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/248
  Quasars and Active Galactic Nuclei (12th Ed.) (Veron+ 2006)
ReadMe+ftp
2006A&A...455..773V
Similar Catalogs
This catalogue is obsoleted by VII/258
Post annotation 		img(gal)
1.VII/248/vv06(c)Quasars (Mv<-23), BL Lac and AGNs(Mv>-23) (108080 rows)
2.VII/248/rejected(c)Rejected quasars (141 rows)
3.VII/248/refsReferences to QSOs, BL Lac, AGN and rejected (2477 rows)
4.VII/248/table2List of gravitationally lensed quasars (69 rows)
5.VII/248/table3List of quasar pairs (38 rows)
6.VII/248/ref2References to table2 and table3 (88 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);(unassigned);(unassigned);phys.veloc)
  (1)Cl (char) Class, as Q (quasar, Mv<-23), B (BL Lac) and A (Active galaxy nucleus, Mv>-23) ((unassigned);(unassigned);arith.grad;phys.atmol.sweight;meta.main)
  (1+2)nR (char) [*] '*' if not detected in radio (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1+2+4+5)Name (char) Most common name of the object ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1+2)RAJ2000 "h:m:s" (i) Right Ascension J2000 (see also n_RAh) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1+2)DEJ2000 "d:m:s" (i) Declination J2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  (1+2)n_RAh (char) [AOR] Approximative/Optical/Radio position (Note 2)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1)F6cm Jy (n) 6cm (5GHz) flux ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)r_F6cm  (n) [1,2477] Reference of 6cm Flux ((unassigned);phys.veloc.orbital;arith.diff;phys.size.diameter)
  (1)F20cm Jy (n) 20cm (1.4GHz) flux (Jy) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)r_F20cm  (n) [1,2477] Reference of 20cm flux ((unassigned);phys.veloc.orbital;arith.diff;phys.size.diameter)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)l_z (char) [>*] limit or method flag on z (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic.lon;pos.parallax;meta.main)
  (1+2+5)z  (n) redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (1+2)Sp (char) [S0-9?HPQBLbhin. ] Spectrum classification (Note 3)   ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  (1+2)n_Vmag (char) [*BRIJKO] Photographic(*), blue(B), red(R), infra-red (I J K) or photographic O- or J- plates(O) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1+2)Vmag mag (n) magnitude, V or other (see n_Vmag) ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1+2)B-V mag (n) colour index ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  (1+2)U-B mag (n) colour index (pos.cylindrical;(unassigned);arith.factor;pos.healpix;(unassigned);(unassigned);(unassigned))
  (1)Mabs mag (n) Absolute magnitude (time.lifetime;(unassigned);arith.factor;(unassigned))
  (1+2)FC  (n) [1,2477] Reference of the Finding Chart ((unassigned);(unassigned);(unassigned);phys.size.diameter)
   (1+2)r_Vmag  (n) [1,2477] Reference of the Photometry ((unassigned);phys.veloc.orbital;arith.diff;phys.size.diameter)
  (1)r_z  (n) [1,2477] Reference of the redshift ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (2)n_z (char) [*] '*' for z measured by slitless spectroscopy ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)r_Sp  (n) [1,2477] Reference of Sp ((unassigned);(unassigned);(unassigned);phys.size.diameter)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Sp2 (char) [QGH2*? ] New classification ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  (2)r_Sp2  (n) [1,2477] Reference of New classification ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (2)RA1950 "h:m:s" Right Ascension B1950 ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)DE1950 "d:m:s" Declination B1950 ((unassigned);(unassigned);(unassigned);(unassigned))
  (3)RefNo   [1,2477] Reference Number ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (3)BibCode (char) The 19-digit bibcode (Note)   ((unassigned);(unassigned);(unassigned);pos.angDistance)
  (3)Text (char) Text of reference ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (4+5)Bname (char) QSO name, based on 1950 position ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (4)zq  redshift of Quasar ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (4)zlens  (n) Redshift of lens ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  (4+5)Sep arcsec (n) Separation between the images ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  (4+5)Refs (char) References detailed in table ref2.dat ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  (6)Ref2  Reference number used in table2 and table3 ((unassigned);(unassigned);(unassigned);phys.size.diameter)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (6)ref  (n) Reference number in file "refs.dat" ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  (6)bibCode (char) 19-digit "bibcode" used by ADS, NED and SIMBAD ((unassigned);(unassigned);(unassigned);pos.angDistance)
  (6)Authors (char) First author(s) ((unassigned);(unassigned);(unassigned);phys.temperature)

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=846506800 Where phase=3 and catid=7248
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846506800 Where phase=3 and catid=7248
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846506800 Where phase=3 and catid=7248
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846506800 Where phase=3 and catid=7248
**** 
**** --POSTGRES MSG db=0
**** 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/VR1714246.err (2026-10-28T12:46:39)
-3
-source=VII/248
-ref=VIZ6ae1eeb01a2846
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