Name | Unit | Data Type | Size | Default Value | Description |
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objID | dimensionless | BIGINT | 8 | NA | Unique object identifier. |
uniquePspsP2id | dimensionless | BIGINT | 8 | NA | Unique internal PSPS detection 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. |
imageID | dimensionless | BIGINT | 8 | NA | Unique image identifier. Constructed as (100 * frameID + ccdID). |
randomDetID | dimensionless | FLOAT | 8 | NA | Random value drawn from the interval between zero and one. |
dvoRegionID | dimensionless | INT | 4 | -1 | Internal DVO region identifier. |
obsTime | days | FLOAT | 8 | -999 | Modified Julian Date at the midpoint of the observation. |
xPos | raw pixels | REAL | 4 | -999 | PSF x center location. |
yPos | raw pixels | REAL | 4 | -999 | PSF y center location. |
xPosErr | raw pixels | REAL | 4 | -999 | Error in PSF x center location. |
yPosErr | raw pixels | REAL | 4 | -999 | Error in PSF y center location. |
pltScale | arcsec/pixel | REAL | 4 | -999 | Local plate scale at this location. |
posAngle | degrees | REAL | 4 | -999 | Position angle (sky-to-chip) at this location. |
ra | degrees | FLOAT | 8 | -999 | Right ascension. |
dec | degrees | FLOAT | 8 | -999 | Declination. |
raErr | arcsec | REAL | 4 | -999 | Right ascension error. |
decErr | arcsec | REAL | 4 | -999 | Declination error. |
extNSigma | dimensionless | REAL | 4 | 0 | An extendedness measure based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty. |
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. |
psfFlux | Janskys | REAL | 4 | -999 | Flux from PSF fit. |
psfFluxErr | Janskys | REAL | 4 | -999 | Error on flux from PSF fit. |
psfMajorFWHM | arcsec | REAL | 4 | -999 | PSF major axis FWHM. |
psfMinorFWHM | arcsec | REAL | 4 | -999 | PSF minor axis FWHM. |
psfTheta | degrees | REAL | 4 | -999 | PSF major axis orientation. |
psfCore | dimensionless | REAL | 4 | -999 | PSF core parameter k, where F = F0 / (1 + k r^2 + r^3.33). |
psfQf | dimensionless | REAL | 4 | -999 | PSF coverage factor. |
psfQfPerfect | dimensionless | REAL | 4 | -999 | PSF weighted fraction of pixels totally unmasked. |
psfChiSq | dimensionless | REAL | 4 | -999 | Reduced chi squared value of the PSF model fit. |
psfLikelihood | dimensionless | REAL | 4 | -999 | Likelihood that this detection is best fit by a PSF. |
momentXX | arcsec^2 | REAL | 4 | -999 | Second moment M_xx. |
momentXY | arcsec^2 | REAL | 4 | -999 | Second moment M_xy. |
momentYY | arcsec^2 | REAL | 4 | -999 | Second moment M_yy. |
momentR1 | arcsec | REAL | 4 | -999 | First radial moment. |
momentRH | arcsec^0.5 | REAL | 4 | -999 | Half radial moment (r^0.5 weighting). |
momentM3C | arcsec^2 | REAL | 4 | -999 | Cosine of trefoil second moment term: r^2 cos(3 theta) = M_xxx - 3 * M_xyy. |
momentM3S | arcsec^2 | REAL | 4 | -999 | Sine of trefoil second moment: r^2 sin (3 theta) = 3 * M_xxy - M_yyy. |
momentM4C | arcsec^2 | REAL | 4 | -999 | Cosine of quadrupole second moment: r^2 cos (4 theta) = M_xxxx - 6 * M_xxyy + M_yyyy. |
momentM4S | arcsec^2 | REAL | 4 | -999 | Sine of quadrupole second moment: r^2 sin (4 theta) = 4 * M_xxxy - 4 * M_xyyy. |
apFlux | Janskys | REAL | 4 | -999 | Flux in seeing-dependent aperture. |
apFluxErr | Janskys | REAL | 4 | -999 | Error on flux in seeing-dependent aperture. |
apFillF | dimensionless | REAL | 4 | -999 | Aperture fill factor. |
apRadius | arcsec | REAL | 4 | -999 | Aperture radius. |
kronFlux | Janskys | REAL | 4 | -999 | Kron (1980) flux. |
kronFluxErr | Janskys | REAL | 4 | -999 | Error on Kron (1980) flux. |
kronRad | arcsec | REAL | 4 | -999 | Kron (1980) radius. |
sky | Janskys/arcsec^2 | REAL | 4 | -999 | Background sky level. |
skyErr | Janskys/arcsec^2 | REAL | 4 | -999 | Error in background sky level. |
infoFlag | dimensionless | BIGINT | 8 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags. |
infoFlag2 | dimensionless | INT | 4 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags2. |
infoFlag3 | dimensionless | INT | 4 | 0 | Information flag bitmask indicating details of the photometry. Values listed in DetectionFlags3. |
processingVersion | dimensionless | TINYINT | 1 | NA | Data release version. |