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 riz photometry in Cyg OB2 (Guarcello+, 2012)
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1.J/ApJS/202/19/cygob2Final OSIRIS catalog of Cyg OB2 (table3 of paper) (64157 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  ID   [1/64157] Sequential source ID (;meta.main)
  RAJ2000 deg Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg 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)   (
  Sharp  Sharp parameter describing the stellar profile (Note 1)   (

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