VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/618/A144
  QSO candidates catalog with APOP & ALLWISE (QCC) (Guo+, 2018)
ReadMe+ftp
2018A&A...618A.144G
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/618/A144/qccQuasar candidates (662753 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  apop/AllWise  Display thge APOP (Qi et al., 2012. Cat. I/331) and AllWise (Cutri et al., 2013, Cat. II/328) data ((unassigned);(unassigned);(unassigned);pos.geocentric)
  ID1  ID1 of the unique union id (ID1,ID2) (Note 1)   ((unassigned);(unassigned);(unassigned);src.morph.scLength;arith)
  ID2  ID2 of the unique union id (ID1,ID2) (Note 1)   ((unassigned);(unassigned);(unassigned);src.morph.scLength;arith)
  RAJ2000 deg (i) Right ascension (J2000.0) (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  e_RAJ2000 mas Error of right ascension ((unassigned);(unassigned);(unassigned);time.age;(unassigned))
  DEJ2000 deg (i) Declination (J2000.0) (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  e_DEJ2000 mas Error of declination ((unassigned);phys.veloc.orbital;arith.diff;time.age;(unassigned))
  pmRA mas/yr Proper motion in RA direction ((unassigned);(unassigned);(unassigned);instr.offset;(unassigned))
  e_pmRA mas/yr Error of proper motion in ra direction ((unassigned);(unassigned);(unassigned);time.age;instr.param;(unassigned))
  pmDE mas/yr Proper motion in DEcdirection ((unassigned);phys.veloc.orbital;arith.diff;instr.offset;(unassigned))

ALL cols		    
 (i)indexed column
  e_pmDE mas/yr Error of proper motion in dec direction ((unassigned);phys.veloc.orbital;arith.diff;time.age;instr.param;(unassigned))
  Rmag mag (n) R photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Bmag mag (n) B photographic magnitude (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  Vmag mag (n) V photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Imag mag (n) I photographic magnitude (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  Jmag mag (n) J photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Hmag mag (n) H photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Kmag mag (n) K photographic magnitude (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  W1mag mag (n) W1 photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  W2mag mag (n) W2 photographic magnitude (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  W3mag mag (n) W3 photographic magnitude (Note 3)   ((unassigned);(unassigned);arith.factor;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  W4mag mag (n) W4 photographic magnitude (Note 3)   (phot.color;(unassigned);arith.grad;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  QSOflag (char) [sgo] QSO in SDSS (s) or in LAMOST (g) (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  z  (n) Redshift from SDSS and LAMOST, ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  zflag (char) [sgo] Original of redshift: SDSS (s) or LAMOST (g) (Note 4)   ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  Morflag (char) [pe] The classification codes are 'p' = point-like or 'e' = extend source (Note 5)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)

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