VizieR

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VizieR

  
J/ApJ/892/105
  Fourth catalog of Fermi LAT-detected AGNs (4LAC) (Ajello+, 2020)
ReadMe+ftp
2020ApJ...892..105A
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Post annotation 		img(gal)
1.J/ApJ/892/105/table7Properties of the 4LAC Very-High-Energy (VHE) AGN (78 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)
  4FGL (char) 4FGL Name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  OName (char) Very-High-Energy Name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  LL (char) [*] * = low-latitude sources not in 4LAC ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  Class (char) Class (Note 1)   ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  SED (char) SED Class (Note 2)   (time.equinox;(unassigned);arith.factor;pos.galactic)
  z  (n) [0.01/0.94] Redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  Photon   [1.53/2.65] Photon Index ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  e_Photon   [0.01/0.18] Uncertainty in Photon Index (phot.limbDark;stat.error.sys;arith.grad;time.age;meta.main)
  Var   [1.77/17567] Variability Index ((unassigned);phys.veloc.orbital;arith.diff;pos.wcs.crpix;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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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=846448765 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/VR335976.err (2026-10-27T20:39:22)
-3
-source=J/ApJ/892/105/table7
-ref=VIZ6ae10bfc52068
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