Name | Unit | Data Type | Size | Default Value | Description |
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objID | dimensionless | BIGINT | 8 | NA | Unique object identifier. |
uniquePspsFWid | dimensionless | BIGINT | 8 | NA | Unique internal PSPS forced warp identifier. |
detectID | dimensionless | BIGINT | 8 | NA | Unique detection identifier. |
ippObjID | dimensionless | BIGINT | 8 | NA | IPP internal object identifier. |
ippDetectID | dimensionless | BIGINT | 8 | NA | IPP internal detection identifier. |
filterID | dimensionless | TINYINT | 1 | NA | Filter identifier. Details in the Filter table. |
surveyID | dimensionless | TINYINT | 1 | NA | Survey identifier. Details in the Survey table. |
forcedSummaryID | dimensionless | BIGINT | 8 | NA | Unique forced warp summary identifier. |
forcedWarpID | dimensionless | BIGINT | 8 | NA | Unique forced warp identifier. |
randomWarpID | dimensionless | FLOAT | 8 | NA | Random value drawn from the interval between zero and one. |
tessID | dimensionless | TINYINT | 1 | 0 | Tessellation identifier. Details in the TessellationType table. |
projectionID | dimensionless | SMALLINT | 2 | -1 | Projection cell identifier. |
skyCellID | dimensionless | TINYINT | 1 | 255 | Skycell region identifier. |
dvoRegionID | dimensionless | INT | 4 | -1 | Internal DVO region identifier. |
obsTime | days | FLOAT | 8 | -999 | Modified Julian Date at the midpoint of the observation. Note these are international atomic time rather than UTC, so if you want UTC times you will need to add 34 or 35 seconds to correct for leap seconds. |
zp | magnitudes | REAL | 4 | 0 | Photometric zeropoint. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
telluricExt | magnitudes | REAL | 4 | NA | Estimated Telluric extinction due to non-photometric observing conditions. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
expTime | seconds | REAL | 4 | -999 | Exposure time of the frame/exposure. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
airMass | dimensionless | REAL | 4 | 0 | Airmass at midpoint of the exposure. Necessary for converting listed fluxes and magnitudes back to measured ADU counts. |
FpsfFlux | Janskys | REAL | 4 | -999 | PSF flux. |
FpsfFluxErr | Janskys | REAL | 4 | -999 | Error in PSF flux. |
xPosChip | raw pixels | REAL | 4 | -999 | PSF x position in original chip pixels. |
yPosChip | raw pixels | REAL | 4 | -999 | PSF y position in original chip pixels. |
FccdID | dimensionsless | SMALLINT | 2 | -999 | OTA identifier of original chip (see ImageMeta). |
FpsfMajorFWHM | arcsec | REAL | 4 | -999 | PSF major axis FWHM. |
FpsfMinorFWHM | arcsec | REAL | 4 | -999 | PSF minor axis FWHM. |
FpsfTheta | degrees | REAL | 4 | -999 | PSF major axis orientation. |
FpsfCore | dimensionless | REAL | 4 | -999 | PSF core parameter k, where F = F0 / (1 + k r^2 + r^3.33). |
FpsfQf | dimensionless | REAL | 4 | -999 | PSF coverage factor. |
FpsfQfPerfect | dimensionless | REAL | 4 | -999 | PSF weighted fraction of pixels totally unmasked. |
FpsfChiSq | dimensionless | REAL | 4 | -999 | Reduced chi squared value of the PSF model fit. |
FmomentXX | arcsec^2 | REAL | 4 | -999 | Second moment M_xx. |
FmomentXY | arcsec^2 | REAL | 4 | -999 | Second moment M_xy. |
FmomentYY | arcsec^2 | REAL | 4 | -999 | Second moment M_yy. |
FmomentR1 | arcsec | REAL | 4 | -999 | First radial moment. |
FmomentRH | arcsec^0.5 | REAL | 4 | -999 | Half radial moment (r^0.5 weighting). |
FmomentM3C | arcsec^2 | REAL | 4 | -999 | Cosine of trefoil second moment term: r^2 cos(3 theta) = M_xxx - 3 * M_xyy. |
FmomentM3S | arcsec^2 | REAL | 4 | -999 | Sine of trefoil second moment: r^2 sin (3 theta) = 3 * M_xxy - M_yyy. |
FmomentM4C | arcsec^2 | REAL | 4 | -999 | Cosine of quadrupole second moment: r^2 cos (4 theta) = M_xxxx - 6 * M_xxyy + M_yyyy. |
FmomentM4S | arcsec^2 | REAL | 4 | -999 | Sine of quadrupole second moment: r^2 sin (4 theta) = 4 * M_xxxy - 4 * M_xyyy. |
FapFlux | Janskys | REAL | 4 | -999 | Aperture flux. |
FapFluxErr | Janskys | REAL | 4 | -999 | Error in aperture flux. |
FapFillF | dimensionless | REAL | 4 | -999 | Aperture fill factor. |
FapRadius | arcsec | REAL | 4 | -999 | Aperture radius for forced warp detection. |
FkronFlux | Janskys | REAL | 4 | -999 | Kron (1980) flux. |
FkronFluxErr | Janskys | REAL | 4 | -999 | Error in Kron (1980) flux. |
FkronRad | arcsec | REAL | 4 | -999 | Kron (1980) radius. |
Fsky | Janskys/arcsec^2 | REAL | 4 | -999 | Background sky level. |
FskyErr | Janskys/arcsec^2 | REAL | 4 | -999 | Error in background sky level. |
FinfoFlag | dimensionless | BIGINT | 8 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags. |
FinfoFlag2 | dimensionless | INT | 4 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags2. |
FinfoFlag3 | dimensionless | INT | 4 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags3. |
processingVersion | dimensionless | TINYINT | 1 | NA | Data release version. |