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/892/105
  Fourth catalog of Fermi LAT-detected AGNs (4LAC) (Ajello+, 2020)
ReadMe+ftp
2020ApJ...892..105A
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/892/105/table53LAC sources not present in 4LAC (93 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);arith.grad;phys.veloc)
  3FGL (char) 3FGL Name ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  CName (char) Counterpart Name (stat.fit.param;pos.wcs.ctype;arith.grad;spect.line.veloc)
  Class (char) 3LAC Class (Note 1)   ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  n_3FGL (char) Reason for 3LAC source not present in 4LAC (Note 2)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);arith.factor;pos.geocentric)
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);meta.version;arith.diff;(unassigned);arith)
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

ALL cols		    
 (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=846431645 Where phase=3 and catid=18920105
**** 
**** --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/VR39009.err (2026-10-27T15:54:04)
-3
-source=J/ApJ/892/105/table5
-ref=VIZ6ae0c91d9861
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