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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/A+AS/44/387
 Hα-emission stars (Macconnell+, 1981)
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img(gal)
1.J/A+AS/44/387/catalogCatalog of stars having H-α emission (737 early-type and 34 late-type) (771 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)
  Tbl  (n) [I ] Table number (I or II) (meta.id;meta.main)
  No   [1/737] Star number in table (meta.id)
  RAJ2000 "h:m:s" Right Ascension J2000 (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Declination J2000 (pos.eq.dec;meta.main)
  s (char) [UTMgs?] Source of position (Note 1)   (meta.ref;pos.frame)
  Vmag mag (n) V-band magnitude (Note 1)   (phot.mag;em.opt.V)
  SpT (char) Spectral type (src.spType)
  Remarks (char) Remarks, by B. Skiff (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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