CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .


Looking for catalogs ..
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

  Second epoch VLBA Calibrator Survey (VCS-II) (Gordon+, 2016)
Post annotation
1.J/AJ/151/154/catalogVCS-II catalog: re-observed sources (table 2), and originally undetected VCS sources (table 3) (2386 rows)

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. (meta.record)
  Sce (char) re-observed source (table 2), or source that had been observed but not detected (new) in the original VCS1-6 analysis (table 3) (meta.code)
  VCS-II (char) Identifier based on J2000 positions (JHHMM+DDMM format) (Note 1)   (;meta.main)
  IVS (char) Identifier from the International Very long baseline interferometry (VLBI) Service for Geodesy and Astrometry (IVS) (HHMM+DDd, B1950) (
  VCS  (n)Number of sources in the VCS1-6 catalogs (meta.number)
  ICRF2  (n)Number of sources in ICRF2 catalog (Ma et al. 2009, cat. I/323) (meta.number)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  e_RAJ2000 mas Inflated error in RAs (Note 2)   (stat.error;pos.eq.ra)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  e_DEJ2000 mas Inflated error in DEs (Note 2)   (stat.error;pos.eq.dec)
  SStot Jy [0.03/5.5] Total S band (∼2.3GHz) flux density (Note 3)   (phot.flux.density;
  SSun Jy [0/2.36] Unresolved S band (∼2.3GHz) flux density (Note 3)   (phot.flux.density;
  SXtot Jy [0.02/5.5] Total X band (∼8.6GHz) flux density (Note 3)   (phot.flux.density;
  SXun Jy [0/1.57] Unresolved X band (∼8.6 GHz) flux density (Note 3)   (phot.flux.density;
  alpha   [-1.91/1.44] Spectral index α (where Sν∝να) (Note 3)   (spect.index)
  Date "Y:M:D" (n)Date of the flux observations (time.epoch)
  Nobs   [3/986] Total number of observations (Note 4)   (meta.number)
  OName (char) Other name(s) (
  SimbadName (char) Designation understandable by the Simbad data-base (

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  
elapse time 1

Cite/acknowledge VizieR catalogue
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact