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=61074
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 32 25.9717 "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 32.260 "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 37.8302 "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 17.064 "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)
_Glon079.8602307 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+00.7101769 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)

ID61074  (i) [1/64157] Sequential source ID (meta.id;meta.main)
RAJ2000308.10822 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+40.97563 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
rmag22.898 mag Magnitude in r band in the AB system (phot.mag;em.opt.R)
e_rmag 0.024 mag Error associated with r magnitude (stat.error;phot.mag;em.opt.R)
imag20.878 mag Magnitude in i band in the AB system (phot.mag;em.opt.I)
e_imag 0.007 mag Associated with i magnitude (stat.error;phot.mag;em.opt.I)
zmag19.230 mag Magnitude in z band in the AB system (phot.mag;em.opt.I)
e_zmag 0.007 mag Error associated with z magnitude (stat.error;phot.mag;em.opt.I)
chi 1.17  χ2 from the PSF fitting (Note 1)   (stat.fit.chi2)
Sharp 0.12  Sharp parameter describing the stellar profile (Note 1)   (stat.fit.param)
  
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