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  PHA I observations (Xu+ 1998)
Post annotation
1.J/A+AS/132/233/appendixThe first preliminary catalog of PHA I (200 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)
  FK5  No. of FK5 star (;meta.main)
  Vmag mag V magnitude (phot.mag;em.opt.V)
  SpType (char) Spectral type (src.spType)
  RAJ2000 "h:m:s" (i) Right ascension at observational epoch (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination at observational epoch (J2000) (pos.eq.dec;meta.main)
  DRA s DRA (observation - FK5) (pos.eq.ra;arith.diff)
  e_RAs s rms uncertainty on RA (stat.error)
  ERA1 arcsec 15*e_RA*cos(declination) (stat.error)
  DDE arcsec DDE (observation - FK5) (pos.eq.dec;arith.diff)
  e_DEs arcsec rms uncertainty on declination (stat.error)
  Ep-1900 yr mean epoch of observation (1900+) (time.epoch)
  Flag   [1/2] 1–basic star, 2–catalogue star (meta.code)

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