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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/183/261
  Optical photometry of the ONC (Da Rio+, 2009)
ReadMe+ftp
2009ApJS..183..261D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/183/261/table5Hα excess (1040 rows)

Simple ConstraintList Of Constraints
 
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)
  Seq  Running identification number (meta.id;meta.main)
  [DRS2009]  Identification number from table2.dat (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  EWA 0.1nm Hα equivalent width in Angstroms (Note 1)   (spect.line.eqWidth)
  EWHz Hz Hα equivalent width in Hertz (Note 1)   (spect.line.eqWidth)
  Ex.erg mW/m2 Hα excess in erg/s/cm2 (phot.color.excess)
  Ex.mJy mJy Hα excess in mJy (phot.color.excess)
  Cont.erg mW/m2 Hα continuum in erg/s/cm2 (phot.flux;em.line.Halpha)
  Cont.mJy mJy Hα continuum in mJy (phot.flux;em.line.Halpha)

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