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J/A+A/537/A99
 Large Quasar Astrometric Catalogue 2 (LQAC-2) (Souchay+, 2012)
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1.J/A+A/537/A99/lqac2Quasars LQAC-2 (187504 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  LQAC (char) Name given for each object based on its equatorial coordinates (DDD+0DD_NNN), LQAC_DDD+0DD_NNN (meta.id;meta.main)
  RA2deg deg (n) Right Ascension in decimal degrees (J2000) given by LQRF-2 (pos.eq.ra)
  DE2deg deg (n) Declination in decimal degrees (J2000) given by LQRF-2 (pos.eq.dec)
  Ref (char) [A-M-] Flags indicating the presence of the quasar in one of the 13 catalogues from A to M (Note 2)   (meta.code)
  FS (char) [*!x?- ] Flag characteristic of the cross-identification ambiguity of quasars involving HB and VV06 (Note 3)   (meta.code)
  z  (n) Redshift (src.redshift)
  FB   [0/1] Flag when a quasar has a bad position in the original catalogue (1=bad) (meta.code)
  Umag mag (n) Photometric magnitude in Optical U band between 300 and 400nm (Note 4)   (phot.mag;em.opt.U)
  Bmag mag (n) Photometric magnitude in Optical B band between 400 and 500nm (phot.mag;em.opt.B)
  Vmag mag (n) Photometric magnitude in Optical V band between 500 and 600nm (phot.mag;em.opt.V)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Gmag mag (n) Photometric magnitude in Optical G band between 400 and 500nm (phot.mag;em.opt.B)
  Rmag mag (n) Photometric magnitude in Optical R band between 600 and 700nm (phot.mag;em.opt.R)
  Imag mag (n) Photometric magnitude in Optical I band between 700 and 900nm (phot.mag;em.opt.I)
  Zmag mag (n) Photometric magnitude in Optical I band between 800 and 1000nm (phot.mag;em.opt.I)
  Jmag mag (n) Photometric magnitude in Infrared between 1000 and 1500nm (phot.mag;em.IR.J)
  Kmag mag (n) Photometric magnitude in Infrared between 2000 and 3000nm (phot.mag;em.IR.K)
  S1.4 Jy (n) Radio flux between 750 and 1500MHz (20cm) (phot.flux.density;em.radio.1500-3000MHz)
  S2.0 Jy (n) Radio flux between 1500 and 3000MHz (13cm) (phot.flux.density;em.radio.1500-3000MHz)
  S5.0 Jy (n) Radio flux between 3 and 6GHz (6 cm) (phot.flux.density;em.radio.3-6GHz)
  S8.4 Jy (n) Radio flux between 6 and 12GHz (3.6cm) (phot.flux.density;em.radio.6-12GHz)
  S23 Jy (n) Radio flux between 12 and 30GHz (1.2cm) (phot.flux.density;em.mm.30-50GHz)
  r_z (char) Redshift reference (Note 5)   (meta.ref;pos.frame)
  Dist Mpc (n) The value of the bolometric distance (pos.distance;pos.heliocentric)

ALL cols
    
(n) indicates a possible blank or NULL column  
  E(B-V) mag E(B-V) reddening value (phot.color.excess)
  Kcor.B mag K-correction in band B (arith.factor;phot.mag)
  Kcor.K mag K-correction in band I (arith.factor;phot.mag)
  BMAG mag (n) Absolute magnitude in B band (phys.magAbs;em.opt.B)
  IMAG mag (n) Absolute magnitude in I band (phys.magAbs;em.opt.I)
  I1B  (n) [0/10[ SHARP (probing skewness) in band B (src.morph.param)
  I2B  (n) [0/10[ SROUND (probing roundness) in band B (src.morph.param)
  I3B  (n) [0/10[ GROUND (probing normalness) in band B (src.morph.param)
  I1R  (n) [0/10[ SHARP (probing skewness) in band R (src.morph.param)
  I2R  (n) [0/10[ SROUND (probing roundness) in band R (src.morph.param)
  I3R  (n) [0/10[ GROUND (probing normalness) in band R (src.morph.param)
  I1I  (n) [0/10[ SHARP (probing skewness) in band I (src.morph.param)
  I2I  (n) [0/10[ SROUND (probing roundness) in band I (src.morph.param)
  I3I  (n) [0/10[ GROUND (probing normalness) in band I (src.morph.param)
  V+V  Contents of Véron+Véron 2010, Cat. VII/258 (meta.ref.url)
  RAJ2000 deg Right Ascension in decimal degrees (J2000) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 deg Declination in decimal degrees (J2000) (Note 1)   (pos.eq.dec;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column  
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