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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/202/19
  riz photometry in Cyg OB2 (Guarcello+, 2012)
ReadMe+ftp
2012ApJS..202...19G
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/202/19/cygob2Final OSIRIS catalog of Cyg OB2 (table3 of paper) (64157 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  ID  (i) [1/64157] Sequential source ID (meta.id;meta.main)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  rmag mag (n) Magnitude in r band in the AB system (phot.mag;em.opt.R)
  e_rmag mag (n) Error associated with r magnitude (stat.error;phot.mag;em.opt.R)
  imag mag (n) Magnitude in i band in the AB system (phot.mag;em.opt.I)
  e_imag mag (n) Associated with i magnitude (stat.error;phot.mag;em.opt.I)
  zmag mag (n) Magnitude in z band in the AB system (phot.mag;em.opt.I)
  e_zmag mag (n) Error associated with z magnitude (stat.error;phot.mag;em.opt.I)
  chi  χ2 from the PSF fitting (Note 1)   (stat.fit.chi2)
  Sharp  Sharp parameter describing the stellar profile (Note 1)   (stat.fit.param)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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