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 International Celestial Reference Frame 2, ICRF2 (Ma+, 2009)
Post annotation
1.I/323/icrf2ICRF2 catalog (tn35.pdf) (3414 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)
  ICRF (char) International Celestial Reference Frame name, (JHHMMSS.s+DDMMSS) (pos.frame)
  IVS (char) International VLBI Service name, (HHMM+DDd, B1950 equinox) (
  IERS (char) International Earth Rotation and Reference Systems Service name (HHMM+DDd, B1950 equinox) (pos)
  fl (char) [DVN] Flag on source role (Note 1)   (meta.note)
  RAJ2000 "h:m:s" Right Ascension (J2000) (pos.eq.ra;meta.main)
  e_RAJ2000 s Inflated formal error in Right Ascension (stat.error;pos.eq.ra)
  DEJ2000 "d:m:s" Declination (J2000) (pos.eq.dec;meta.main)
  e_DEJ2000 arcsec Inflated formal error in Declination (stat.error;pos.eq.dec)
  Corr   [-1/1] Correlation between RA and Dec (stat.correlation)
  Ep d Mean observation epoch (MJD) (time.epoch;obs;stat.mean)
  Of d First observation epoch (MJD) (time.epoch;obs)
  Ol d Last observation epoch (MJD) (time.epoch;obs)
  Nexp  Number of VLBI sessions (meta.number)
  Nobs  Number of VLBI observations (meta.number)

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