VizieR

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VizieR

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J/ApJS/183/261/table2 Optical photometry of the ONC (Da Rio+, 2009)
WFI photometric catalog relative to Night A observations (2621 rows)
  recno=1619
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ColumnValue  Explain   (UCD)
_RAJ200005 35 19.4500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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)
_DEJ2000-05 22 23.700 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195005 32 51.9660 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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)
_DEB1950-05 24 16.763 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon209.0011291 deg Galactic longitude (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-19.3655704 deg Galactic latitude (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)
1619recno 1619  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
n_[DRS2009]   M indicates M-type stars (table 4) and a Hα measurements (table5) (meta.ref.url)

[DRS2009]1619  (i) Identification number (meta.id;meta.main)
RAJ200005 35 19.45 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-05 22 23.7 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Umag  mag U band Vega magnitude (Note 1)   (phot.mag;em.opt.U)
e_Umag  mag Error in Umag (stat.error;phot.mag;em.opt.U)
Bmag  mag B band Vega magnitude (Note 1)   (phot.mag;em.opt.B)
e_Bmag  mag Error in Bmag (stat.error;phot.mag;em.opt.B)
Vmag  mag V band Vega magnitude (Note 1)   (phot.mag;em.opt.V)
e_Vmag  mag Error in Vmag (stat.error;phot.mag;em.opt.V)
TiO  mag TiO band Vega magnitude (Note 1)   (phot.mag;em.opt.R)
e_TiO  mag Error in TiO (stat.error)
Imag16.976 mag I band Vega magnitude (Note 1)   (phot.mag;em.opt.I)
e_Imag 0.133 mag Error in Imag (stat.error;phot.mag;em.opt.I)
[H97b]    Hillenbrand 1997 (Cat. J/AJ/113/1733) catalog identification (meta.id)
  
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