i-band.
i_fwhm	double	pixel**2	HSM moments. Measured on i-band.
i_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaapFlux_flag	boolean		Set for any fatal failure. Forced on i-band.
i_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on i-band.
i_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on i-band.
i_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on i-band.
i_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on i-band.
i_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on i-band.
i_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band.
i_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band.
i_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on i-band.
i_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on i-band.
i_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on i-band.
i_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on i-band.
i_iRound_flag	double	pixel**2	HSM moments. Measured on i-band.
i_i_flag	boolean		General failure flag, set if anything went wrong. Measured on i-band.
i_inputCount	int		Number of images contributing at center, not including any clipping. Forced on i-band.
i_inputCount_flag	boolean		Set for any fatal failure. Forced on i-band.
i_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on i-band.
i_ixx	double	pixel**2	HSM moments. Measured on i-band.
i_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on i-band.
i_ixxPSF	double	pixel**2	HSM moments. Measured on i-band.
i_ixxRound	double	pixel**2	HSM moments. Measured on i-band.
i_ixy	double	pixel**2	HSM moments. Measured on i-band.
i_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on i-band.
i_ixyPSF	double	pixel**2	HSM moments. Measured on i-band.
i_ixyRound	double	pixel**2	HSM moments. Measured on i-band.
i_iyy	double	pixel**2	HSM moments. Measured on i-band.
i_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on i-band.
i_iyyPSF	double	pixel**2	HSM moments. Measured on i-band.
i_iyyRound	double	pixel**2	HSM moments. Measured on i-band.
i_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on i-band.
i_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on i-band.
i_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on i-band.
i_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on i-band.
i_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on i-band.
i_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on i-band.
i_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on i-band.
i_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on i-band.
i_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on i-band.
i_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on i-band.
i_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on i-band.
i_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on i-band.
i_kronRad	float		Kron radius (sqrt(a*b)). Measured on i-band.
i_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on i-band.
i_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on i-band.
i_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on i-band.
i_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on i-band.
i_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on i-band.
i_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on i-band.
i_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on i-band.
i_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on i-band.
i_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on i-band.
i_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on i-band.
i_pixelFlags_offimage	boolean		Source center is off image. Measured on i-band.
i_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on i-band.
i_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on i-band.
i_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on i-band.
i_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on i-band.
i_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on i-band.
i_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on i-band.
i_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on i-band.
i_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on i-band.
i_psfFlux_area	float	pixel	Effective area of PSF. Forced on i-band.
i_psfFlux_flag	boolean		General Failure Flag. Forced on i-band.
i_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on i-band.
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.
i_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on i-band.
i_ra	double	deg	Position in Right Ascension. Measured on i-band. [pos.eq.ra]
r_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on r-band.
r_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on r-band.
r_ap03Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on r-band.
r_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on r-band.
r_ap06Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on r-band.
r_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on r-band.
r_ap09Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on r-band.
r_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on r-band.
r_ap12Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on r-band.
r_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on r-band.
r_ap17Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on r-band.
r_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on r-band.
r_ap25Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on r-band.
r_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on r-band.
r_ap35Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on r-band.
r_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on r-band.
r_ap50Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on r-band.
r_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on r-band.
r_ap70Flux_flag	boolean		General Failure Flag. Forced on r-band.
r_apFlux_flag	boolean		General Failure Flag. Measured on r-band.
r_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on r-band.
r_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on r-band.
r_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on r-band.
r_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on r-band.
r_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on r-band.
r_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on r-band.
r_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on r-band.
r_bdFluxD	double	nJy	Flux from the exponential fit. Measured on r-band.
r_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on r-band.
r_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on r-band.
r_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on r-band.
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.
r_blendedness_flag	boolean		General Failure Flag. Measured on r-band.
r_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on r-band.
r_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on r-band.
r_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on r-band.
r_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on r-band.
r_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on r-band.
r_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on r-band.
r_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on r-band.
r_calibFlux_flag	boolean		General Failure Flag. Measured on r-band.
r_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on r-band.
r_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on r-band.
r_calib_astrometry_used	boolean		Propagated from sources. Measured on r-band.
r_calib_photometry_reserved	boolean		Propagated from sources. Measured on r-band.
r_calib_photometry_used	boolean		Propagated from sources. Measured on r-band.
r_calib_psf_candidate	boolean		Propagated from sources. Measured on r-band.
r_calib_psf_reserved	boolean		Propagated from sources. Measured on r-band.
r_calib_psf_used	boolean		Propagated from sources. Measured on r-band.
r_centroid_flag	boolean		General Failure Flag. Measured on r-band.
r_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on r-band.
r_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on r-band.
r_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on r-band.
r_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on r-band.
r_decl	double	deg	Position in Declination. Measured on r-band. [pos.eq.dec]
r_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on r-band.
r_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on r-band.
r_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on r-band.
r_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on r-band.
r_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on r-band.
r_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on r-band.
r_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on r-band.
r_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on r-band.
r_free_psfFlux_flag	boolean		General Failure Flag. Measured on r-band.
r_fwhm	double	pixel**2	HSM moments. Measured on r-band.
r_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaapFlux_flag	boolean		Set for any fatal failure. Forced on r-band.
r_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on r-band.
r_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on r-band.
r_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on r-band.
r_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on r-band.
r_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on r-band.
r_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band.
r_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band.
r_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on r-band.
r_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on r-band.
r_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on r-band.
r_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on r-band.
r_iRound_flag	double	pixel**2	HSM moments. Measured on r-band.
r_i_flag	boolean		General failure flag, set if anything went wrong. Measured on r-band.
r_inputCount	int		Number of images contributing at center, not including any clipping. Forced on r-band.
r_inputCount_flag	boolean		Set for any fatal failure. Forced on r-band.
r_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on r-band.
r_ixx	double	pixel**2	HSM moments. Measured on r-band.
r_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on r-band.
r_ixxPSF	double	pixel**2	HSM moments. Measured on r-band.
r_ixxRound	double	pixel**2	HSM moments. Measured on r-band.
r_ixy	double	pixel**2	HSM moments. Measured on r-band.
r_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on r-band.
r_ixyPSF	double	pixel**2	HSM moments. Measured on r-band.
r_ixyRound	double	pixel**2	HSM moments. Measured on r-band.
r_iyy	double	pixel**2	HSM moments. Measured on r-band.
r_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on r-band.
r_iyyPSF	double	pixel**2	HSM moments. Measured on r-band.
r_iyyRound	double	pixel**2	HSM moments. Measured on r-band.
r_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on r-band.
r_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on r-band.
r_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on r-band.
r_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on r-band.
r_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on r-band.
r_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on r-band.
r_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on r-band.
r_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on r-band.
r_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on r-band.
r_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on r-band.
r_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on r-band.
r_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on r-band.
r_kronRad	float		Kron radius (sqrt(a*b)). Measured on r-band.
r_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on r-band.
r_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on r-band.
r_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on r-band.
r_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on r-band.
r_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on r-band.
r_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on r-band.
r_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on r-band.
r_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on r-band.
r_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on r-band.
r_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on r-band.
r_pixelFlags_offimage	boolean		Source center is off image. Measured on r-band.
r_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on r-band.
r_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on r-band.
r_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on r-band.
r_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on r-band.
r_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on r-band.
r_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on r-band.
r_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on r-band.
r_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on r-band.
r_psfFlux_area	float	pixel	Effective area of PSF. Forced on r-band.
r_psfFlux_flag	boolean		General Failure Flag. Forced on r-band.
r_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on r-band.
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.
r_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on r-band.
r_ra	double	deg	Position in Right Ascension. Measured on r-band. [pos.eq.ra]
u_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on u-band.
u_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on u-band.
u_ap03Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on u-band.
u_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on u-band.
u_ap06Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on u-band.
u_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on u-band.
u_ap09Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on u-band.
u_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on u-band.
u_ap12Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on u-band.
u_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on u-band.
u_ap17Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on u-band.
u_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on u-band.
u_ap25Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on u-band.
u_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on u-band.
u_ap35Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on u-band.
u_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on u-band.
u_ap50Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on u-band.
u_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on u-band.
u_ap70Flux_flag	boolean		General Failure Flag. Forced on u-band.
u_apFlux_flag	boolean		General Failure Flag. Measured on u-band.
u_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on u-band.
u_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on u-band.
u_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on u-band.
u_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on u-band.
u_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on u-band.
u_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on u-band.
u_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on u-band.
u_bdFluxD	double	nJy	Flux from the exponential fit. Measured on u-band.
u_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on u-band.
u_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on u-band.
u_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on u-band.
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.
u_blendedness_flag	boolean		General Failure Flag. Measured on u-band.
u_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on u-band.
u_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on u-band.
u_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on u-band.
u_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on u-band.
u_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on u-band.
u_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on u-band.
u_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on u-band.
u_calibFlux_flag	boolean		General Failure Flag. Measured on u-band.
u_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on u-band.
u_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on u-band.
u_calib_astrometry_used	boolean		Propagated from sources. Measured on u-band.
u_calib_photometry_reserved	boolean		Propagated from sources. Measured on u-band.
u_calib_photometry_used	boolean		Propagated from sources. Measured on u-band.
u_calib_psf_candidate	boolean		Propagated from sources. Measured on u-band.
u_calib_psf_reserved	boolean		Propagated from sources. Measured on u-band.
u_calib_psf_used	boolean		Propagated from sources. Measured on u-band.
u_centroid_flag	boolean		General Failure Flag. Measured on u-band.
u_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on u-band.
u_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on u-band.
u_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on u-band.
u_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on u-band.
u_decl	double	deg	Position in Declination. Measured on u-band. [pos.eq.dec]
u_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on u-band.
u_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on u-band.
u_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on u-band.
u_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on u-band.
u_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on u-band.
u_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on u-band.
u_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on u-band.
u_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on u-band.
u_free_psfFlux_flag	boolean		General Failure Flag. Measured on u-band.
u_fwhm	double	pixel**2	HSM moments. Measured on u-band.
u_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaapFlux_flag	boolean		Set for any fatal failure. Forced on u-band.
u_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on u-band.
u_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on u-band.
u_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on u-band.
u_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on u-band.
u_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on u-band.
u_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band.
u_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band.
u_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on u-band.
u_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on u-band.
u_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on u-band.
u_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on u-band.
u_iRound_flag	double	pixel**2	HSM moments. Measured on u-band.
u_i_flag	boolean		General failure flag, set if anything went wrong. Measured on u-band.
u_inputCount	int		Number of images contributing at center, not including any clipping. Forced on u-band.
u_inputCount_flag	boolean		Set for any fatal failure. Forced on u-band.
u_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on u-band.
u_ixx	double	pixel**2	HSM moments. Measured on u-band.
u_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on u-band.
u_ixxPSF	double	pixel**2	HSM moments. Measured on u-band.
u_ixxRound	double	pixel**2	HSM moments. Measured on u-band.
u_ixy	double	pixel**2	HSM moments. Measured on u-band.
u_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on u-band.
u_ixyPSF	double	pixel**2	HSM moments. Measured on u-band.
u_ixyRound	double	pixel**2	HSM moments. Measured on u-band.
u_iyy	double	pixel**2	HSM moments. Measured on u-band.
u_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on u-band.
u_iyyPSF	double	pixel**2	HSM moments. Measured on u-band.
u_iyyRound	double	pixel**2	HSM moments. Measured on u-band.
u_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on u-band.
u_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on u-band.
u_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on u-band.
u_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on u-band.
u_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on u-band.
u_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on u-band.
u_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on u-band.
u_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on u-band.
u_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on u-band.
u_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on u-band.
u_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on u-band.
u_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on u-band.
u_kronRad	float		Kron radius (sqrt(a*b)). Measured on u-band.
u_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on u-band.
u_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on u-band.
u_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on u-band.
u_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on u-band.
u_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on u-band.
u_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on u-band.
u_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on u-band.
u_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on u-band.
u_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on u-band.
u_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on u-band.
u_pixelFlags_offimage	boolean		Source center is off image. Measured on u-band.
u_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on u-band.
u_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on u-band.
u_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on u-band.
u_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on u-band.
u_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on u-band.
u_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on u-band.
u_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on u-band.
u_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on u-band.
u_psfFlux_area	float	pixel	Effective area of PSF. Forced on u-band.
u_psfFlux_flag	boolean		General Failure Flag. Forced on u-band.
u_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on u-band.
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.
u_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on u-band.
u_ra	double	deg	Position in Right Ascension. Measured on u-band. [pos.eq.ra]
y_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on y-band.
y_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on y-band.
y_ap03Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on y-band.
y_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on y-band.
y_ap06Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on y-band.
y_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on y-band.
y_ap09Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on y-band.
y_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on y-band.
y_ap12Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on y-band.
y_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on y-band.
y_ap17Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on y-band.
y_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on y-band.
y_ap25Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on y-band.
y_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on y-band.
y_ap35Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on y-band.
y_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on y-band.
y_ap50Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on y-band.
y_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on y-band.
y_ap70Flux_flag	boolean		General Failure Flag. Forced on y-band.
y_apFlux_flag	boolean		General Failure Flag. Measured on y-band.
y_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on y-band.
y_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on y-band.
y_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on y-band.
y_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on y-band.
y_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on y-band.
y_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on y-band.
y_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on y-band.
y_bdFluxD	double	nJy	Flux from the exponential fit. Measured on y-band.
y_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on y-band.
y_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on y-band.
y_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on y-band.
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.
y_blendedness_flag	boolean		General Failure Flag. Measured on y-band.
y_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on y-band.
y_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on y-band.
y_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on y-band.
y_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on y-band.
y_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on y-band.
y_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on y-band.
y_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on y-band.
y_calibFlux_flag	boolean		General Failure Flag. Measured on y-band.
y_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on y-band.
y_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on y-band.
y_calib_astrometry_used	boolean		Propagated from sources. Measured on y-band.
y_calib_photometry_reserved	boolean		Propagated from sources. Measured on y-band.
y_calib_photometry_used	boolean		Propagated from sources. Measured on y-band.
y_calib_psf_candidate	boolean		Propagated from sources. Measured on y-band.
y_calib_psf_reserved	boolean		Propagated from sources. Measured on y-band.
y_calib_psf_used	boolean		Propagated from sources. Measured on y-band.
y_centroid_flag	boolean		General Failure Flag. Measured on y-band.
y_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on y-band.
y_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on y-band.
y_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on y-band.
y_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on y-band.
y_decl	double	deg	Position in Declination. Measured on y-band. [pos.eq.dec]
y_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on y-band.
y_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on y-band.
y_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on y-band.
y_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on y-band.
y_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on y-band.
y_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on y-band.
y_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on y-band.
y_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on y-band.
y_free_psfFlux_flag	boolean		General Failure Flag. Measured on y-band.
y_fwhm	double	pixel**2	HSM moments. Measured on y-band.
y_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaapFlux_flag	boolean		Set for any fatal failure. Forced on y-band.
y_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on y-band.
y_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on y-band.
y_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on y-band.
y_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on y-band.
y_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on y-band.
y_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band.
y_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band.
y_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on y-band.
y_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on y-band.
y_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on y-band.
y_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on y-band.
y_iRound_flag	double	pixel**2	HSM moments. Measured on y-band.
y_i_flag	boolean		General failure flag, set if anything went wrong. Measured on y-band.
y_inputCount	int		Number of images contributing at center, not including any clipping. Forced on y-band.
y_inputCount_flag	boolean		Set for any fatal failure. Forced on y-band.
y_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on y-band.
y_ixx	double	pixel**2	HSM moments. Measured on y-band.
y_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on y-band.
y_ixxPSF	double	pixel**2	HSM moments. Measured on y-band.
y_ixxRound	double	pixel**2	HSM moments. Measured on y-band.
y_ixy	double	pixel**2	HSM moments. Measured on y-band.
y_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on y-band.
y_ixyPSF	double	pixel**2	HSM moments. Measured on y-band.
y_ixyRound	double	pixel**2	HSM moments. Measured on y-band.
y_iyy	double	pixel**2	HSM moments. Measured on y-band.
y_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on y-band.
y_iyyPSF	double	pixel**2	HSM moments. Measured on y-band.
y_iyyRound	double	pixel**2	HSM moments. Measured on y-band.
y_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on y-band.
y_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on y-band.
y_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on y-band.
y_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on y-band.
y_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on y-band.
y_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on y-band.
y_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on y-band.
y_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on y-band.
y_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on y-band.
y_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on y-band.
y_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on y-band.
y_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on y-band.
y_kronRad	float		Kron radius (sqrt(a*b)). Measured on y-band.
y_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on y-band.
y_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on y-band.
y_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on y-band.
y_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on y-band.
y_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on y-band.
y_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on y-band.
y_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on y-band.
y_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on y-band.
y_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on y-band.
y_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on y-band.
y_pixelFlags_offimage	boolean		Source center is off image. Measured on y-band.
y_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on y-band.
y_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on y-band.
y_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on y-band.
y_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on y-band.
y_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on y-band.
y_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on y-band.
y_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on y-band.
y_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on y-band.
y_psfFlux_area	float	pixel	Effective area of PSF. Forced on y-band.
y_psfFlux_flag	boolean		General Failure Flag. Forced on y-band.
y_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on y-band.
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.
y_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on y-band.
y_ra	double	deg	Position in Right Ascension. Measured on y-band. [pos.eq.ra]
z_ap03Flux	double	nJy	Flux within 3.0-pixel aperture. Forced on z-band.
z_ap03FluxErr	double	nJy	Flux uncertainty within 3.0-pixel aperture. Forced on z-band.
z_ap03Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap06Flux	double	nJy	Flux within 6.0-pixel aperture. Forced on z-band.
z_ap06FluxErr	double	nJy	Flux uncertainty within 6.0-pixel aperture. Forced on z-band.
z_ap06Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap09Flux	double	nJy	Flux within 9.0-pixel aperture. Forced on z-band.
z_ap09FluxErr	double	nJy	Flux uncertainty within 9.0-pixel aperture. Forced on z-band.
z_ap09Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap12Flux	double	nJy	Flux within 12.0-pixel aperture. Forced on z-band.
z_ap12FluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Forced on z-band.
z_ap12Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap17Flux	double	nJy	Flux within 17.0-pixel aperture. Forced on z-band.
z_ap17FluxErr	double	nJy	Flux uncertainty within 17.0-pixel aperture. Forced on z-band.
z_ap17Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap25Flux	double	nJy	Flux within 25.0-pixel aperture. Forced on z-band.
z_ap25FluxErr	double	nJy	Flux uncertainty within 25.0-pixel aperture. Forced on z-band.
z_ap25Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap35Flux	double	nJy	Flux within 35.0-pixel aperture. Forced on z-band.
z_ap35FluxErr	double	nJy	Flux uncertainty within 35.0-pixel aperture. Forced on z-band.
z_ap35Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap50Flux	double	nJy	Flux within 50.0-pixel aperture. Forced on z-band.
z_ap50FluxErr	double	nJy	Flux uncertainty within 50.0-pixel aperture. Forced on z-band.
z_ap50Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_ap70Flux	double	nJy	Flux within 70.0-pixel aperture. Forced on z-band.
z_ap70FluxErr	double	nJy	Flux uncertainty within 70.0-pixel aperture. Forced on z-band.
z_ap70Flux_flag	boolean		General Failure Flag. Forced on z-band.
z_apFlux_flag	boolean		General Failure Flag. Measured on z-band.
z_apFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on z-band.
z_apFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on z-band.
z_bdChi2	double		-ln(likelihood) (chi^2) in cmodel fit. Measured on z-band.
z_bdE1	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on z-band.
z_bdE2	double	pixel**2	FracDev-weighted average of exp.ellipse and dev.ellipse. Measured on z-band.
z_bdFluxB	double	nJy	Flux from the de Vaucouleurs fit. Measured on z-band.
z_bdFluxBErr	double	nJy	Flux uncertainty from the de Vaucouleurs fit. Measured on z-band.
z_bdFluxD	double	nJy	Flux from the exponential fit. Measured on z-band.
z_bdFluxDErr	double	nJy	Flux uncertainty from the exponential fit. Measured on z-band.
z_bdReB	double	pixel**2	Half-light ellipse of the de Vaucouleurs fit. Measured on z-band.
z_bdReD	double	pixel**2	Half-light ellipse of the exponential fit. Measured on z-band.
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.
z_blendedness_flag	boolean		General Failure Flag. Measured on z-band.
z_cModelFlux	double	nJy	Flux from the final cmodel fit. Forced on z-band.
z_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Forced on z-band.
z_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Forced on z-band.
z_cModel_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Forced on z-band.
z_cModel_flag_apCorr	boolean		Set if unable to aperture correct modelfit_CModel. Forced on z-band.
z_calibFlux	double	nJy	Flux within 12.0-pixel aperture. Measured on z-band.
z_calibFluxErr	double	nJy	Flux uncertainty within 12.0-pixel aperture. Measured on z-band.
z_calibFlux_flag	boolean		General Failure Flag. Measured on z-band.
z_calibFlux_flag_apertureTruncated	boolean		Aperture did not fit within measurement image. Measured on z-band.
z_calibFlux_flag_sincCoeffsTruncated	boolean		Full sinc coefficient image did not fit within measurement image. Measured on z-band.
z_calib_astrometry_used	boolean		Propagated from sources. Measured on z-band.
z_calib_photometry_reserved	boolean		Propagated from sources. Measured on z-band.
z_calib_photometry_used	boolean		Propagated from sources. Measured on z-band.
z_calib_psf_candidate	boolean		Propagated from sources. Measured on z-band.
z_calib_psf_reserved	boolean		Propagated from sources. Measured on z-band.
z_calib_psf_used	boolean		Propagated from sources. Measured on z-band.
z_centroid_flag	boolean		General Failure Flag. Measured on z-band.
z_centroid_x	double	pixel	Centroid from SDSS Centroid algorithm. Measured on z-band.
z_centroid_xErr	float	pixel	1-sigma uncertainty on x position. Measured on z-band.
z_centroid_y	double	pixel	Centroid from SDSS Centroid algorithm. Measured on z-band.
z_centroid_yErr	float	pixel	1-sigma uncertainty on y position. Measured on z-band.
z_decl	double	deg	Position in Declination. Measured on z-band. [pos.eq.dec]
z_extendedness	double		Set to 1 for extended sources, 0 for point sources. Measured on z-band.
z_extendedness_flag	boolean		Set to 1 for any fatal failure. Measured on z-band.
z_free_cModelFlux	double	nJy	Flux from the final cmodel fit. Measured on z-band.
z_free_cModelFluxErr	double	nJy	Flux uncertainty from the final cmodel fit. Measured on z-band.
z_free_cModelFlux_flag	boolean		Flag set if the final cmodel fit (or any previous fit) failed. Measured on z-band.
z_free_cModelFlux_inner	double	nJy	Flux within the fit region, with no extrapolation. Measured on z-band.
z_free_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Measured on z-band.
z_free_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Measured on z-band.
z_free_psfFlux_flag	boolean		General Failure Flag. Measured on z-band.
z_fwhm	double	pixel**2	HSM moments. Measured on z-band.
z_gaap0p5Flux	double	nJy	GaaP flux with 0.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap0p5FluxErr	double	nJy	GaaP flux uncertainty with 0.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap0p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaap0p7Flux	double	nJy	GaaP flux with 0.7 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap0p7FluxErr	double	nJy	GaaP flux uncertainty with 0.7 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap0p7Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaap1p0Flux	double	nJy	GaaP flux with 1.0 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap1p0FluxErr	double	nJy	GaaP flux uncertainty with 1.0 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap1p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaap1p5Flux	double	nJy	GaaP flux with 1.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap1p5FluxErr	double	nJy	GaaP flux uncertainty with 1.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap1p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaap2p5Flux	double	nJy	GaaP flux with 2.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap2p5FluxErr	double	nJy	GaaP flux uncertainty with 2.5 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap2p5Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaap3p0Flux	double	nJy	GaaP flux with 3.0 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap3p0FluxErr	double	nJy	GaaP flux uncertainty with 3.0 aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaap3p0Flux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaapFlux_flag	boolean		Set for any fatal failure. Forced on z-band.
z_gaapFlux_flag_edge	boolean		Source is too close to the edge. Forced on z-band.
z_gaapFlux_flag_gaussianization	boolean		PSF Gaussianization failed when trying to scale by this factor. Forced on z-band.
z_gaapOptimalFlux	double	nJy	GaaP flux with optimal aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaapOptimalFluxErr	double	nJy	GaaP flux uncertainty with optimal aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaapOptimalFlux_flag_bigPsf	boolean		The Gaussianized PSF is bigger than the aperture. Forced on z-band.
z_gaapPsfFlux	double	nJy	GaaP flux with PSF aperture after multiplying the seeing by 1.15. Forced on z-band.
z_gaapPsfFluxErr	double	nJy	GaaP flux uncertainty with PSF aperture after multiplying the seeing by 1.15. Forced on z-band.
z_hsmShapeRegauss_e1	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band.
z_hsmShapeRegauss_e2	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band.
z_hsmShapeRegauss_flag	boolean		General failure flag, set if anything went wrong. Measured on z-band.
z_hsmShapeRegauss_sigma	double		PSF-corrected shear using Hirata & Seljak (2003) regaussianization. Measured on z-band.
z_iDebiasedPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on z-band.
z_iPSF_flag	boolean		General failure flag, set if anything went wrong. Measured on z-band.
z_iRound_flag	double	pixel**2	HSM moments. Measured on z-band.
z_i_flag	boolean		General failure flag, set if anything went wrong. Measured on z-band.
z_inputCount	int		Number of images contributing at center, not including any clipping. Forced on z-band.
z_inputCount_flag	boolean		Set for any fatal failure. Forced on z-band.
z_inputCount_flag_noInputs	boolean		No coadd inputs available. Forced on z-band.
z_ixx	double	pixel**2	HSM moments. Measured on z-band.
z_ixxDebiasedPSF	double	pixel**2	HSM moments. Measured on z-band.
z_ixxPSF	double	pixel**2	HSM moments. Measured on z-band.
z_ixxRound	double	pixel**2	HSM moments. Measured on z-band.
z_ixy	double	pixel**2	HSM moments. Measured on z-band.
z_ixyDebiasedPSF	double	pixel**2	HSM moments. Measured on z-band.
z_ixyPSF	double	pixel**2	HSM moments. Measured on z-band.
z_ixyRound	double	pixel**2	HSM moments. Measured on z-band.
z_iyy	double	pixel**2	HSM moments. Measured on z-band.
z_iyyDebiasedPSF	double	pixel**2	HSM moments. Measured on z-band.
z_iyyPSF	double	pixel**2	HSM moments. Measured on z-band.
z_iyyRound	double	pixel**2	HSM moments. Measured on z-band.
z_kronFlux	double	nJy	Flux from Kron Flux algorithm. Measured on z-band.
z_kronFluxErr	double	nJy	Flux uncertainty from Kron Flux algorithm. Measured on z-band.
z_kronFlux_flag	boolean		General failure flag, set if anything went wrong. Measured on z-band.
z_kronFlux_flag_bad_radius	boolean		Bad Kron radius. Measured on z-band.
z_kronFlux_flag_bad_shape	boolean		Shape for measuring Kron radius is bad; used PSF shape. Measured on z-band.
z_kronFlux_flag_bad_shape_no_psf	boolean		Bad shape and no PSF. Measured on z-band.
z_kronFlux_flag_edge	boolean		Bad measurement due to image edge. Measured on z-band.
z_kronFlux_flag_no_fallback_radius	boolean		No minimum radius and no PSF provided. Measured on z-band.
z_kronFlux_flag_no_minimum_radius	boolean		Minimum radius could not be enforced, no minimum value or PSF. Measured on z-band.
z_kronFlux_flag_small_radius	boolean		Measured Kron radius was smaller than that of the PSF. Measured on z-band.
z_kronFlux_flag_used_minimum_radius	boolean		Used the minimum radius for the Kron aperture. Measured on z-band.
z_kronFlux_flag_used_psf_radius	boolean		Used the PSF Kron radius for the Kron aperture. Measured on z-band.
z_kronRad	float		Kron radius (sqrt(a*b)). Measured on z-band.
z_pixelFlags_bad	boolean		Bad pixel in the Source footprint. Measured on z-band.
z_pixelFlags_clipped	boolean		Source footprint includes CLIPPED pixels. Measured on z-band.
z_pixelFlags_clippedCenter	boolean		Source center is close to CLIPPED pixels. Measured on z-band.
z_pixelFlags_cr	boolean		Cosmic ray in the Source footprint. Measured on z-band.
z_pixelFlags_crCenter	boolean		Cosmic ray in the Source center. Measured on z-band.
z_pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA). Measured on z-band.
z_pixelFlags_inexact_psf	boolean		Source footprint includes INEXACT_PSF pixels. Measured on z-band.
z_pixelFlags_inexact_psfCenter	boolean		Source center is close to INEXACT_PSF pixels. Measured on z-band.
z_pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint. Measured on z-band.
z_pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center. Measured on z-band.
z_pixelFlags_offimage	boolean		Source center is off image. Measured on z-band.
z_pixelFlags_saturated	boolean		Saturated pixel in the Source footprint. Measured on z-band.
z_pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center. Measured on z-band.
z_pixelFlags_sensor_edge	boolean		Source footprint includes SENSOR_EDGE pixels. Measured on z-band.
z_pixelFlags_sensor_edgeCenter	boolean		Source center is close to SENSOR_EDGE pixels. Measured on z-band.
z_pixelFlags_suspect	boolean		Source's footprint includes suspect pixels. Measured on z-band.
z_pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels. Measured on z-band.
z_psfFlux	double	nJy	Flux derived from linear least-squares fit of PSF model. Forced on z-band.
z_psfFluxErr	double	nJy	Flux uncertainty derived from linear least-squares fit of PSF model. Forced on z-band.
z_psfFlux_area	float	pixel	Effective area of PSF. Forced on z-band.
z_psfFlux_flag	boolean		General Failure Flag. Forced on z-band.
z_psfFlux_flag_apCorr	boolean		Set if unable to aperture correct base_PsfFlux. Forced on z-band.
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.
z_psfFlux_flag_noGoodPixels	boolean		Not enough non-rejected pixels in data to attempt the fit. Forced on z-band.
z_ra	double	deg	Position in Right Ascension. Measured on z-band. [pos.eq.ra]

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]
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]
forcedSourceId	long		Unique ID of forced source. Primary Key. [meta.id;meta.main]
objectId	long		Unique Object ID. Primary Key of the Object Table [meta.id]
parentObjectId	long		Unique ObjectId of the parent of the ObjectId in context of the deblender. [meta.id.parent]
coord_ra	double	deg	Fiducial ICRS Right Ascension of Object centroid used for database indexing [pos.eq.ra;meta.main]
coord_dec	double	deg	Fiducial ICRS Declination of Object centroid used for database indexing [pos.eq.dec;meta.main]
skymap	char		Name of skymap used for coadd projection
tract	long		Skymap tract ID [meta.id]
patch	long		Skymap patch ID [meta.id.part]
band	char		Abstract filter that is not associated with a particular instrument [meta.id;instr.filter]
ccdVisitId	long		Unique ID of visit and detector for which forced photometry was performed. Primary Key of the CcdVisit Table. [meta.id;obs.image]
detect_isPatchInner	boolean		True if Object seed is in the inner region of a coadd patch [meta.code]
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]
detect_isTractInner	boolean		True if Object seed is in the inner region of a coadd tract [meta.code]
localBackground_instFluxErr	double	count	1-sigma uncertainty on the background in an annulus around source [stat.error;phot.count]
localBackground_instFlux	double	count	Background in annulus around source [phot.count]
localPhotoCalibErr	double		Uncertainty on the local approximation of the PhotoCalib calibration factor at the location of the src. [stat.error;phot.calib]
localPhotoCalib_flag	boolean		Set for any fatal failure [meta.code.qual]
localPhotoCalib	double		Local approximation of the PhotoCalib calibration factor at the location of the src. [phot.calib]
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]
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]
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]
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]
localWcs_flag	boolean		Set for any fatal failure [meta.code.qual]
pixelFlags_bad	boolean		Bad pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_crCenter	boolean		Cosmic ray in the Source center [meta.code.qual;instr.pixel]
pixelFlags_cr	boolean		Cosmic ray in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA) [meta.code.qual;instr.pixel]
pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center [meta.code.qual;instr.pixel]
pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center [meta.code.qual;instr.pixel]
pixelFlags_saturated	boolean		Saturated pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels [meta.code.qual;instr.pixel]
pixelFlags_suspect	boolean		Source's footprint includes suspect pixels [meta.code.qual;instr.pixel]
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]
psfDiffFlux_flag	boolean		Failure to derive linear least-squares fit of psf model forced on the image difference [meta.code.qual]
psfDiffFlux	double	nJy	Flux derived from linear least-squares fit of psf model forced on the image difference [phot.flux]
psfFluxErr	double	nJy	Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp [stat.error;phot.flux]
psfFlux_flag	boolean		Failure to derive linear least-squares fit of psf model forced on the calexp [meta.code.qual]
psfFlux	double	nJy	Flux derived from linear least-squares fit of psf model forced on the calexp [phot.flux]

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]
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]
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]
band	char		Abstract filter that is not associated with a particular instrument [meta.id;instr.filter]
ccdVisitId	long		Unique ID of visit and detector for which forced photometry was performed. Primary Key of the CcdVisit Table. [meta.id;obs.image]
coord_dec	double	deg	Fiducial ICRS Declination of DiaObject centroid used for database indexing [pos.eq.dec;meta.main]
coord_ra	double	deg	Fiducial ICRS Right Ascension of DiaObject centroid used for database indexing [pos.eq.ra;meta.main]
diaObjectId	long		Unique DiaObject ID. Primary Key of the DiaObject Table [meta.id;src]
forcedSourceOnDiaObjectId	long		Unique ID of forced source. Primary Key. [meta.id;src;meta.main]
localBackground_instFlux	double	count	Background in annulus around source [phot.count]
localBackground_instFluxErr	double	count	1-sigma uncertainty on the background in an annulus around source [stat.error;phot.count]
localPhotoCalib	double		Local approximation of the PhotoCalib calibration factor at the location of the src. [phot.calib]
localPhotoCalibErr	double		Uncertainty on the local approximation of the PhotoCalib calibration factor at the location of the src. [stat.error;phot.calib]
localPhotoCalib_flag	boolean		Set for any fatal failure [meta.code.qual]
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]
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]
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]
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]
localWcs_flag	boolean		Set for any fatal failure [meta.code.qual]
parentObjectId	long		Unique ObjectId of the parent of the ObjectId in context of the deblender. [meta.id.parent]
patch	long		Skymap patch ID [meta.id.part;obs.field]
pixelFlags_bad	boolean		Bad pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_cr	boolean		Cosmic ray in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_crCenter	boolean		Cosmic ray in the Source center [meta.code.qual;instr.pixel]
pixelFlags_edge	boolean		Source is outside usable exposure region (masked EDGE or NO_DATA) [meta.code.qual;instr.pixel]
pixelFlags_interpolated	boolean		Interpolated pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_interpolatedCenter	boolean		Interpolated pixel in the Source center [meta.code.qual;instr.pixel]
pixelFlags_saturated	boolean		Saturated pixel in the Source footprint [meta.code.qual;instr.pixel]
pixelFlags_saturatedCenter	boolean		Saturated pixel in the Source center [meta.code.qual;instr.pixel]
pixelFlags_suspect	boolean		Source's footprint includes suspect pixels [meta.code.qual;instr.pixel]
pixelFlags_suspectCenter	boolean		Source's center is close to suspect pixels [meta.code.qual;instr.pixel]
psfDiffFlux	double	nJy	Flux derived from linear least-squares fit of psf model forced on the image difference [phot.flux]
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]
psfDiffFlux_flag	boolean		Failure to derive linear least-squares fit of psf model forced on the image difference [meta.code.qual]
psfFlux	double	nJy	Flux derived from linear least-squares fit of psf model forced on the calexp [phot.flux]
psfFluxErr	double	nJy	Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp [stat.error;phot.flux]
psfFlux_flag	boolean		Failure to derive linear least-squares fit of psf model forced on the calexp [meta.code.qual]
skymap	char		Name of skymap used for coadd projection
tract	long		Skymap tract ID [meta.id;obs.field]

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]
visit	long		Unique identifier. [meta.id;obs;meta.main]
physical_filter	char		ID of physical filter, the filter associated with a particular instrument. [meta.id;instr.filter]
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]
ra	double	deg	RA of focal plane center. [pos.eq.ra;meta.main]
decl	double	deg	Declination of focal plane center [pos.eq.dec;meta.main]
skyRotation	double	deg	Sky rotation angle. [pos.posAng]
azimuth	double	deg	Azimuth of focal plane center at the middle of the exposure. [pos.az.azi]
altitude	double	deg	Altitude of focal plane center at the middle of the exposure. [pos.az.alt]
zenithDistance	double	deg	Zenith distance at the middle of the exposure. [pos.az.zd]
airmass	double		Airmass of the observed line of sight. [obs.airMass]
expTime	double	s	Spatially-averaged duration of exposure, accurate to 10ms. [time.duration;obs.exposure]
expMidpt	timestamp		Midpoint time for exposure at the fiducial center of the focal plane array. TAI, accurate to 10ms.
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]
obsStart	timestamp		Start time of the exposure at the fiducial center of the focal plane array, TAI, accurate to 10ms. [time.start;obs.exposure]
obsStartMJD	double	d	Start of the exposure in MJD, TAI, accurate to 10ms. [time.start;obs.exposure]

CcdVisit

Metadata about the 189 individual CCD images for each Visit in the DC2 simulated survey.

Column Name	Data Type	Unit	Description [UCD]
ccdVisitId	long		Primary key (unique identifier). [meta.id;obs.image;meta.main]
visitId	long		Reference to the corresponding entry in the Visit table. [meta.id.parent;obs]
physical_filter	char		ID of physical filter, the filter associated with a particular instrument. [meta.id;instr.filter]
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]
ra	double	deg	RA of CCD center. [pos.eq.ra;meta.main]
decl	double	deg	Declination of CCD center. [pos.eq.dec;meta.main]
zenithDistance	float	deg	Zenith distance at observation mid-point. [pos.az.zd]
zeroPoint	float	mag	Zero-point for the CCD, estimated at CCD center. [arith.zp;instr.calib]
psfSigma	float	pixel	PSF model second-moments determinant radius (center of chip) [stat.stdev;instr.det.psf]
skyBg	float	adu	Average sky background. [instr.skyLevel]
skyNoise	float	adu	RMS noise of the sky background. [stat.rms;instr.skyLevel]
detector	long		Detector ID. A detector associated with a particular instrument (not an observation of that detector) [meta.id.part;instr.det]
seeing	double	arcsec	Mean measured FWHM of the PSF. [instr.obsty.seeing]
skyRotation	double	deg	Sky rotation angle. [pos.posAng]
expMidpt	timestamp		Midpoint for exposure. TAI, accurate to 10ms.
expMidptMJD	double	d	Midpoint for exposure in MJD. TAI, accurate to 10ms. [time.epoch;obs.exposure]
expTime	double	s	Spatially-averaged duration of exposure, accurate to 10ms. [time.duration;obs.exposure]
obsStart	timestamp		Start of the exposure, TAI, accurate to 10ms. [time.start;obs.exposure]
obsStartMJD	double	d	Start of the exposure in MJD, TAI, accurate to 10ms. [time.start;obs.exposure]
darkTime	double	s	Average dark current accumulation time, accurate to 10ms. [time.duration;obs.calib.dark]
xSize	long	pixel	Number of columns in the image. [meta.number;instr.det]
ySize	long	pixel	Number of rows in the image. [meta.number;instr.det]
llcra	double	deg	RA of lower left corner. [pos.eq.ra;pos.outline;obs.field]
llcdec	double	deg	Declination of lower left corner. [pos.eq.dec;pos.outline;obs.field]
ulcra	double	deg	RA of upper left corner. [pos.eq.ra;pos.outline;obs.field]
ulcdec	double	deg	Declination of upper left corner. [pos.eq.dec;pos.outline;obs.field]
urcra	double	deg	RA of upper right corner. [pos.eq.ra;pos.outline;obs.field]
urcdec	double	deg	Declination of upper right corner. [pos.eq.dec;pos.outline;obs.field]
lrcra	double	deg	RA of lower right corner. [pos.eq.ra;pos.outline;obs.field]
lrcdec	double	deg	Declination of lower right corner. [pos.eq.dec;pos.outline;obs.field]

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]
lsst_tract	long		ID number of the top level, 'tract', within the standard LSST skymap [meta.id;obs.field]
lsst_patch	long		ID number of the second level, 'patch', within the standard LSST skymap [meta.id.part;obs.field]
s_ra	double	deg	Central Spatial Position in ICRS; Right ascension [pos.eq.ra]
s_dec	double	deg	Central Spatial Position in ICRS; Declination [pos.eq.dec]
s_region	char		Sky region covered by the coadd (expressed in ICRS frame) [pos.outline;obs.field]

MatchesTruth

Match information for TruthSummary objects.

Column Name	Data Type	Unit	Description [UCD]
match_candidate	boolean		True for sources that were selected for matching
match_count	int		Number of candidate object matches within match radius
match_chisq	double		The chi-squared value of the (best) match
match_n_chisq_finite	int		The number of finite columns used to compute the match chisq
id	char		id for TruthSummary source. Potentially non-unique; use id_truth_type for JOINs. [meta.id.assoc]
truth_type	int		Type of TruthSummary source; 1 for galaxies, 2 for stars, and 3 for SNe
match_objectId	long		objectId of matched entry in the Object table, if any [meta.id.assoc]
id_truth_type	char		Combination of TruthSummary id and truth_type fields, used for JOINs. [meta.id.assoc]

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]
id_truth_type	char		Combination of id and truth_type fields, used for JOINs with MatchesTruth. [meta.id]
id	char		Unique object ID [meta.id;meta.main]
host_galaxy	long		ID of the host galaxy for a SN/AGN entry (-1 for other truth types)
ra	double	deg	Right Ascension [pos.eq.ra]
dec	double	deg	Declination [pos.eq.dec]
redshift	float		Redshift
is_variable	int		1 for a variable source
is_pointsource	int		1 for a point source
flux_u	float	nJy	Static flux value in u
flux_g	float	nJy	Static flux value in g
flux_r	float	nJy	Static flux value in r
flux_i	float	nJy	Static flux value in i
flux_z	float	nJy	Static flux value in z
flux_y	float	nJy	Static flux value in y
flux_u_noMW	float	nJy	Static flux value in u, without Milky Way extinction (i.e., dereddened)
flux_g_noMW	float	nJy	Static flux value in g, without Milky Way extinction (i.e., dereddened)
flux_r_noMW	float	nJy	Static flux value in r, without Milky Way extinction (i.e., dereddened)
flux_i_noMW	float	nJy	Static flux value in i, without Milky Way extinction (i.e., dereddened)
flux_z_noMW	float	nJy	Static flux value in z, without Milky Way extinction (i.e., dereddened)
flux_y_noMW	float	nJy	Static flux value in y, without Milky Way extinction (i.e., dereddened)
mag_r	float	mag	Magnitude in r
cosmodc2_hp	long		Healpix ID in cosmoDC2 (for galaxies only; -1 for stars and SNe)
cosmodc2_id	long		Galaxy ID in cosmoDC2 (for galaxies only; -1 for stars and SNe)
truth_type	long		1 for galaxies, 2 for stars, and 3 for SNe

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