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/A+A/466/63
  VLBI observations of BL Lac objects (Wu+, 2007)
ReadMe+ftp
2007A&A...466...63W
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/466/63/table4The sample of 170 BL Lac objects selected from Nieppola et al. (2006, Cat. J/A+A/445/441). (170 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)
  IAU (char) IAU name (HHMM+DDd) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  Source (char) Source name ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  z  Redshift ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  n_z (char) [*] * for unknown redshift and taken as the average redshift of LBL/IBL/HBL subclass ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  log(nu) [Hz] Intrinsic synchrotron peak frequency after excluding the Doppler factor, log(nu'peak) ((unassigned);phys.veloc.orbital;arith.diff;instr.spect)
  logP [W/Hz] Total radio power at 408MHz ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  n_logP (char) [abcde] Frequency used to derive logP (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  logPc [W/Hz] 5GHz core luminosity ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);(unassigned);(unassigned))
  FExt mJy (n) 5GHz extended flux density ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  n_FExt (char) [f] f: extend flux at 1.4GHz ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  Refs (char) References for core and extended flux in refs.dat file ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion;€?**ucdid=0**?)
  delta  Doppler factor ((unassigned);phys.veloc.orbital;arith.diff;phys.absorption.opticalDepth;meta.main)
  theta3 deg Viewing angle of {GAMMA}=3 ((unassigned);(unassigned);(unassigned);pos.earth.lon;meta.main)
  theta5 deg Viewing angle of {GAMMA}=5 ((unassigned);phys.veloc.orbital;arith.diff;pos.earth.lon;meta.main)
  theta10 deg Viewing angle of {GAMMA}=10 ((unassigned);phys.veloc.orbital;arith.diff;pos.earth.lon;meta.main)
  SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc)
  _RA deg Computed Right Ascension for Equinox: J2000 ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  _DE deg Computed Declination for Equinox: J2000 ((unassigned);phys.veloc.orbital;arith.diff;(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=846448061 Where phase=3 and catid=34660063
**** 
**** --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/VR320899.err (2026-10-27T20:27:38)
-3
-source=J/A+A/466/63/table4
-ref=VIZ6ae1093c4e583
elapse time 3