# Column definitions # Name; format; description IAUNAME; 32A; IAU Name (not unique) sourceID; K; UID (unique over entire VSA via programme ID prefix) of this merged detection as assigned by merge algorithm cuEventID; J; UID of curation event giving rise to this record frameSetID; K; UID of the set of frames that this merged source comes from ra2000; D; Celestial Right Ascension dec2000; D; Celestial Declination l; D; Galactic longitude b; D; Galactic latitude lambda; D; SDSS system spherical co-ordinate 1 eta; D; SDSS system spherical co-ordinate 2 priOrSec; K; Seam code for a unique (=0) or duplicated (!=0) source (eg. flags overlap duplicates). mergedClassStat; E; Merged S-Extractor classification statistic mergedClass; I; Class flag from available measurements (1|0|-1|-2|-3|-9=galaxy|noise|stellar|probableStar|probableGalaxy|saturated) pStar; E; Probability that the source is a star pGalaxy; E; Probability that the source is a galaxy pNoise; E; Probability that the source is noise pSaturated; E; Probability that the source is saturated eBV; E; The galactic dust extinction value measured from the Schlegel, Finkbeiner & Davis (1998) maps. This uses the correction given in Bonifacio, Monai & Beers (2000). This correction reduces the extinction value in regions of high extinction (E(B-V)>0.1) aKs; E; The galactic extinction correction in the Ks band for extragalactic objects ksMjd; D; Modified Julian Day in Ks band ksPetroMag; E; Extended source Ks mag (Petrosian) ksPetroMagErr; E; Error in extended source Ks mag (Petrosian) ksKronMag; E; Extended source Ks mag (Kron - SExtractor MAG_AUTO) ksKronMagErr; E; Extended source Ks mag error (Kron - SExtractor MAG_AUTO) ksAperMag3; E; Default point source Ks aperture corrected mag (2.0 arcsec aperture diameter) ksAperMag3Err; E; Error in default point/extended source Ks mag (2.0 arcsec aperture diameter) ksAperMag4; E; Point source Ks aperture corrected mag (2.8 arcsec aperture diameter) ksAperMag4Err; E; Error in point/extended source Ks mag (2.8 arcsec aperture diameter) ksAperMag6; E; Point source Ks aperture corrected mag (5.7 arcsec aperture diameter) ksAperMag6Err; E; Error in point/extended source Ks mag (5.7 arcsec aperture diameter) ksAperMagNoAperCorr3; E; Default extended source Ks aperture mag (2.0 arcsec aperture diameter) ksAperMagNoAperCorr4; E; Extended source Ks aperture mag (2.8 arcsec aperture diameter) ksAperMagNoAperCorr6; E; Extended source Ks aperture mag (5.7 arcsec aperture diameter) ksHalfRad; E; SExtractor half-light radius in Ks band ksHlCorSMjRadAs; E; Seeing corrected half-light, semi-major axis in Ks band ksGausig; E; RMS of axes of ellipse fit in Ks ksEll; E; 1-b/a, where a/b=semi-major/minor axes in Ks ksPA; E; ellipse fit celestial orientation in Ks ksErrBits; J; processing warning/error bitwise flags in Ks ksClass; I; discrete image classification flag in Ks ksClassStat; E; S-Extractor classification statistic in Ks ksppErrBits; J; additional WFAU post-processing error bits in Ks ksSeqNum; J; the running number of the Ks detection ksXi; E; Offset of Ks detection from master position (+east/-west) ksEta; E; Offset of Ks detection from master position (+north/-south) PRIMARY_SOURCE; B; Primary source 1; secondary source 0