Data Preview 0.2 Schema

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]
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 detected in a pseudo-filter (see config.pseudoFilterList) 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 detected in a pseudo-filter (see config.pseudoFilterList) 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 detected in a pseudo-filter (see config.pseudoFilterList)
detect_isTractInner boolean True if source is in the inner region of a coadd tract
footprintArea int pixel Number of pixels in the sources detection footprint. Reference band.
merge_peak_sky boolean Peak detected in filter sky
parentObjectId long Unique ID of parent source. Reference band.
patch long Skymap patch ID
refBand char Reference band - parameters measured on coadds of this band were used for multi-band forced photometry
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 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
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 Vaucouleur fit. Measured on g-band.
g_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on g-band.
g_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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 Vaucouleur fit. Measured on i-band.
i_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on i-band.
i_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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 Vaucouleur fit. Measured on r-band.
r_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on r-band.
r_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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 Vaucouleur fit. Measured on u-band.
u_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on u-band.
u_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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 Vaucouleur fit. Measured on y-band.
y_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on y-band.
y_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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 Vaucouleur fit. Measured on z-band.
z_bdFluxBErr double nJy Flux uncertainty from the de Vaucouleur 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 Vaucouleur 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 ra/dec. 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 anyclipping. 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 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 Sources footprint includes suspect pixels. Measured on z-band.
z_pixelFlags_suspectCenter boolean Sources 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 ra/dec. 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]
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.
parentSourceId long Unique ID of parent source
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 ra/dec [pos.eq.ra]
decl double deg Position in ra/dec [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 Error 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 sources 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 Sources footprint includes suspect pixels
pixelFlags_suspectCenter boolean Sources 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 Error 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 icSource
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.
objectId long Unique Object ID. Primary Key of the Object Table
parentObjectId long Unique ObjectId of the parent of the ObjectId in context of the deblender.
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]
skymap char Name of skymap used for coadd projection
tract long Skymap tract ID
patch long Skymap patch ID
band char Abstract filter that is not associated with a particular instrument
ccdVisitId long Unique ID of CCD and visit where this source was detected and measured. Primary Key of the CcdVisit Table.
detect_isPatchInner boolean True if Object seed is in the inner region of a coadd patch
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
detect_isTractInner boolean True if Object seed is in the inner region of a coadd tract
localBackground_instFluxErr double count 1-sigma flux uncertainty
localBackground_instFlux double count Background in annulus around source
localPhotoCalibErr double Error on the local approximation of the PhotoCalib calibration factor at the location of the src.
localPhotoCalib_flag boolean Set for any fatal failure
localPhotoCalib double Local approximation of the PhotoCalib calibration factor at the location of the src.
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_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_2_2 double (2, 2) element of the CDMatrix for the linear approximation of the WCS at the src location. Gives units in radians.
localWcs_flag boolean Set for any fatal failure
pixelFlags_bad boolean Bad pixel in the Source footprint
pixelFlags_crCenter boolean Cosmic ray in the Source center
pixelFlags_cr boolean Cosmic ray in the Source footprint
pixelFlags_edge boolean Source is outside usable exposure region (masked EDGE or NO_DATA)
pixelFlags_interpolatedCenter boolean Interpolated pixel in the Source center
pixelFlags_interpolated boolean Interpolated pixel in the Source footprint
pixelFlags_saturatedCenter boolean Saturated pixel in the Source center
pixelFlags_saturated boolean Saturated pixel in the Source footprint
pixelFlags_suspectCenter boolean Sources center is close to suspect pixels
pixelFlags_suspect boolean Sources footprint includes suspect pixels
psfDiffFluxErr double nJy Uncertainty on the flux derived from linear least-squares fit of psf model forced on the image difference
psfDiffFlux_flag boolean Failure to derive linear least-squares fit of psf model forced on the image difference
psfDiffFlux double nJy Flux derived from linear least-squares fit of psf model forced on the image difference
psfFluxErr double nJy Uncertainty on the flux derived from linear least-squares fit of psf model forced on the calexp
psfFlux_flag boolean Failure to derive linear least-squares fit of psf model forced on the calexp
psfFlux double nJy Flux derived from linear least-squares fit of psf model forced on the calexp

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 Declination coordinate of the position of the diaObject at time radecTai [pos.eq.dec;meta.main]
diaObjectId long Unique id.
gPSFluxChi2 double Chi^2 statistic for the scatter of gPSFlux around gPSFluxMean
gPSFluxErrMean double Mean of the diaSource PSF flux errors
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 errors
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 errors
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 Right Ascension coordinate of the position of the diaObject at time radecTai. [pos.eq.ra;meta.main]
radecTai double Time at which the object was at a position ra/decl.
uPSFluxChi2 double Chi^2 statistic for the scatter of uPSFlux around uPSFluxMean
uPSFluxErrMean double Mean of the diaSource PSF flux errors
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 errors
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 errors
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.
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 ra/dec [pos.eq.dec]
diaObjectId long Unique DiaObject ID. Primary Key of the DIA Object Table
diaSourceId long Unique ID
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 asec^2 Elliptical Gaussian adaptive moments
ixxPSF double asec^2 Adaptive moments of the PSF model at the object position
ixy double asec^2 Elliptical Gaussian adaptive moments
ixyPSF double asec^2 Adaptive moments of the PSF model at the object position
iyy double asec^2 Elliptical Gaussian adaptive moments
iyyPSF double asec^2 Adaptive moments of the PSF model at the object position
midPointTai double Effective mid-exposure time for this diaSource.
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 Sources footprint includes suspect pixels
pixelFlags_suspectCenter boolean Sources 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 ra/dec [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 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

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.image]
physical_filter char ID of physical filter, the filter associated with a particular instrument.
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.
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.
azimuth double deg Azimuth of focal plane center at the middle of the exposure.
altitude double deg Altitude of focal plane center at the middle of the exposure.
zenithDistance double deg Zenith distance at the middle of the exposure.
airmass double Airmass of the observed line of sight.
expTime double s Spatially-average duration of exposure, accurate to 10ms.
expMidpt timestamp Midpoint time for exposure at the fiducial center of the focal plane array. TAI, accurate to 10ms.
expMidptMJD double Midpoint time for exposure at the fiducial center of the focal plane array in MJD. TAI, accurate to 10ms.
obsStart timestamp Start time of the exposure at the fiducial center of the focal plane array, TAI, accurate to 10ms.
obsStartMJD double Start of the exposure in MJD, TAI, accurate to 10ms.

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).
visitId long Reference to the corresponding entry in the Visit table.
physical_filter char ID of physical filter, the filter associated with a particular instrument.
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.
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.
zeroPoint float mag Zero-point for the Ccd, estimated at Ccd center.
psfSigma float pixel PSF model second-moments determinant radius (center of chip)
skyBg float DN Average sky background.
skyNoise float DN RMS noise of the sky background.
detector long Detector ID. A detector associated with a particular instrument (not an observation of that detector)
seeing double arcsec Mean measured FWHM of the PSF.
skyRotation double deg Sky rotation angle.
expMidpt timestamp Midpoint for exposure. TAI, accurate to 10ms.
expMidptMJD double d Midpoint for exposure in MJD. TAI, accurate to 10ms.
expTime double s Spatially-averaged duration of exposure, accurate to 10ms.
obsStart timestamp Start of the exposure, TAI, accurate to 10ms.
obsStartMJD double Start of the exposure in MJD, TAI, accurate to 10ms.
darkTime double s Average dark current accumulation time, accurate to 10ms.
xSize long pixel Number of columns in the image.
ySize long pixel Number of rows in the image.
llcra double deg RA of lower left corner. [pos.eq.ra]
llcdec double deg Declination of lower left corner. [pos.eq.dec]
ulcra double deg RA of upper left corner. [pos.eq.ra]
ulcdec double deg Declination of upper left corner. [pos.eq.dec]
urcra double deg RA of upper right corner. [pos.eq.ra]
urcdec double deg Declination of upper right corner. [pos.eq.dec]
lrcra double deg RA of lower right corner. [pos.eq.ra]
lrcdec double deg Declination of lower right corner. [pos.eq.dec]

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.part]
lsst_patch long ID number of the second level, 'patch', within the standard LSST skymap [meta.id.part]
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]