Choose a database in the left panel then select the table you want!

Table: ukidss_dr11plus.udssource
(The bold columns are indexed columns)
Column NameDescriptionDatatype
ahThe galactic extinction correction in the H band for extragalactic objectsREAL
ajThe galactic extinction correction in the J band for extragalactic objectsREAL
akThe galactic extinction correction in the K band for extragalactic objectsREAL
bGalactic latitudeDOUBLE
cueventidUID of curation event giving rise to this recordINTEGER
cxunit vector of spherical co-ordinatesDOUBLE
cyunit vector of spherical co-ordinatesDOUBLE
czunit vector of spherical co-ordinatesDOUBLE
decCelestial DeclinationDOUBLE
ebvThe 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)REAL
elatEcliptic latitudeDOUBLE
elonEcliptic longitudeDOUBLE
etaSDSS system spherical co-ordinate 2DOUBLE
framesetidUID of the set of frames that this merged source comes fromBIGINT
hapermag3Default point/extended source H mag, no aperture correction appliedREAL
hapermag3errError in default point/extended source H mag (2.0 arcsec aperture diameter)REAL
hapermag4Extended source H mag, no aperture correction appliedREAL
hapermag4errError in extended source H mag (2.8 arcsec aperture diameter)REAL
hapermag6Extended source H mag, no aperture correction appliedREAL
hapermag6errError in extended source H mag (5.7 arcsec aperture diameter)REAL
hclassdiscrete image classification flag in HSMALLINT
hclassstatS-Extractor classification statistic in HREAL
hdeblendplaceholder flag indicating parent/child relation in HINTEGER
hell1-b/a, where a/b=semi-major/minor axes in HREAL
herrbitsprocessing warning/error bitwise flags in HSMALLINT
hetaOffset of H detection from master position (+north/-south)REAL
hgausigRMS of axes of ellipse fit in HREAL
hhallmagNot available in SE outputREAL
hhallmagerrNot available in SE outputREAL
hmkextExtended source colour H-K (using aperMag3)REAL
hmkexterrError on extended source colour H-KREAL
hmkpntPoint source colour H-K (using aperMag3)REAL
hmkpnterrError on point source colour H-KREAL
hpaellipse fit celestial orientation in HREAL
hpetromagExtended source H mag (Petrosian)REAL
hpetromagerrError in extended source H mag (Petrosian)REAL
hpperrbitsadditional WFAU post-processing error bits in HINTEGER
hpsfmagNot available in SE outputREAL
hpsfmagerrNot available in SE outputREAL
hseqnumthe running number of the H detectionINTEGER
hsermag2dNot available in SE outputREAL
hsermag2derrNot available in SE outputREAL
htm9HTM index (order 9 => ~10 arcmin size)INTEGER
htmidHierarchical Triangular Mesh (HTM) index, 20 deep, for equatorial co-ordinatesBIGINT
hxiOffset of H detection from master position (+east/-west)REAL
japermag3Default point/extended source J mag, no aperture correction appliedREAL
japermag3errError in default point/extended source J mag (2.0 arcsec aperture diameter)REAL
japermag4Extended source J mag, no aperture correction appliedREAL
japermag4errError in extended source J mag (2.8 arcsec aperture diameter)REAL
japermag6Extended source J mag, no aperture correction appliedREAL
japermag6errError in extended source J mag (5.7 arcsec aperture diameter)REAL
jclassdiscrete image classification flag in JSMALLINT
jclassstatS-Extractor classification statistic in JREAL
jdeblendplaceholder flag indicating parent/child relation in JINTEGER
jell1-b/a, where a/b=semi-major/minor axes in JREAL
jerrbitsprocessing warning/error bitwise flags in JSMALLINT
jetaOffset of J detection from master position (+north/-south)REAL
jgausigRMS of axes of ellipse fit in JREAL
jhallmagNot available in SE outputREAL
jhallmagerrNot available in SE outputREAL
jmhextExtended source colour J-H (using aperMag3)REAL
jmhexterrError on extended source colour J-HREAL
jmhpntPoint source colour J-H (using aperMag3)REAL
jmhpnterrError on point source colour J-HREAL
jpaellipse fit celestial orientation in JREAL
jpetromagExtended source J mag (Petrosian)REAL
jpetromagerrError in extended source J mag (Petrosian)REAL
jpperrbitsadditional WFAU post-processing error bits in JINTEGER
jpsfmagNot available in SE outputREAL
jpsfmagerrNot available in SE outputREAL
jseqnumthe running number of the J detectionINTEGER
jsermag2dNot available in SE outputREAL
jsermag2derrNot available in SE outputREAL
jxiOffset of J detection from master position (+east/-west)REAL
kapermag3Default point/extended source K mag, no aperture correction appliedREAL
kapermag3errError in default point/extended source K mag (2.0 arcsec aperture diameter)REAL
kapermag4Extended source K mag, no aperture correction appliedREAL
kapermag4errError in extended source K mag (2.8 arcsec aperture diameter)REAL
kapermag6Extended source K mag, no aperture correction appliedREAL
kapermag6errError in extended source K mag (5.7 arcsec aperture diameter)REAL
kclassdiscrete image classification flag in KSMALLINT
kclassstatS-Extractor classification statistic in KREAL
kdeblendplaceholder flag indicating parent/child relation in KINTEGER
kell1-b/a, where a/b=semi-major/minor axes in KREAL
kerrbitsprocessing warning/error bitwise flags in KSMALLINT
ketaOffset of K detection from master position (+north/-south)REAL
kgausigRMS of axes of ellipse fit in KREAL
khallmagNot available in SE outputREAL
khallmagerrNot available in SE outputREAL
kpaellipse fit celestial orientation in KREAL
kpetromagExtended source K mag (Petrosian)REAL
kpetromagerrError in extended source K mag (Petrosian)REAL
kpperrbitsadditional WFAU post-processing error bits in KINTEGER
kpsfmagNot available in SE outputREAL
kpsfmagerrNot available in SE outputREAL
kseqnumthe running number of the K detectionINTEGER
ksermag2dNot available in SE outputREAL
ksermag2derrNot available in SE outputREAL
kxiOffset of K detection from master position (+east/-west)REAL
lGalactic longitudeDOUBLE
lambdaSDSS system spherical co-ordinate 1DOUBLE
mergedclassClass flag from available measurements (1|0|-1|-2|-3|-9=galaxy|noise|stellar|probableStar|probableGalaxy|saturated)SMALLINT
mergedclassstatMerged S-Extractor classification statisticREAL
nest4096HEALPIX index (Nside 4096, Ring scheme => ~52 arcsec size)INTEGER
pgalaxyProbability that the source is a galaxyREAL
pnoiseProbability that the source is noiseREAL
priorsecSeam code for a unique (=0) or duplicated (!=0) source (eg. flags overlap duplicates).SMALLINT
psaturatedProbability that the source is saturatedREAL
pstarProbability that the source is a starREAL
raCelestial Right AscensionDOUBLE
random_idRandom ID in the range 0.0 => 100.0REAL
ring256HEALPIX index (Nside 256, Ring scheme => ~14 arcmin size)INTEGER
sourceidUID (unique over entire WSA via programme ID prefix) of this merged detection as assigned by merge algorithmBIGINT