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=60300
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ColumnValue  Explain   (UCD)
_RAJ200020 32 35.3393 "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 59 11.509 "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 47.1911 "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 55.775 "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)
_Glon079.8864939 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+00.6929294 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)

ID60300  (i) [1/64157] Sequential source ID (meta.id;meta.main)
RAJ2000308.14725 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.98653 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
rmag25.330 mag Magnitude in r band in the AB system (phot.mag;em.opt.R)
e_rmag 0.389 mag Error associated with r magnitude (stat.error;phot.mag;em.opt.R)
imag23.957 mag Magnitude in i band in the AB system (phot.mag;em.opt.I)
e_imag 0.128 mag Associated with i magnitude (stat.error;phot.mag;em.opt.I)
zmag22.280 mag Magnitude in z band in the AB system (phot.mag;em.opt.I)
e_zmag 0.118 mag Error associated with z magnitude (stat.error;phot.mag;em.opt.I)
chi 1.19  χ2 from the PSF fitting (Note 1)   (stat.fit.chi2)
Sharp 7.01  Sharp parameter describing the stellar profile (Note 1)   (stat.fit.param)
  
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