visit1_quicklook

Information from Summit Rapid Analysis about each visit in visit system 1 (visit per exposure); describes processed visit images (or calibrated exposures)

Columns

name datatype description unit nullable ivoa:ucd
visit_id foreign key long Unique identifier. false
day_obs primary key foreign key int Day of observation. false meta.id.part
seq_num primary key foreign key int Sequence number. false meta.id.part
n_inputs int Number of CCDs used to compute the visit aggregates. true
pixel_scale_min float Measured detector pixel scale (minimum across all detectors). arcsec/pixel true
pixel_scale_max float Measured detector pixel scale (maximum across all detectors). arcsec/pixel true
pixel_scale_median float Measured detector pixel scale (median across all detectors). arcsec/pixel true
astrom_offset_mean_min float Mean offset of astrometric calibration matches (minimum across all detectors). arcsec true
astrom_offset_mean_max float Mean offset of astrometric calibration matches (maximum across all detectors). arcsec true
astrom_offset_mean_median float Mean offset of astrometric calibration matches (median across all detectors). arcsec true
astrom_offset_std_min float Standard deviation of offsets of astrometric calibration matches (minimum across all detectors). arcsec true
astrom_offset_std_max float Standard deviation of offsets of astrometric calibration matches (maximum across all detectors). arcsec true
astrom_offset_std_median float Standard deviation of offsets of astrometric calibration matches (median across all detectors). arcsec true
eff_time_min float Effective exposure time (minimum across all detectors). s true
eff_time_max float Effective exposure time (maximum across all detectors). s true
eff_time_median float Effective exposure time (median across all detectors). s true
eff_time_psf_sigma_scale_min float Scale factor for effective exposure time based on PSF sigma (minimum across all detectors). true
eff_time_psf_sigma_scale_max float Scale factor for effective exposure time based on PSF sigma (maximum across all detectors). true
eff_time_psf_sigma_scale_median float Scale factor for effective exposure time based on PSF sigma (median across all detectors). true
eff_time_sky_bg_scale_min float Scale factor for effective exposure time based on sky background (minimum across all detectors). true
eff_time_sky_bg_scale_max float Scale factor for effective exposure time based on sky background (maximum across all detectors). true
eff_time_sky_bg_scale_median float Scale factor for effective exposure time based on sky background (median across all detectors). true
eff_time_zero_point_scale_min float Scale factor for effective exposure time based on zero point (minimum across all detectors). true
eff_time_zero_point_scale_max float Scale factor for effective exposure time based on zero point (maximum across all detectors). true
eff_time_zero_point_scale_median float Scale factor for effective exposure time based on zero point (median across all detectors). true
stats_mag_lim_min float Magnitude limit at fixed SNR (default SNR=5) calculated from exposure summary stats (minimum across all detectors). mag true
stats_mag_lim_max float Magnitude limit at fixed SNR (default SNR=5) calculated from exposure summary stats (maximum across all detectors). mag true
stats_mag_lim_median float Magnitude limit at fixed SNR (default SNR=5) calculated from exposure summary stats (median across all detectors). mag true
psf_ap_flux_delta_min float Delta (max - min) of model psf aperture flux (with aperture radius of max(2, 3*psfSigma)) values evaluated on a grid of unmasked pixels (minimum across all detectors). true
psf_ap_flux_delta_max float Delta (max - min) of model psf aperture flux (with aperture radius of max(2, 3*psfSigma)) values evaluated on a grid of unmasked pixels (maximum across all detectors). true
psf_ap_flux_delta_median float Delta (max - min) of model psf aperture flux (with aperture radius of max(2, 3*psfSigma)) values evaluated on a grid of unmasked pixels (median across all detectors). true
psf_ap_corr_sigma_scaled_delta_min float Delta (max - min) of psf flux aperture correction factors scaled (divided) by the psfSigma evaluated on a grid of unmasked pixels (minimum across all detectors). true
psf_ap_corr_sigma_scaled_delta_max float Delta (max - min) of psf flux aperture correction factors scaled (divided) by the psfSigma evaluated on a grid of unmasked pixels (maximum across all detectors). true
psf_ap_corr_sigma_scaled_delta_median float Delta (max - min) of psf flux aperture correction factors scaled (divided) by the psfSigma evaluated on a grid of unmasked pixels (median across all detectors). true
max_dist_to_nearest_psf_min float Maximum distance of an unmasked pixel to its nearest model PSF star (minimum across all detectors). true
max_dist_to_nearest_psf_max float Maximum distance of an unmasked pixel to its nearest model PSF star (maximum across all detectors). true
max_dist_to_nearest_psf_median float Maximum distance of an unmasked pixel to its nearest model PSF star (median across all detectors). true
mean_var_min float Mean of the variance plane (minimum across all detectors). true
mean_var_max float Mean of the variance plane (maximum across all detectors). true
mean_var_median float Mean of the variance plane (median across all detectors). true
n_psf_star_min int Number of stars used for PSF model (minimum across all detectors). true
n_psf_star_max int Number of stars used for PSF model (maximum across all detectors). true
n_psf_star_median int Number of stars used for PSF model (median across all detectors). true
n_psf_star_total int Number of stars used for PSF model (total across all detectors). true
psf_area_min float PSF area (minimum across all detectors). true
psf_area_max float PSF area (maximum across all detectors). true
psf_area_median float PSF area (median across all detectors). true
psf_ixx_min float PSF Ixx moment (minimum across all detectors). true
psf_ixx_max float PSF Ixx moment (maximum across all detectors). true
psf_ixx_median float PSF Ixx moment (median across all detectors). true
psf_ixy_min float PSF Ixy moment (minimum across all detectors). true
psf_ixy_max float PSF Ixy moment (maximum across all detectors). true
psf_ixy_median float PSF Ixy moment (median across all detectors). true
psf_iyy_min float PSF Iyy moment (minimum across all detectors). true
psf_iyy_max float PSF Iyy moment (maximum across all detectors). true
psf_iyy_median float PSF Iyy moment (median across all detectors). true
psf_sigma_min float PSF sigma (minimum across all detectors). true
psf_sigma_max float PSF sigma (maximum across all detectors). true
psf_sigma_median float PSF sigma (median across all detectors). true
psf_star_delta_e1_median_min float Median E1 residual (starE1 - psfE1) for PSF stars (minimum across all detectors). true
psf_star_delta_e1_median_max float Median E1 residual (starE1 - psfE1) for PSF stars (maximum across all detectors). true
psf_star_delta_e1_median_median float Median E1 residual (starE1 - psfE1) for PSF stars (median across all detectors). true
psf_star_delta_e1_scatter_min float Scatter (via MAD) of E1 residual (starE1 - psfE1) for PSF stars (minimum across all detectors). true
psf_star_delta_e1_scatter_max float Scatter (via MAD) of E1 residual (starE1 - psfE1) for PSF stars (maximum across all detectors). true
psf_star_delta_e1_scatter_median float Scatter (via MAD) of E1 residual (starE1 - psfE1) for PSF stars (median across all detectors). true
psf_star_delta_e2_median_min float Median E2 residual (starE2 - psfE2) for PSF stars (minimum across all detectors). true
psf_star_delta_e2_median_max float Median E2 residual (starE2 - psfE2) for PSF stars (maximum across all detectors). true
psf_star_delta_e2_median_median float Median E2 residual (starE2 - psfE2) for PSF stars (median across all detectors). true
psf_star_delta_e2_scatter_min float Scatter (via MAD) of E2 residual (starE2 - psfE2) for PSF stars (minimum across all detectors). true
psf_star_delta_e2_scatter_max float Scatter (via MAD) of E2 residual (starE2 - psfE2) for PSF stars (maximum across all detectors). true
psf_star_delta_e2_scatter_median float Scatter (via MAD) of E2 residual (starE2 - psfE2) for PSF stars (median across all detectors). true
psf_star_delta_size_median_min float Median size residual (starSize - psfSize) for PSF stars (minimum across all detectors). true
psf_star_delta_size_median_max float Median size residual (starSize - psfSize) for PSF stars (maximum across all detectors). true
psf_star_delta_size_median_median float Median size residual (starSize - psfSize) for PSF stars (median across all detectors). true
psf_star_delta_size_scatter_min float Scatter (via MAD) of size residual (starSize - psfSize) for stars (minimum across all detectors). true
psf_star_delta_size_scatter_max float Scatter (via MAD) of size residual (starSize - psfSize) for stars (maximum across all detectors). true
psf_star_delta_size_scatter_median float Scatter (via MAD) of size residual (starSize - psfSize) for stars (median across all detectors). true
psf_star_scaled_delta_size_scatter_min float Scatter (via MAD) of size residual scaled by median size squared (minimum across all detectors). true
psf_star_scaled_delta_size_scatter_max float Scatter (via MAD) of size residual scaled by median size squared (maximum across all detectors). true
psf_star_scaled_delta_size_scatter_median float Scatter (via MAD) of size residual scaled by median size squared (median across all detectors). true
psf_trace_radius_delta_min float Delta (max - min) of model PSF trace radius values evaluated on a grid of unmasked pixels (minimum across all detectors). true
psf_trace_radius_delta_max float Delta (max - min) of model PSF trace radius values evaluated on a grid of unmasked pixels (maximum across all detectors). true
psf_trace_radius_delta_median float Delta (max - min) of model PSF trace radius values evaluated on a grid of unmasked pixels (median across all detectors). true
sky_bg_min float Average sky background (minimum across all detectors). true
sky_bg_max float Average sky background (maximum across all detectors). true
sky_bg_median float Average sky background (median across all detectors). true
sky_noise_min float RMS noise of the sky background (minimum across all detectors). true
sky_noise_max float RMS noise of the sky background (maximum across all detectors). true
sky_noise_median float RMS noise of the sky background (median across all detectors). true
seeing_zenith_500nm_min double Measured PSF sigma, corrected to 500nm and an airmass of 1 (minimum across all detectors). true
seeing_zenith_500nm_max double Measured PSF sigma, corrected to 500nm and an airmass of 1 (maximum across all detectors). true
seeing_zenith_500nm_median double Measured PSF sigma, corrected to 500nm and an airmass of 1 (median across all detectors). true
zero_point_min float Photometric zero point (minimum across all detectors). true
zero_point_max float Photometric zero point (maximum across all detectors). true
zero_point_median float Photometric zero point (median across all detectors). true
low_snr_source_count_min int Count of low signal-to-noise-ratio sources (minimum across all detectors). count true
low_snr_source_count_max int Count of low signal-to-noise-ratio sources (maximum across all detectors). count true
low_snr_source_count_median int Count of low signal-to-noise-ratio sources (median across all detectors). count true
low_snr_source_count_total int Count of low signal-to-noise-ratio sources (total across all detectors). count true
high_snr_source_count_min int Count of high signal-to-noise-ratio sources (minimum across all detectors). count true
high_snr_source_count_max int Count of high signal-to-noise-ratio sources (maximum across all detectors). count true
high_snr_source_count_median int Count of high signal-to-noise-ratio sources (median across all detectors). count true
high_snr_source_count_total int Count of high signal-to-noise-ratio sources (total across all detectors). count true
postisr_pixel_median_median float Median postISR pixel value (median across all detectors). electron true
postisr_pixel_median_mean float Median postISR pixel value (mean across all detectors). electron true
postisr_pixel_median_max float Median postISR pixel value (max across all detectors). electron true

Constraints

Constraint Type Definition Description
fk_visit1_quicklook_obs_id ForeignKey
Columns: visit_id
References: exposure.exposure_id
Quicklook visit_id must be an Exposure exposure_id.
fk_visit1_quicklook_ds ForeignKey
Columns: day_obs, seq_num
Quicklook day_obs must be an Exposure day_obs.
fk_visit1_quicklook_visit_id_ds ForeignKey Quicklook visit_id/day_obs/seq_num must match an Exposure.