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=55863
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ColumnValue  Explain   (UCD)
_RAJ200016 08 04.5248 "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+17 02 49.115 "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)
_RAB195016 05 48.8547 "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+17 10 43.521 "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)
_Glon031.0166067 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+43.6394034 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)
55863recno 55863  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LID 100145001  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 5.000 mag [-1.5/21.5] V magnitude (phot.mag;em.opt.V)
B-V 0.950 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
U-B 0.610 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 2   Number of measurements (meta.number)
r_UBV 1080  Reference key (>2000 for non-Johnson filters, see file refs) (meta.ref;pos.frame)

SimbadNameGEN# +1.00145001  Designation understandable by the Simbad data-base (meta.id)
_RA242.01885 deg (i) Positions from SIMBAD (right ascension part) (pos.eq.ra;meta.main)
_DE+17.04698 deg (i) Positions from SIMBAD (declination part) (pos.eq.dec;meta.main)
  
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