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Glossary of WSA NonSurvey attributes (UKIDSSDR2)

This Glossary alphabetically lists all attributes used in the WSA NonSurvey database(s) held in the WSA. If you would like to have more information about the schema tables please use the Schema Browser (other Browser versions).
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

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NameSchema TableDatabaseDescriptionTypeLengthUnitDefault ValueUnified Content Descriptor
ell [nspid]Detection WSA NonSurvey 1-b/a, where a/b=semi-major/minor axes {catalogue TType keyword: Ellipticity}
ellipticity = 1.0-σ_a/σ_b
real 4     PHYS_ELLIPTICITY
ell [nspid]Detection WSA NonSurvey 1-b/a, where a/b=semi-major/minor axes {catalogue TType keyword: Ellipticity} real 4     PHYS_ELLIPTICITY
endCol [nspid]MultiframeDetector WSA NonSurvey End column of array readout {image extension keyword: RDOUT_X2} smallint 2     NUMBER
endDate [nspid]AstrCalVers, [nspid]PreviousSpatialMap, [nspid]PreviousStdStarInfo WSA NonSurvey MJD of the end time for this version of the calibration float 8 Julian days   TIME_DATE
endDate [nspid]PhotCalVers WSA NonSurvey Date time of end time for this version of the calibration (MM-DD-YYYY) datetime 8 MM-DD-YYYY 12-31-9999 TIME_DATE
endRow [nspid]MultiframeDetector WSA NonSurvey End row of array readout {image extension keyword: RDOUT_Y2} smallint 2     NUMBER
epoch [nspid]FSstars WSA NonSurvey The epoch of columns ra and dec real 4 years -0.9999995e9  
epoch [nspid]Source WSA NonSurvey Epoch of position measurement float 8 Years -0.9999995e9 TIME_EPOCH
equinox [nspid]Multiframe WSA NonSurvey Equinox of object position {image primary HDU keyword: EQUINOX} real 4 years -0.9999995e9 TIME_EQUINOX
errBits [nspid]Detection WSA NonSurvey processing warning/error bitwise flags {catalogue TType keyword: Error_bit_flag} int 4     CODE_MISC
eta [nspid]CurrentAstrometry, [nspid]PreviousAstrometry WSA NonSurvey SDSS system spherical co-ordinate 2 of device centre float 8 Degrees   POS
eta [nspid]Detection, [nspid]Source WSA NonSurvey SDSS system spherical co-ordinate 2 float 8 Degrees   POS
expTime [nspid]Multiframe WSA NonSurvey Integration time per exposure {image primary HDU keyword: EXP_TIME} real 4 seconds -0.9999995e9 TIME_EXPTIME
extinction [nspid]Multiframe WSA NonSurvey Extinction coefficient {image primary HDU keyword: EXTINCT} real 4 mag -0.9999995e9  
extinctionCat [nspid]MultiframeDetector WSA NonSurvey Extinction coefficient for the catalogue data {catalogue extension keyword:  EXTINCT} real 4 mags -0.9999995e9 ??
For WFCAM these are currently set to a constant clear night level, which within the current measuring error is the same for all passbands. Note that the frame-by-frame derived ZP from 2MASS automatically corrects for extinction variations, assuming they are uniform across the field of view.
extinctionExt [nspid]MultiframeDetector WSA NonSurvey Extinction coefficient of the detector {image extension keyword: EXTINCT} real 4 mags -0.9999995e9 ??
For WFCAM these are currently set to a constant clear night level, which within the current measuring error is the same for all passbands. Note that the frame-by-frame derived ZP from 2MASS automatically corrects for extinction variations, assuming they are uniform across the field of view.
extNum [nspid]CurrentAstrometry, [nspid]Detection, [nspid]MultiframeDetector, [nspid]PreviousAstrometry, [nspid]PreviousMFDZP WSA NonSurvey the extension number of this frame tinyint 1     NUMBER
extractTool [nspid]RequiredMosaic, [nspid]RequiredStack WSA NonSurvey Name of extraction tool to be used varchar 8   'CASU' ??
extTableID [nspid]ExternalSurveyTable, [nspid]RequiredNeighbours WSA NonSurvey the unique table ID int 4     ID_MAIN
extTableName [nspid]ExternalSurveyTable WSA NonSurvey the name of the table varchar 256     ID_TABLE



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