VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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VizieR

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/208/28
  Hα survey in the ONC (Szegedi-Elek+, 2013)
ReadMe+ftp
2013ApJS..208...28S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/208/28/table1(c)Hα emission stars classified as classical T Tauri stars (372 rows)
2.J/ApJS/208/28/table2(c)Hα emission stars classified as weak-line T Tauri stars (187 rows)
3.J/ApJS/208/28/table3(c)Hα stars without classification (28 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)2MASS (char) 2MASS identifier (except "d" flagged) (meta.id;meta.main)
  (1)n_2MASS (char) [*d] New/UKIDSS source (Note G1)   (meta.note)
  (1+2)l_EWa (char) Limit flag on EWa (meta.code.error)
  (1+2)EWa 0.1nm (n) Equivalent width measured in 2010/12/31 (Note G2)   (spect.line.eqWidth)
  (1+2)e_EWa 0.1nm (n) Uncertainty in EWa (stat.error)
  (1)EWa2 0.1nm (n) 2nd equivalent width measured in 2010/12/31 (Note G2)   (spect.line.eqWidth)
  (1)e_EWa2 0.1nm (n) Uncertainty in EWa2 (stat.error)
  (1+2)EWb 0.1nm (n) Equivalent width measured in 2011/01/02 (Note G2)   (spect.line.eqWidth)
  (1+2)e_EWb 0.1nm (n) Uncertainty in EWb (stat.error)
  (1)EWb2 0.1nm (n) 2nd equivalent width measured in 2011/01/02 (Note G2)   (spect.line.eqWidth)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_EWb2 0.1nm (n) Uncertainty in EWb2 (stat.error)
  (1+2)l_EWc (char) Limit flag on EWc (meta.code.error)
  (1+2)EWc 0.1nm (n) Equivalent width measured in 2011/01/25 (Note G2)   (spect.line.eqWidth)
  (1+2)e_EWc 0.1nm (n) Uncertainty in EWc (stat.error)
  (1)EWc2 0.1nm (n) 2nd equivalent width measured in 2011/01/25 (spect.line.eqWidth)
  (1)e_EWc2 0.1nm (n) Uncertainty in EWc2 (stat.error)
  (1+2)EWd 0.1nm (n) Equivalent width measured in 2011/02/27 (Note G2)   (spect.line.eqWidth)
  (1+2)e_EWd 0.1nm (n) Uncertainty in EWd (stat.error)
  (1)EWd2 0.1nm (n) 2nd equivalent width measured in 2011/02/27 (spect.line.eqWidth)
  (1)e_EWd2 0.1nm (n) Uncertainty in EWd2 (stat.error)
  (1+2)EWe 0.1nm (n) Equivalent width measured in 2011/10/16 (Note G2)   (spect.line.eqWidth)
  (1+2)e_EWe 0.1nm (n) Uncertainty in EWe (stat.error)
  (1+2)r'mag mag (n) The r' band magnitude converted to SDSS system (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+2)r'-i' mag (n) The (r'-i') color index (phot.color;em.opt.R;em.opt.I)
   (ALL)CID (char) Cross identification(s) (meta.id;phys.atmol.crossSection)
  (1+2)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
   (ALL)_RA deg (i) Positions from 2MASS or UGCS names (right ascension part) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Positions from 2MASS or UGCS names (declination part) (pos.eq.dec;meta.main)
  (2+3)f_2MASS (char) [*d+] New, UKIDSS or blended source (Note G1)   (meta.code)
  (2)l_EWb (char) Limit flag on EWb (meta.code.error)
  (3)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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