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/923/75
  X-ray/UV/opt counterparts of 4FGL gamma-ray sources (Kerby+, 2021)
ReadMe+ftp
2021ApJ...923...75K
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/923/75/table3*Fermi-LAT features for the unassociated sample investigated in this work, along with Swift-XRT and -UVOT parameters for all possible X-ray/UV/optical counterparts (single counterpart) (Note) (174 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);meta.version;arith.diff;phys.veloc)
  Type (char) Source type code (Note 1)   ((unassigned);phys.atmol.number;arith.diff;pos.galactic)
  4FGL (char) Target 4FGL identifier (JHHMM.m+DDMMc) (Note 2)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  logFG [10-7W/cm2] [-12.1/-10.2] Log {gamma}-ray flux; erg/s/cm2 ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  GammaG   [1.25/3.01] The {gamma}-ray photon index ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  VarInd   [1.23/59.61] Year-over-year {gamma}-ray variability index ((unassigned);(unassigned);(unassigned);pos.eq.dec;pos.wcs.crpix;meta.main)
  CurvInd   [0/14.3] The {gamma}-ray curvature index ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  SwXF4 (char) Target SwXF4 identifier (JHHMMSS.s+DDMMSS) ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)
  logFX [10-7W/cm2] [-13.11/-7.39] Log X-ray 0.3-10keV flux; erg/s/cm2 ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  GammaX   [-1.6/10] X-ray photon index ((unassigned);pos.galactic.lon;arith.factor;phys.abund.Y;meta.main)
  UVOT (char) Swift/UVOT filter used ((unassigned);meta.version;arith.diff;pos.eq.dec;phys.SFR)
  Vmag mag [14.68/22.7] Apparent V band Vega magnitude (Note G1)   ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  Pbzr   [0.0015/1] The blazar probability ((unassigned);(unassigned);(unassigned);phys.polarization.circular;meta.main)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  _RA deg Positions from X-ray source name (SwXF4) (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Positions from X-ray source name (SwXF4) (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846431685 Where phase=3 and catid=19230075
**** 
**** --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/VR39883.err (2026-10-27T15:54:44)
-3
-source=J/ApJ/923/75/table3
-ref=VIZ6ae0c9459bcb
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