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=60316
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ColumnValue  Explain   (UCD)
_RAJ200020 32 34.7388 "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+41 00 44.756 "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 46.6338 "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 50 29.055 "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)
_Glon079.9062196 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+00.7098242 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)

ID60316  (i) [1/64157] Sequential source ID (meta.id;meta.main)
RAJ2000308.14474 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+41.01243 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
rmag24.833 mag Magnitude in r band in the AB system (phot.mag;em.opt.R)
e_rmag 0.128 mag Error associated with r magnitude (stat.error;phot.mag;em.opt.R)
imag23.079 mag Magnitude in i band in the AB system (phot.mag;em.opt.I)
e_imag 0.070 mag Associated with i magnitude (stat.error;phot.mag;em.opt.I)
zmag21.704 mag Magnitude in z band in the AB system (phot.mag;em.opt.I)
e_zmag 0.043 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 3.11  Sharp parameter describing the stellar profile (Note 1)   (stat.fit.param)
  
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