The starting point for the PS1 data archive is at Pan-STARRS1 data archive home page.

 

Description: Contains the PSF, Kron (1980), and aperture fluxes for all filters in a single row, along with point-source object shape parameters. See StackObjectThin table for discussion of primary, secondary, and best detections. References: Kron, R. G. 1980, ApJS, 43, 305.
NameUnitData TypeSizeDefault ValueDescription
objIDdimensionlessBIGINT8NAUnique object identifier.
uniquePspsSTiddimensionlessBIGINT8NAUnique internal PSPS stack identifier.
ippObjIDdimensionlessBIGINT8NAIPP internal object identifier.
randomStackObjIDdimensionlessFLOAT8NARandom value drawn from the interval between zero and one.
primaryDetectiondimensionlessTINYINT1255Identifies if this row is the primary stack detection.
bestDetectiondimensionlessTINYINT1255Identifies if this row is the best detection.
gippDetectIDdimensionlessBIGINT8NAIPP internal detection identifier.
gstackDetectIDdimensionlessBIGINT8NAUnique stack detection identifier.
gstackImageIDdimensionlessBIGINT8NAUnique stack identifier for g filter detection.
gxPossky pixelsREAL4-999PSF x center location from g filter stack detection.
gyPossky pixelsREAL4-999PSF y center location from g filter stack detection.
gxPosErrsky pixelsREAL4-999Error in PSF x center location from g filter stack detection.
gyPosErrsky pixelsREAL4-999Error in PSF y center location from g filter stack detection.
gpsfMajorFWHMarcsecREAL4-999PSF major axis FWHM from g filter stack detection.
gpsfMinorFWHMarcsecREAL4-999PSF minor axis FWHM from g filter stack detection.
gpsfThetadegreesREAL4-999PSF major axis orientation from g filter stack detection.
gpsfCoredimensionlessREAL4-999PSF core parameter k from g filter stack detection, where F = F0 / (1 + k r^2 + r^3.33).
gpsfLikelihooddimensionlessREAL4-999Likelihood that this g filter stack detection is best fit by a PSF.
gpsfQfdimensionlessREAL4-999PSF coverage factor for g filter stack detection.
gpsfQfPerfectdimensionlessREAL4-999PSF-weighted fraction of pixels totally unmasked for g filter stack detection.
gpsfChiSqdimensionlessREAL4-999Reduced chi squared value of the PSF model fit for g filter stack detection.
gmomentXXarcsec^2REAL4-999Second moment M_xx for g filter stack detection.
gmomentXYarcsec^2REAL4-999Second moment M_xy for g filter stack detection.
gmomentYYarcsec^2REAL4-999Second moment M_yy for g filter stack detection.
gmomentR1arcsecREAL4-999First radial moment for g filter stack detection.
gmomentRHarcsec^0.5REAL4-999Half radial moment (r^0.5 weighting) for g filter stack detection.
gPSFFluxJanskysREAL4-999PSF flux from g filter stack detection.
gPSFFluxErrJanskysREAL4-999Error in PSF flux from g filter stack detection.
gApFluxJanskysREAL4-999Aperture flux from g filter stack detection.
gApFluxErrJanskysREAL4-999Error in aperture flux from g filter stack detection.
gApFillFacdimensionlessREAL4-999Aperture fill factor from g filter stack detection.
gApRadiusarcsecREAL4-999Aperture radius for g filter stack detection.
gKronFluxJanskysREAL4-999Kron (1980) flux from g filter stack detection.
gKronFluxErrJanskysREAL4-999Error in Kron (1980) flux from g filter stack detection.
gKronRadarcsecREAL4-999Kron (1980) radius from g filter stack detection.
gexpTimesecondsREAL4-999Exposure time of the g filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
gExtNSigmadimensionlessREAL4-999An extendedness measure for the g filter stack detection based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty.
gskyJanskys/arcsec^2REAL4-999Residual background sky level at the g filter stack detection.
gskyErrJanskys/arcsec^2REAL4-999Error in residual background sky level at the g filter stack detection.
gzpmagnitudesREAL40Photometric zeropoint for the g filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
gPlateScalearcsec/pixelREAL40Local plate scale for the g filter stack.
rippDetectIDdimensionlessBIGINT8NAIPP internal detection identifier.
rstackDetectIDdimensionlessBIGINT8NAUnique stack detection identifier.
rstackImageIDdimensionlessBIGINT8NAUnique stack identifier for r filter detection.
rxPossky pixelsREAL4-999PSF x center location from r filter stack detection.
ryPossky pixelsREAL4-999PSF y center location from r filter stack detection.
rxPosErrsky pixelsREAL4-999Error in PSF x center location from r filter stack detection.
ryPosErrsky pixelsREAL4-999Error in PSF y center location from r filter stack detection.
rpsfMajorFWHMarcsecREAL4-999PSF major axis FWHM from r filter stack detection.
rpsfMinorFWHMarcsecREAL4-999PSF minor axis FWHM from r filter stack detection.
rpsfThetadegreesREAL4-999PSF major axis orientation from r filter stack detection.
rpsfCoredimensionlessREAL4-999PSF core parameter k from r filter stack detection, where F = F0 / (1 + k r^2 + r^3.33).
rpsfLikelihooddimensionlessREAL4-999Likelihood that this r filter stack detection is best fit by a PSF.
rpsfQfdimensionlessREAL4-999PSF coverage factor for r filter stack detection.
rpsfQfPerfectdimensionlessREAL4-999PSF-weighted fraction of pixels totally unmasked for r filter stack detection.
rpsfChiSqdimensionlessREAL4-999Reduced chi squared value of the PSF model fit for r filter stack detection.
rmomentXXarcsec^2REAL4-999Second moment M_xx for r filter stack detection.
rmomentXYarcsec^2REAL4-999Second moment M_xy for r filter stack detection.
rmomentYYarcsec^2REAL4-999Second moment M_yy for r filter stack detection.
rmomentR1arcsecREAL4-999First radial moment for r filter stack detection.
rmomentRHarcsec^0.5REAL4-999Half radial moment (r^0.5 weighting) for r filter stack detection.
rPSFFluxJanskysREAL4-999PSF flux from r filter stack detection.
rPSFFluxErrJanskysREAL4-999Error in PSF flux from r filter stack detection.
rApFluxJanskysREAL4-999Aperture flux from r filter stack detection.
rApFluxErrJanskysREAL4-999Error in aperture flux from r filter stack detection.
rApFillFacdimensionlessREAL4-999Aperture fill factor from r filter stack detection.
rApRadiusarcsecREAL4-999Aperture radius for r filter stack detection.
rKronFluxJanskysREAL4-999Kron (1980) flux from r filter stack detection.
rKronFluxErrJanskysREAL4-999Error in Kron (1980) flux from r filter stack detection.
rKronRadarcsecREAL4-999Kron (1980) radius from r filter stack detection.
rexpTimesecondsREAL4-999Exposure time of the r filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
rExtNSigmadimensionlessREAL4-999An extendedness measure for the r filter stack detection based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty.
rskyJanskys/arcsec^2REAL4-999Residual background sky level at the r filter stack detection.
rskyErrJanskys/arcsec^2REAL4-999Error in residual background sky level at the r filter stack detection.
rzpmagnitudesREAL40Photometric zeropoint for the r filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
rPlateScalearcsec/pixelREAL40Local plate scale for the r filter stack.
iippDetectIDdimensionlessBIGINT8NAIPP internal detection identifier.
istackDetectIDdimensionlessBIGINT8NAUnique stack detection identifier.
istackImageIDdimensionlessBIGINT8NAUnique stack identifier for i filter detection.
ixPossky pixelsREAL4-999PSF x center location from i filter stack detection.
iyPossky pixelsREAL4-999PSF y center location from i filter stack detection.
ixPosErrsky pixelsREAL4-999Error in PSF x center location from i filter stack detection.
iyPosErrsky pixelsREAL4-999Error in PSF y center location from i filter stack detection.
ipsfMajorFWHMarcsecREAL4-999PSF major axis FWHM from i filter stack detection.
ipsfMinorFWHMarcsecREAL4-999PSF minor axis FWHM from i filter stack detection.
ipsfThetadegreesREAL4-999PSF major axis orientation from i filter stack detection.
ipsfCoredimensionlessREAL4-999PSF core parameter k from i filter stack detection, where F = F0 / (1 + k r^2 + r^3.33).
ipsfLikelihooddimensionlessREAL4-999Likelihood that this i filter stack detection is best fit by a PSF.
ipsfQfdimensionlessREAL4-999PSF coverage factor for i filter stack detection.
ipsfQfPerfectdimensionlessREAL4-999PSF-weighted fraction of pixels totally unmasked for i filter stack detection.
ipsfChiSqdimensionlessREAL4-999Reduced chi squared value of the PSF model fit for i filter stack detection.
imomentXXarcsec^2REAL4-999Second moment M_xx for i filter stack detection.
imomentXYarcsec^2REAL4-999Second moment M_xy for i filter stack detection.
imomentYYarcsec^2REAL4-999Second moment M_yy for i filter stack detection.
imomentR1arcsecREAL4-999First radial moment for i filter stack detection.
imomentRHarcsec^0.5REAL4-999Half radial moment (r^0.5 weighting) for i filter stack detection.
iPSFFluxJanskysREAL4-999PSF flux from i filter stack detection.
iPSFFluxErrJanskysREAL4-999Error in PSF flux from i filter stack detection.
iApFluxJanskysREAL4-999Aperture flux from i filter stack detection.
iApFluxErrJanskysREAL4-999Error in aperture flux from i filter stack detection.
iApFillFacdimensionlessREAL4-999Aperture fill factor from i filter stack detection.
iApRadiusarcsecREAL4-999Aperture radius for i filter stack detection.
iKronFluxJanskysREAL4-999Kron (1980) flux from i filter stack detection.
iKronFluxErrJanskysREAL4-999Error in Kron (1980) flux from i filter stack detection.
iKronRadarcsecREAL4-999Kron (1980) radius from i filter stack detection.
iexpTimesecondsREAL4-999Exposure time of the i filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
iExtNSigmadimensionlessREAL4-999An extendedness measure for the i filter stack detection based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty.
iskyJanskys/arcsec^2REAL4-999Residual background sky level at the i filter stack detection.
iskyErrJanskys/arcsec^2REAL4-999Error in residual background sky level at the i filter stack detection.
izpmagnitudesREAL40Photometric zeropoint for the i filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
iPlateScalearcsec/pixelREAL40Local plate scale for the i filter stack.
zippDetectIDdimensionlessBIGINT8NAIPP internal detection identifier.
zstackDetectIDdimensionlessBIGINT8NAUnique stack detection identifier.
zstackImageIDdimensionlessBIGINT8NAUnique stack identifier for z filter detection.
zxPossky pixelsREAL4-999PSF x center location from z filter stack detection.
zyPossky pixelsREAL4-999PSF y center location from z filter stack detection.
zxPosErrsky pixelsREAL4-999Error in PSF x center location from z filter stack detection.
zyPosErrsky pixelsREAL4-999Error in PSF y center location from z filter stack detection.
zpsfMajorFWHMarcsecREAL4-999PSF major axis FWHM from z filter stack detection.
zpsfMinorFWHMarcsecREAL4-999PSF minor axis FWHM from z filter stack detection.
zpsfThetadegreesREAL4-999PSF major axis orientation from z filter stack detection.
zpsfCoredimensionlessREAL4-999PSF core parameter k from z filter stack detection, where F = F0 / (1 + k r^2 + r^3.33).
zpsfLikelihooddimensionlessREAL4-999Likelihood that this z filter stack detection is best fit by a PSF.
zpsfQfdimensionlessREAL4-999PSF coverage factor for z filter stack detection.
zpsfQfPerfectdimensionlessREAL4-999PSF-weighted fraction of pixels totally unmasked for z filter stack detection.
zpsfChiSqdimensionlessREAL4-999Reduced chi squared value of the PSF model fit for z filter stack detection.
zmomentXXarcsec^2REAL4-999Second moment M_xx for z filter stack detection.
zmomentXYarcsec^2REAL4-999Second moment M_xy for z filter stack detection.
zmomentYYarcsec^2REAL4-999Second moment M_yy for z filter stack detection.
zmomentR1arcsecREAL4-999First radial moment for z filter stack detection.
zmomentRHarcsec^0.5REAL4-999Half radial moment (r^0.5 weighting) for z filter stack detection.
zPSFFluxJanskysREAL4-999PSF flux from z filter stack detection.
zPSFFluxErrJanskysREAL4-999Error in PSF flux from z filter stack detection.
zApFluxJanskysREAL4-999Aperture flux from z filter stack detection.
zApFluxErrJanskysREAL4-999Error in aperture flux from z filter stack detection.
zApFillFacdimensionlessREAL4-999Aperture fill factor from z filter stack detection.
zApRadiusarcsecREAL4-999Aperture radius for z filter stack detection.
zKronFluxJanskysREAL4-999Kron (1980) flux from z filter stack detection.
zKronFluxErrJanskysREAL4-999Error in Kron (1980) flux from z filter stack detection.
zKronRadarcsecREAL4-999Kron (1980) radius from z filter stack detection.
zexpTimesecondsREAL4-999Exposure time of the z filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
zExtNSigmadimensionlessREAL4-999An extendedness measure for the z filter stack detection based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty.
zskyJanskys/arcsec^2REAL4-999Residual background sky level at the z filter stack detection.
zskyErrJanskys/arcsec^2REAL4-999Error in residual background sky level at the z filter stack detection.
zzpmagnitudesREAL40Photometric zeropoint for the z filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
zPlateScalearcsec/pixelREAL40Local plate scale for the z filter stack.
yippDetectIDdimensionlessBIGINT8NAIPP internal detection identifier.
ystackDetectIDdimensionlessBIGINT8NAUnique stack detection identifier.
ystackImageIDdimensionlessBIGINT8NAUnique stack identifier for y filter detection.
yxPossky pixelsREAL4-999PSF x center location from y filter stack detection.
yyPossky pixelsREAL4-999PSF y center location from y filter stack detection.
yxPosErrsky pixelsREAL4-999Error in PSF x center location from y filter stack detection.
yyPosErrsky pixelsREAL4-999Error in PSF y center location from y filter stack detection.
ypsfMajorFWHMarcsecREAL4-999PSF major axis FWHM from y filter stack detection.
ypsfMinorFWHMarcsecREAL4-999PSF minor axis FWHM from y filter stack detection.
ypsfThetadegreesREAL4-999PSF major axis orientation from y filter stack detection.
ypsfCoredimensionlessREAL4-999PSF core parameter k from y filter stack detection, where F = F0 / (1 + k r^2 + r^3.33).
ypsfLikelihooddimensionlessREAL4-999Likelihood that this y filter stack detection is best fit by a PSF.
ypsfQfdimensionlessREAL4-999PSF coverage factor for y filter stack detection.
ypsfQfPerfectdimensionlessREAL4-999PSF-weighted fraction of pixels totally unmasked for y filter stack detection.
ypsfChiSqdimensionlessREAL4-999Reduced chi squared value of the PSF model fit for y filter stack detection.
ymomentXXarcsec^2REAL4-999Second moment M_xx for y filter stack detection.
ymomentXYarcsec^2REAL4-999Second moment M_xy for y filter stack detection.
ymomentYYarcsec^2REAL4-999Second moment M_yy for y filter stack detection.
ymomentR1arcsecREAL4-999First radial moment for y filter stack detection.
ymomentRHarcsec^0.5REAL4-999Half radial moment (r^0.5 weighting) for y filter stack detection.
yPSFFluxJanskysREAL4-999PSF flux from y filter stack detection.
yPSFFluxErrJanskysREAL4-999Error in PSF flux from y filter stack detection.
yApFluxJanskysREAL4-999Aperture flux from y filter stack detection.
yApFluxErrJanskysREAL4-999Error in aperture flux from y filter stack detection.
yApFillFacdimensionlessREAL4-999Aperture fill factor from y filter stack detection.
yApRadiusarcsecREAL4-999Aperture radius for y filter stack detection.
yKronFluxJanskysREAL4-999Kron (1980) flux from y filter stack detection.
yKronFluxErrJanskysREAL4-999Error in Kron (1980) flux from y filter stack detection.
yKronRadarcsecREAL4-999Kron (1980) radius from y filter stack detection.
yexpTimesecondsREAL4-999Exposure time of the y filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
yExtNSigmadimensionlessREAL4-999An extendedness measure for the y filter stack detection based on the deviation between PSF and Kron (1980) magnitudes, normalized by the PSF magnitude uncertainty.
yskyJanskys/arcsec^2REAL4-999Residual background sky level at the y filter stack detection.
yskyErrJanskys/arcsec^2REAL4-999Error in residual background sky level at the y filter stack detection.
yzpmagnitudesREAL40Photometric zeropoint for the y filter stack. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
yPlateScalearcsec/pixelREAL40Local plate scale for the y filter stack.

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