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VizieR

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J/A+A/494/799
  Large Quasar Astrometric Catalogue (LQAC) (Souchay+, 2009) This catalogue is obsoleted by J/A+A/537/A99
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1.J/A+A/494/799/lqac(c)Quasars LQAC (113666 rows)
2.J/A+A/494/799/refsReference of Redshift LQAC (795 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Ref (char) [A-M-] Flags indicating presence of the quasar in one of the 13 catalogues from A to M (Note 2)   (meta.code)
  (1)FS (char) [*!x?- ] Flag characteristic of the cross-identification ambiguity of quasars involving HB and VV06 (Note 3)   (meta.code)
  (1)z  (n) Redshift (src.redshift)
  (1)Umag mag (n) Photometric magnitude in Optical U band between 300 and 400nm (Note 4)   (phot.mag;em.opt.U)
  (1)Bmag mag (n) Photometric magnitude in Optical B band between 400 and 500nm (phot.mag;em.opt.B)
  (1)Vmag mag (n) Photometric magnitude in Optical V band between 500 and 600nm (phot.mag;em.opt.V)
  (1)Gmag mag (n) Photometric magnitude in Optical G band between 400 and 500nm (phot.mag;em.opt.B)
  (1)Rmag mag (n) Photometric magnitude in Optical R band between 600 and 750nm (phot.mag;em.opt.R)
  (1)Imag mag (n) Photometric magnitude in Optical I band between 750 and 1000nm (phot.mag;em.opt.I)
  (1)Zmag mag (n) Photometric magnitude in Optical I band between 750 and 1000nm (phot.mag;em.opt.I)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Jmag mag (n) Photometric magnitude in Infrared between 1000 and 1500nm (phot.mag;em.IR.J)
  (1)Kmag mag (n) Photometric magnitude in Infrared between 2000 and 3000nm (phot.mag;em.IR.K)
  (1)S1.4 Jy (n) Radio flux between 750 and 1500MHz (20cm) (phot.flux.density;em.radio.1500-3000MHz)
  (1)S2.0 Jy (n) Radio flux between 1500 and 3000MHz (13cm) (phot.flux.density;em.radio.1500-3000MHz)
  (1)S5.0 Jy (n) Radio flux between 3 and 6GHz (6cm) (phot.flux.density;em.radio.3-6GHz)
  (1)S8.4 Jy (n) Radio flux between 6 and 12GHz (3.6cm) (phot.flux.density;em.radio.6-12GHz)
  (1)S23 Jy (n) Radio flux between 12 and 30GHz (1.2cm) (phot.flux.density;em.mm.30-50GHz)
  (1)r_z (char) Redshift reference (Note 5)   (meta.ref;pos.frame)
  (1)Dist Mpc (n) The value of the bolometric distance (pos.distance;pos.heliocentric)
  (1)E(B-V) mag (n) E(B-V) reddening value (Note 6)   (phot.color.excess)
  (1)Kcor.B mag (n) K-correction in band B (Note 6)   (arith.factor;phot.mag)
  (1)Kcor.K mag (n) K-correction in band I (Note 6)   (arith.factor;phot.mag)
  (1)BMAG mag (n) Absolute magnitude at B band (phys.magAbs;em.opt.B)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)IMAG mag (n) Absolute magnitude at I band (phys.magAbs;em.opt.I)
  (1)V+V (char) Contents of Véron+Véron 2006, Cat. VII/248 (meta.ref.url)
  (1)RAJ2000 deg (i) Right Ascension J2000 (degrees) (Note 1)   (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Declination J2000 (degrees) (Note 1)   (pos.eq.dec;meta.main)
  (2)V+V  (n) Redshift reference in Veron & Veron 2006 (Cat. VII/248) (meta.bib)
  (2)Nqso  Number of QSOs with this reference in VLQAC (meta.number)
  (2)BibCode (char) The 19-digit bibcode (meta.bib.bibcode)
  (2)Reference (char) Bibliography reference (meta.ref;pos.frame)

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