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Table: ukidss_dr11plus.lassource
(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
ayThe galactic extinction correction in the Y band for extragalactic objectsREAL
bGalactic latitudeDOUBLE
chi2Chi-squared value of proper motion solutionREAL
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
epochEpoch of position measurementDOUBLE
etaSDSS system spherical co-ordinate 2DOUBLE
framesetidUID of the set of frames that this merged source comes fromBIGINT
hapermag3Default point source H aperture corrected mag (2.0 arcsec aperture diameter)REAL
hapermag3errError in default point source H mag (2.0 arcsec aperture diameter)REAL
hapermag4Point source H aperture corrected mag (2.8 arcsec aperture diameter)REAL
hapermag4errError in point source H mag (2.8 arcsec aperture diameter)REAL
hapermag6Point source H aperture corrected mag (5.7 arcsec aperture diameter)REAL
hapermag6errError in point source H mag (5.7 arcsec aperture diameter)REAL
hclassdiscrete image classification flag in HSMALLINT
hclassstatN(0,1) stellarness-of-profile 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 HINTEGER
hetaOffset of H detection from master position (+north/-south)REAL
hgausigRMS of axes of ellipse fit in HREAL
hhallmagTotal point source H magREAL
hhallmagerrError in total point source H magREAL
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
hpsfmagPoint source profile-fitted H magREAL
hpsfmagerrError in point source profile-fitted H magREAL
hseqnumthe running number of the H detectionINTEGER
hsermag2dExtended source H mag (profile-fitted)REAL
hsermag2derrError in extended source H mag (profile-fitted)REAL
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
j_1apermag3Default point source J_1 aperture corrected mag (2.0 arcsec aperture diameter)REAL
j_1apermag3errError in default point source J_1 mag (2.0 arcsec aperture diameter)REAL
j_1apermag4Point source J_1 aperture corrected mag (2.8 arcsec aperture diameter)REAL
j_1apermag4errError in point source J_1 mag (2.8 arcsec aperture diameter)REAL
j_1apermag6Point source J_1 aperture corrected mag (5.7 arcsec aperture diameter)REAL
j_1apermag6errError in point source J_1 mag (5.7 arcsec aperture diameter)REAL
j_1classdiscrete image classification flag in J_1SMALLINT
j_1classstatN(0,1) stellarness-of-profile statistic in J_1REAL
j_1deblendplaceholder flag indicating parent/child relation in J_1INTEGER
j_1ell1-b/a, where a/b=semi-major/minor axes in J_1REAL
j_1errbitsprocessing warning/error bitwise flags in J_1INTEGER
j_1etaOffset of J_1 detection from master position (+north/-south)REAL
j_1gausigRMS of axes of ellipse fit in J_1REAL
j_1hallmagTotal point source J_1 magREAL
j_1hallmagerrError in total point source J_1 magREAL
j_1mhextExtended source colour J_1-H (using aperMag3)REAL
j_1mhexterrError on extended source colour J_1-HREAL
j_1mhpntPoint source colour J_1-H (using aperMag3)REAL
j_1mhpnterrError on point source colour J_1-HREAL
j_1paellipse fit celestial orientation in J_1REAL
j_1petromagExtended source J_1 mag (Petrosian)REAL
j_1petromagerrError in extended source J_1 mag (Petrosian)REAL
j_1pperrbitsadditional WFAU post-processing error bits in J_1INTEGER
j_1psfmagPoint source profile-fitted J_1 magREAL
j_1psfmagerrError in point source profile-fitted J_1 magREAL
j_1seqnumthe running number of the J_1 detectionINTEGER
j_1sermag2dExtended source J_1 mag (profile-fitted)REAL
j_1sermag2derrError in extended source J_1 mag (profile-fitted)REAL
j_1xiOffset of J_1 detection from master position (+east/-west)REAL
j_2apermag3Default point source J_2 aperture corrected mag (2.0 arcsec aperture diameter)REAL
j_2apermag3errError in default point source J_2 mag (2.0 arcsec aperture diameter)REAL
j_2apermag4Point source J_2 aperture corrected mag (2.8 arcsec aperture diameter)REAL
j_2apermag4errError in point source J_2 mag (2.8 arcsec aperture diameter)REAL
j_2apermag6Point source J_2 aperture corrected mag (5.7 arcsec aperture diameter)REAL
j_2apermag6errError in point source J_2 mag (5.7 arcsec aperture diameter)REAL
j_2classdiscrete image classification flag in J_2SMALLINT
j_2classstatN(0,1) stellarness-of-profile statistic in J_2REAL
j_2deblendplaceholder flag indicating parent/child relation in J_2INTEGER
j_2ell1-b/a, where a/b=semi-major/minor axes in J_2REAL
j_2errbitsprocessing warning/error bitwise flags in J_2INTEGER
j_2etaOffset of J_2 detection from master position (+north/-south)REAL
j_2gausigRMS of axes of ellipse fit in J_2REAL
j_2hallmagTotal point source J_2 magREAL
j_2hallmagerrError in total point source J_2 magREAL
j_2mhextExtended source colour J_2-H (using aperMag3)REAL
j_2mhexterrError on extended source colour J_2-HREAL
j_2mhpntPoint source colour J_2-H (using aperMag3)REAL
j_2mhpnterrError on point source colour J_2-HREAL
j_2paellipse fit celestial orientation in J_2REAL
j_2petromagExtended source J_2 mag (Petrosian)REAL
j_2petromagerrError in extended source J_2 mag (Petrosian)REAL
j_2pperrbitsadditional WFAU post-processing error bits in J_2INTEGER
j_2psfmagPoint source profile-fitted J_2 magREAL
j_2psfmagerrError in point source profile-fitted J_2 magREAL
j_2seqnumthe running number of the J_2 detectionINTEGER
j_2sermag2dExtended source J_2 mag (profile-fitted)REAL
j_2sermag2derrError in extended source J_2 mag (profile-fitted)REAL
j_2xiOffset of J_2 detection from master position (+east/-west)REAL
japermag3Default point source J aperture corrected mag (2.0 arcsec aperture diameter)REAL
japermag3errError in default point source J mag (2.0 arcsec aperture diameter)REAL
japermag4Point source J aperture corrected mag (2.8 arcsec aperture diameter)REAL
japermag4errError in point source J mag (2.8 arcsec aperture diameter)REAL
japermag6Point source J aperture corrected mag (5.7 arcsec aperture diameter)REAL
japermag6errError in point source J mag (5.7 arcsec aperture diameter)REAL
jclassdiscrete image classification flag in JSMALLINT
jclassstatN(0,1) stellarness-of-profile 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 JINTEGER
jetaOffset of J detection from master position (+north/-south)REAL
jgausigRMS of axes of ellipse fit in JREAL
jhallmagTotal point source J magREAL
jhallmagerrError in total point source J magREAL
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
jpsfmagPoint source profile-fitted J magREAL
jpsfmagerrError in point source profile-fitted J magREAL
jseqnumthe running number of the J detectionINTEGER
jsermag2dExtended source J mag (profile-fitted)REAL
jsermag2derrError in extended source J mag (profile-fitted)REAL
jxiOffset of J detection from master position (+east/-west)REAL
kapermag3Default point source K aperture corrected mag (2.0 arcsec aperture diameter)REAL
kapermag3errError in default point source K mag (2.0 arcsec aperture diameter)REAL
kapermag4Point source K aperture corrected mag (2.8 arcsec aperture diameter)REAL
kapermag4errError in point source K mag (2.8 arcsec aperture diameter)REAL
kapermag6Point source K aperture corrected mag (5.7 arcsec aperture diameter)REAL
kapermag6errError in point source K mag (5.7 arcsec aperture diameter)REAL
kclassdiscrete image classification flag in KSMALLINT
kclassstatN(0,1) stellarness-of-profile 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 KINTEGER
ketaOffset of K detection from master position (+north/-south)REAL
kgausigRMS of axes of ellipse fit in KREAL
khallmagTotal point source K magREAL
khallmagerrError in total point source K magREAL
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
kpsfmagPoint source profile-fitted K magREAL
kpsfmagerrError in point source profile-fitted K magREAL
kseqnumthe running number of the K detectionINTEGER
ksermag2dExtended source K mag (profile-fitted)REAL
ksermag2derrError in extended source K mag (profile-fitted)REAL
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 N(0,1) stellarness-of-profile statisticREAL
mudecProper motion in Dec directionREAL
muraProper motion in RA directionREAL
nest4096HEALPIX index (Nside 4096, Ring scheme => ~52 arcsec size)INTEGER
nframesNo. of frames used for this proper motion measurementSMALLINT
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).BIGINT
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
sigdecUncertainty in DecREAL
sigmudecError on proper motion in Dec directionREAL
sigmuraError on proper motion in RA directionREAL
sigraUncertainty in RAREAL
sourceidUID (unique over entire WSA via programme ID prefix) of this merged detection as assigned by merge algorithmBIGINT
yapermag3Default point source Y aperture corrected mag (2.0 arcsec aperture diameter)REAL
yapermag3errError in default point source Y mag (2.0 arcsec aperture diameter)REAL
yapermag4Point source Y aperture corrected mag (2.8 arcsec aperture diameter)REAL
yapermag4errError in point source Y mag (2.8 arcsec aperture diameter)REAL
yapermag6Point source Y aperture corrected mag (5.7 arcsec aperture diameter)REAL
yapermag6errError in point source Y mag (5.7 arcsec aperture diameter)REAL
yclassdiscrete image classification flag in YSMALLINT
yclassstatN(0,1) stellarness-of-profile statistic in YREAL
ydeblendplaceholder flag indicating parent/child relation in YINTEGER
yell1-b/a, where a/b=semi-major/minor axes in YREAL
yerrbitsprocessing warning/error bitwise flags in YINTEGER
yetaOffset of Y detection from master position (+north/-south)REAL
ygausigRMS of axes of ellipse fit in YREAL
yhallmagTotal point source Y magREAL
yhallmagerrError in total point source Y magREAL
ymj_1extExtended source colour Y-J_1 (using aperMag3)REAL
ymj_1exterrError on extended source colour Y-J_1REAL
ymj_1pntPoint source colour Y-J_1 (using aperMag3)REAL
ymj_1pnterrError on point source colour Y-J_1REAL
ymj_2extExtended source colour Y-J_2 (using aperMag3)REAL
ymj_2exterrError on extended source colour Y-J_2REAL
ymj_2pntPoint source colour Y-J_2 (using aperMag3)REAL
ymj_2pnterrError on point source colour Y-J_2REAL
ymjextExtended source colour Y-J (using aperMag3)REAL
ymjexterrError on extended source colour Y-JREAL
ymjpntPoint source colour Y-J (using aperMag3)REAL
ymjpnterrError on point source colour Y-JREAL
ypaellipse fit celestial orientation in YREAL
ypetromagExtended source Y mag (Petrosian)REAL
ypetromagerrError in extended source Y mag (Petrosian)REAL
ypperrbitsadditional WFAU post-processing error bits in YINTEGER
ypsfmagPoint source profile-fitted Y magREAL
ypsfmagerrError in point source profile-fitted Y magREAL
yseqnumthe running number of the Y detectionINTEGER
ysermag2dExtended source Y mag (profile-fitted)REAL
ysermag2derrError in extended source Y mag (profile-fitted)REAL
yxiOffset of Y detection from master position (+east/-west)REAL