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/MNRAS/493/1926
  4FGL blazar classification neural network (Kovacevic+, 2020)
ReadMe+ftp
2020MNRAS.493.1926K
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/493/1926/table2*BL Lac probability for each BCU in 4FGL catalog (v19) in ascending order (Note) (1329 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);phys.veloc.orbital;arith.diff;phys.veloc)
  Name (char) BCU name in 4FGL catalog (4FGL_JHHMM.m+DDMM) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  GLAT deg Galactic latitude (Note 1)   (XXXXXXX)
  GLON deg Galactic longitude (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);meta.main)
  Lb   [0/1] BL Lac probability (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;meta.main)
  b_Lb   [0/1] Lower limit of error interval of Lb (Note 3)   ((unassigned);phys.veloc.microTurb;arith;time.age;obs.occult;arith.ratio)
  B_Lb   [0/1] Upper limit of error interval of Lb (Note 3)   ((unassigned);(unassigned);(unassigned);time.age;obs.occult;pos.phaseAng;meta.main)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS ((unassigned);(unassigned);(unassigned);(unassigned))
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS ((unassigned);(unassigned);(unassigned);(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=846492146 Where phase=3 and catid=74931926
**** 
**** --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 
****error getting UCD 1095216660480 1020
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR987132.err (2026-10-28T08:42:26)
-3
-source=J/MNRAS/493/1926
-ref=VIZ6ae1b572f0ffc
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