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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Yunnan Observatory photoelectric astrolabe catalogue (Hu+ 1996)
Post annotation
1.J/A+AS/118/239/table1J2000 positions of YPAC (609 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)
  YPAC  Number in YPAC (;meta.main)
  Catal (char) Catalogue's designation (Note 1)   (;meta.dataset)
  Vmag mag Visual magnitude from above catalogue. (phot.mag;em.opt.V)
  RAJ2000 "h:m:s" (i) Right ascension J2000.0 (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination J2000.0 (pos.eq.dec;meta.main)
  e_RAs ms Internal precision of right ascension. (stat.error)
  e_DEs 10mas (n) Internal precision of declination. (stat.error)
  Mean yr epoch of observations minus 1900.00. (time.epoch)
  DRA ms (n) Differences YPAC-FK5 or YPAC-CMC in RA (pos.eq.ra;arith.diff)
  DDE 10mas (n) Differences YPAC-FK5 or YPAC-CMC in DE (pos.eq.dec;arith.diff)
  Name  (n) Number of FK5 or CMC, where the one that is larger than 10000 is that of the CMC. (Note 2)   (

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