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/ApJ/943/167
  FSRQs & BL Lac objects from 4FGL blazar candidates (Kaur+, 2023)
ReadMe+ftp
2023ApJ...943..167K
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/943/167/sampleSource sample from Kerby+ 2021, J/ApJ/923/75: blazar candidates (Table 2) and association results based on the neural network probabilities (Table 3) (113 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);(unassigned);(unassigned);phys.veloc)
  4FGL (char) Fermi 4FGL catalog identifier (JHHMM.m+DDMM) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  SwXF4 (char) Swift/XRT SwXF4 identifier (JHHMMSS.s+DDMMSS) ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)
  SwUVF4 (char) Swift/UVOT SwUVF4 identifier (JHHMMSS.s+DDMMSS) ((unassigned);(unassigned);(unassigned);src.class.color)
  logFg [mW/m2] [-12.14/-10.19] Log Gamma-ray flux; erg/s/cm2 ((unassigned);instr.calib;stat.min;phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  Gamma   [1.69/3.1] The Gamma-ray photon index ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  Var   [-4/0.73] Year-over-year Gamma-ray variability index ((unassigned);(unassigned);(unassigned);pos.wcs.crpix;meta.main)
  Curve   [0.48/1.9] Significance of the curvature in Gamma-ray spectrum (stat.fit.omc;meta.id.assoc;arith.factor;phys.polarization.circular;meta.main)
  logFX/Fg [-] [-1.66/3.2] Log X-ray to Gamma-ray flux (spect.index;(unassigned);arith.factor;meta.abstract;(unassigned);(unassigned);(unassigned))
  logFV/Fg [-] [-5.96/-1.9] Log V band to Gamma-ray flux ((unassigned);(unassigned);arith.factor;meta.abstract;(unassigned);(unassigned);(unassigned))
  W1-W2 mag [-0.09/1.2] WISE (W1-W2) color index (instr.fov;meta.number;arith;pos.healpix;(unassigned);(unassigned);(unassigned))

ALL cols		    
 (i)indexed column
  W2-W3 mag (n) [-0.17/3.31] WISE (W2-W3) color index (phot.flux.density.sb;pos.parallax.trig;arith.factor;pos.healpix;(unassigned);(unassigned);(unassigned))
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  RType (char) Result type code (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.galactic)
  f_4FGL (char) [b] Flag on 4FGL (Note 2)   (pos.cylindrical;phys.atmol.qn;(unassigned);pos.eq.dec)
  Pfsrq  (n) [0.006/0.993] Probability source is an FSRQ ((unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  SType (char) Source type from SIMBAD/SDSS (time.epoch;meta.id.assoc;arith.factor;phys.atmol.sweight;meta.main)
  z  (n) [0.05/1.66] Redshift ((unassigned);instr.det.psf;stat.min;pos.parallax;meta.main)
  r_z (char) Reference and/or flag for z (Note 3)   ((unassigned);pos.bodyrc.lat;(unassigned);phys.veloc.dispersion;pos.parallax;meta.main)
  _RA deg Positions from SwUVF4 names (right ascension part) ((unassigned);pos.bodyrc.lat;(unassigned);(unassigned);arith)
  _DE deg Positions from SwUVF4 names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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=846434432 Where phase=3 and catid=19430167
**** 
**** --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/VR74871.err (2026-10-27T16:40:32)
-3
-source=J/ApJ/943/167/sample
-ref=VIZ6ae0d40012477
elapse time 0