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/catalogQUasar Atlas and Catalogue (QUAC) (3630588 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);em.freq;(unassigned);phys.veloc)
  Type (char) Type of the object (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)
  Name (char) First name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  l_z (char) Limit flag on z ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;pos.parallax;meta.main)
  z  (n) Redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  n_z (char) [a] Note on redshift (Note 2)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Band (char) Band if not V ((unassigned);(unassigned);(unassigned);meta.ref.url)
  l_Vmag (char) Limit falg on Vmag ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  Vmag mag (n) Magnitude, usually in V, or in Band (Note 3)   (time.equinox;(unassigned);arith.factor;stat.filling)
  l_B-V (char) Limit flag on B-V ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  B-V mag (n) B-V colour index ((unassigned);phys.size.diameter;arith.grad;pos.healpix;(unassigned);(unassigned);(unassigned))
  l_U-B (char) Limit flag on U-B ((unassigned);(unassigned);(unassigned);pos.galactic.lon;pos.healpix;(unassigned);(unassigned))
  U-B mag (n) U-B colour index ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  Names (char) Names mainly known to identify the objects (Note 4)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Ref (char) References to other known publications where it is possible to get an identification map (Note 5)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846511669 Where phase=3 and catid=7298
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2122577.err (2026-10-28T14:07:48)
-3
-source=VII/298/catalog
-ref=VIZ6ae201b5206351
elapse time 1