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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/AJ/134/2474
 Hα emission-line stars in 7 dwarfs galaxies (Massey+, 2007)
Post annotation
img(gal)
1.J/AJ/134/2474/tablesHα emission-line stars in 8 galaxies (tables 8-15 of the paper) (7158 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)
  Gal (char) Galaxy name (meta.id.parent)
  LGGS (char) LGGS Designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  n_LGGS (char) S indicates a news spectroscopic identification in table17 (meta.ref.url)
  HAmag mag The Hα band magnitude (phot.flux;em.line.Halpha)
  HA-S2 mag The (Hα-[SII]) color index (phot.color;em.opt.V;em.line.Halpha)
  O3-c mag The ([OIII]-continuum) color index (spect.index)
  Vmag mag The V band magnitude (phot.mag;em.opt.V)
  B-V mag The (B-V) color index (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) The (U-B) color index (phot.color;em.opt.U;em.opt.B)
  Qmag mag (n) reddening-free index Q = U-B -0.72(B-V) (phot.color.reddFree)
  SpType (char) Spectral class (if available) (src.spType)
  CrossID (char) Cross identification (if available) (meta.id;phys.atmol.crossSection)
  Ref (char) References for spectral type (Note 1)   (meta.ref)
  RAJ2000 "h:m:s" Hour of Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Degree of Declination (J2000) (pos.eq.dec;meta.main)

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(n) indicates a possible blank or NULL column  
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