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/495/691
  Multifrequency catalogue of blazars, Roma-BZCAT (Massaro+, 2009)
ReadMe+ftp
2009A&A...495..691M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/495/691/bzcat4(c)Multi-frequency catalogue of blazars (Roma-BZCAT) Version 4.1.1 (2012-August) (3149 rows)
2.J/A+A/495/691/bzcat1(c)Multi-frequency catalogue of blazars (Roma-BZCAT) Version 1.0 (2009-November) (old version) (2837 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)Seq   [1-3419] Sequential number ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)Name (char) Source name (based on J2000 position) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)RAJ2000 "h:m:s" Right ascension (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)DEJ2000 "d:m:s" Declination (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)z  Redshift ((unassigned);phys.veloc.microTurb;arith;pos.parallax;meta.main)
   (ALL)u_z (char) [ >?] Uncertainty flag on Redshift ((unassigned);pos.galactic.lon;arith.diff;pos.galactic.lon;pos.parallax;meta.main)
   (ALL)Rmag mag (n) R-band magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
   (ALL)Class (char) Source classification (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sweight;meta.main)
  (1)F1.4 mJy Radio flux 1.4GHz (from NVSS or SUMSS) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (1)F143 mJy Radio flux 143GHz ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)FX fW/m2 X-ray flux 0.1-2.4keV (in 10–12erg/cm2/s) ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  (1)Fgam ph/cm2/s {gamma}-ray flux 1-100GeV (Fermi) ((unassigned);obs.atmos;arith.factor;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
   (ALL)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)n_Rmag (char) Comment on Rmag (other band) ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)FR mJy Radio flux, from NVSS or SUMSS (Note 2)   ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  (2)r_FR (char) [fpsw] Origin of radio flux (Note 2)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion;(unassigned))

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=846443815 Where phase=3 and catid=34950691
**** 
**** --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=846443815 Where phase=3 and catid=34950691
**** 
**** --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/VR215820.err (2026-10-27T19:16:54)
-3
-source=J/A+A/495/691
-ref=VIZ6ae0f8a634b0c
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