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

  
VII/298
  QUAC. QUasar Atlas and Catalogue (QUAC coll., 2002-2014)
ReadMe+ftp
2025yCat.7298....0Q
Similar Catalogs
Post annotation 		img(gal)
1.VII/298/catalog(c)QUasar Atlas and Catalogue (QUAC) (3630588 rows)
2.VII/298/classType definitions (48 rows)
3.VII/298/acroAcromym definitions (772 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);meta.version;arith.diff;phys.veloc)
   (ALL)Type (char) Type of the object (Note 1)   ((unassigned);meta.version;arith.diff;phys.atmol.sweight;meta.main)
  (1)Name (char) First name ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  (1)DEJ2000 "d:m:s" Declination (J2000) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  (1)l_z (char) Limit flag on z (spect.line.broad.Zeeman;src.veloc.gc;arith.factor;pos.galactic.lon;pos.parallax;meta.main)
  (1)z  (n) Redshift ((unassigned);meta.version;arith.diff;pos.parallax;meta.main)
  (1)n_z (char) [a] Note on redshift (Note 2)   ((unassigned);meta.version;arith.diff;phys.veloc.orbital)
  (1+3)Band (char) Band if not V ((unassigned);meta.version;arith.diff;meta.ref.url)
  (1)l_Vmag (char) Limit falg on Vmag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (1)Vmag mag (n) Magnitude, usually in V, or in Band (Note 3)   ((unassigned);(unassigned);(unassigned);stat.filling)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)l_B-V (char) Limit flag on B-V ((unassigned);meta.version;arith.diff;pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  (1)B-V mag (n) B-V colour index ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  (1)l_U-B (char) Limit flag on U-B ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  (1)U-B mag (n) U-B colour index ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  (1)Names (char) Names mainly known to identify the objects (Note 4)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1)Ref (char) References to other known publications where it is possible to get an identification map (Note 5)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)Def (char) Type definition (Note 1)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (3)Accro (char) Acronym ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (3)Full (char) Full denomination (time.lifetime;(unassigned);arith.factor;phys.veloc.orbital)
  (3)Refs (char) References ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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