Description: Contains the metadata related to a sky-aligned distortion corrected warp image, upon which forced photometry is performed. The astrometric and photometric calibration of the warp image are listed.
NameUnitData TypeSizeDefault ValueDescription
forcedWarpIDdimensionlessBIGINT8NAUnique forced warp identifier.
batchIDdimensionlessBIGINT8NAInternal database batch identifier.
surveyIDdimensionlessTINYINT1NASurvey identifier. Details in the Survey table.
filterIDdimensionlessTINYINT1NAFilter identifier. Details in the Filter table.
frameIDdimensionlessINT4NAFrame/exposure identifier of the Frame associated with this warp.
ippSkycalIDdimensionlessINT4NAIPP skycal identifier for the run that generated the positions for forced photometry.
stackMetaIDdimensionlessINT4NAIdentifier for the stack which yielded the positions for forced photometry.
tessIDdimensionlessTINYINT10Tessellation identifier. Details in the TessellationType table.
projectionIDdimensionlessSMALLINT2-1Projection cell identifier.
skyCellIDdimensionlessTINYINT1255Skycell region identifier.
photoCalIDdimensionlessINT4NAPhotometric calibration identifier. Details in the PhotoCal table.
analysisVerdimensionlessVARCHAR(100)100 IPP software analysis release version.
md5sumdimensionlessVARCHAR(100)100 IPP MD5 Checksum.
expTimesecondsREAL4-999Exposure time of the source frame/exposure for this warp image. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.
recalAstroScatXarcsecREAL4-999Measurement of the re-calibration (not astrometric error) in the X direction.
recalAstroScatYarcsecREAL4-999Measurement of the re-calibration (not astrometric error) in the Y direction.
recalNAstroStarsdimensionlessINT4-999Number of astrometric reference sources used in recalibration.
recalphotoScatmagnitudesREAL4-999Photometric scatter relative to reference catalog.
recalNPhotoStarsdimensionlessINT4-999Number of astrometric reference sources used in recalibration.
psfModelIDdimensionlessINT4-999PSF model identifier.
psfFWHMarcsecREAL4-999Mean PSF full width at half maximum at image center.
psfWidMajorarcsecREAL4-999PSF major axis FWHM at image center.
psfWidMinorarcsecREAL4-999PSF minor axis FWHM at image center.
psfThetadegreesREAL4-999PSF major axis orientation at image center.
photoZeromagnitudesREAL4-999Locally derived photometric zero point for this warp image.
ctype1dimensionlessVARCHAR(100)100 Name of astrometric projection in right ascension.
ctype2dimensionlessVARCHAR(100)100 Name of astrometric projection in declination.
crval1degreesFLOAT8-999Right ascension corresponding to reference pixel.
crval2degreesFLOAT8-999Declination corresponding to reference pixel.
crpix1sky pixelsFLOAT8-999Reference pixel for right ascension.
crpix2sky pixelsFLOAT8-999Reference pixel for declination.
cdelt1degrees/pixelFLOAT8-999Pixel scale in right ascension.
cdelt2degrees/pixelFLOAT8-999Pixel scale in declination.
pc001001dimensionlessFLOAT8-999Linear transformation matrix element between image pixel x and right ascension.
pc001002dimensionlessFLOAT8-999Linear transformation matrix element between image pixel y and right ascension.
pc002001dimensionlessFLOAT8-999Linear transformation matrix element between image pixel x and declination.
pc002002dimensionlessFLOAT8-999Linear transformation matrix element between image pixel y and declination.
processingVersiondimensionlessTINYINT1NAData release version.

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