VizieR

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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/853/68
  Multi-epoch VLBA imaging of 20 Tev blazars (Piner+, 2018)
ReadMe+ftp
2018ApJ...853...68P
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/853/68/table2Observed sources (20 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)
  Name (char) Name of the TeV high-frequency-peaked BL Lac (HBL) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Comp  (n)Number of component speeds for this source (link to table 6) ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  BName (char) (i) B1950 name (HHMM+ddd; B1950) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  z   [0.06/0.6] Redshift from TeVCat unless otherwise indicated ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  r_z (char) [a-d, ] Note(s) on z (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  Img   [4/5] Number of VLBA images ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  Date1 "Y:M:D" (n)First epoch of observation ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  Date2 "Y:M:D" (n)Last epoch of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  Ng  (n)Number of Gaussian model data for this source (link to table 5) (phot.limbDark;phys.mol;arith.grad;src.var)
  Simbad  ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((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=846533660 Where phase=3 and catid=18530068
**** 
**** --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/VR3357894.err (2026-10-28T20:14:17)
-3
-source=J/ApJ/853/68/table2
-ref=VIZ6ae2579b333cc6
elapse time 3