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. (meta.record)
   (ALL)Type (char) Type of the object (Note 1)   (src.class)
  (1)Name (char) First name (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)l_z (char) Limit flag on z (meta.code.error;src.redshift)
  (1)z  (n) Redshift (src.redshift)
  (1)n_z (char) [a] Note on redshift (Note 2)   (meta.note)
  (1+3)Band (char) Band if not V (instr.bandpass)
  (1)l_Vmag (char) Limit falg on Vmag (meta.code.error)
  (1)Vmag mag (n) Magnitude, usually in V, or in Band (Note 3)   (phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)l_B-V (char) Limit flag on B-V (meta.code.error;phot.color;em.opt.B)
  (1)B-V mag (n) B-V colour index (phot.color;em.opt.B;em.opt.V)
  (1)l_U-B (char) Limit flag on U-B (meta.code.error;phot.color;em.opt.U)
  (1)U-B mag (n) U-B colour index (phot.color;em.opt.U;em.opt.B)
  (1)Names (char) Names mainly known to identify the objects (Note 4)   (meta.note)
  (1)Ref (char) References to other known publications where it is possible to get an identification map (Note 5)   (meta.note)
  (2)Def (char) Type definition (Note 1)   (meta.note)
  (3)Accro (char) Acronym (meta.id;meta.main)
  (3)Full (char) Full denomination (meta.note)
  (3)Refs (char) References (meta.ref;pos.frame)

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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