VizieR

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VizieR

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II/122B/merged UBV Photoelectric Catalog: data 1953-1985 (Mermilliod 1987)
Merged data from ubv and ubva (136717 rows)
  recno=20147
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200003 15 50.0265 "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)
_DEJ2000-08 49 11.022 "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)
_RAB195003 13 24.1371 "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)
_DEB1950-09 00 13.039 "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)
_Glon191.5786247 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-51.3083987 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)
20147recno 20147  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LID 100020320  Code number (see details in file "codes.txt") (meta.id;meta.main)
Rem    [1-8DQSTU] Remark on duplicity or identification of components (Note 1)   (meta.code)
Var    [VD] Remark on variability (meta.note)
Vmag  mag [-1.5/21.5] V magnitude (phot.mag;em.opt.V)
B-V 0.220 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
U-B 0.110 mag U-B colour index (phot.color;em.opt.U;em.opt.B)
n_UBV    [S/*] Flag on the number of measurements: S = Standard star / = Number is unknown * = a minimum number of measurements is given (meta.note)
o_UBV 5   Number of measurements (meta.number)
r_UBV 1199  Reference key (>2000 for non-Johnson filters, see file refs) (meta.ref;pos.frame)

SimbadNameGEN# +1.00020320  Designation understandable by the Simbad data-base (meta.id)
_RA048.95844 deg (i) Positions from SIMBAD (right ascension part) (pos.eq.ra;meta.main)
_DE-08.81973 deg (i) Positions from SIMBAD (declination part) (pos.eq.dec;meta.main)
  
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