VizieR

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VizieR

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J/ApJS/202/19/cygob2 riz photometry in Cyg OB2 (Guarcello+, 2012)
Final OSIRIS catalog of Cyg OB2 (table3 of paper) (64157 rows)
  ID=60685
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ColumnValue  Explain   (UCD)
_RAJ200020 32 26.3159 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+40 58 37.712 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195020 30 38.1760 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+40 48 22.497 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon079.8620925 deg Galactic longitude at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+00.7102035 deg Galactic latitude at Epoch=J2009.7 (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

ID60685  (i) [1/64157] Sequential source ID (meta.id;meta.main)
RAJ2000308.10965 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.97714 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
rmag24.940 mag Magnitude in r band in the AB system (phot.mag;em.opt.R)
e_rmag 0.271 mag Error associated with r magnitude (stat.error;phot.mag;em.opt.R)
imag24.248 mag Magnitude in i band in the AB system (phot.mag;em.opt.I)
e_imag 0.155 mag Associated with i magnitude (stat.error;phot.mag;em.opt.I)
zmag23.068 mag Magnitude in z band in the AB system (phot.mag;em.opt.I)
e_zmag 0.133 mag Error associated with z magnitude (stat.error;phot.mag;em.opt.I)
chi 1.14  χ2 from the PSF fitting (Note 1)   (stat.fit.chi2)
Sharp 6.90  Sharp parameter describing the stellar profile (Note 1)   (stat.fit.param)
  
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