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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

  
I/251
  VLBI International Celestial Reference Frame (ICRF) (Ma+, 1997)
ReadMe+ftp
1997AAS...191.1613M
Similar Catalogs
This catalogue is obsoleted by I/323
Post annotation 		img(gal)
1.I/251/rsc95r01ICRF RSC(WGRF)95 R 01 all sources (608 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. (meta.record)
  ICRF (char) ICRF designation (Note)   (meta.id;meta.main)
  IERS (char) IERS designation (Note)   (meta.id)
  c (char) [DCO] Defining / Candidate / Other category of source (Note)   (meta.note)
  X  (n) X band structure index (spect.index;em.X-ray)
  S  (n) S band structure index (spect.index)
  Hip (char) [* ] Link to Hipparcos reference frame (Note)   (meta.ref;pos.frame)
  RAJ2000 "h:m:s" (i) Right Ascension (J2000) hours (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) degrees (pos.eq.dec;meta.main)
  e_RAJ2000 s Uncertainty in Right Ascension (stat.error;pos.eq.ra)
  e_DEJ2000 arcsec Uncertainty in Declination (stat.error;pos.eq.dec)
  Corr  (n) [-1,1] RA/Dec correlation (stat.correlation)
  Ep d Mean date of observation (JD) (time.epoch)
  O1 d First date of observation (JD) (time.epoch;obs)
  Ol d Last Julian date of observation (JD) (time.epoch;obs)
  Nsess  Number of observing sessions (meta.number)
  Ndel  Number of delay, delay rate obs. pairs (meta.number)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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