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=4783
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 53 16.7335 "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)
_DEJ2000-14 15 49.319 "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)
_RAB195022 50 37.9383 "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)
_DEB1950-14 31 47.615 "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)
_Glon052.0040445 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-59.6300923 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)
4783recno 4783  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LID -1506290  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)
Vmag10.100 mag [-1.5/21.5] V magnitude (phot.mag;em.opt.V)
B-V 1.580 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
U-B 1.120 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 1   Number of measurements (meta.number)
r_UBV 8039  Reference key (>2000 for non-Johnson filters, see file refs) (meta.ref;pos.frame)

SimbadNameGEN# -0.01506290  Designation understandable by the Simbad data-base (meta.id)
_RA343.31972 deg (i) Positions from SIMBAD (right ascension part) (pos.eq.ra;meta.main)
_DE-14.26370 deg (i) Positions from SIMBAD (declination part) (pos.eq.dec;meta.main)
  
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