VizieR

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VizieR

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II/168/ubvmeans Homogeneous Means in the UBV System (Mermilliod 1991)
Catalog Data (92964 rows)
  recno=18966
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ColumnValue  Explain   (UCD)
_RAJ200006 49 40.1133 "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)
_DEJ2000-15 02 40.472 "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)
_RAB195006 47 23.8882 "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 59 09.887 "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)
_Glon226.1945025 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-07.1804867 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)
18966recno 18966  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LID+100049812  Lausanne identification number (Note 1)   (meta.id)
m_LID   Lausanne component (D, 1, 2, ...) (Note 1)   (meta.code.multip)
var    [V] Variability code. (meta.code;src.var)
Npub 1  Number of publications (separate lists) contributing observations to the means (meta.number)
Vmag 7.560 mag Mean V magnitude (Precision varies) (phot.mag;em.opt.V)
e_Vmag  mag Standard deviation for Vmag (stat.error;phot.mag;em.opt.V)
n_Vmag>   [>S/] Standard (S) or note on o_Vmag (Note 2)   (meta.note)
o_Vmag 2  Number of observations for Vmag (meta.number)
B-V 0.010 mag Mean (B-V) color index (Precision varies) (phot.color;em.opt.B;em.opt.V)
e_B-V  mag Standard deviation for B-V (stat.error;phot.color;em.opt.B)
n_B-V>   [>S/] Standard (S) or note on o_B-V (Note 2)   (meta.note)
o_B-V 2  Number of observations for B-V (meta.number)
U-B-0.060 mag Mean (U-B) color index (Precision varies) (phot.color;em.opt.U;em.opt.B)
e_U-B  mag Standard deviation for U-B (stat.error;phot.color;em.opt.U)
n_U-B>   [>S/] Standard (S) or note on o_Vmag (Note 2)   (meta.note)
o_U-B 2  Number of observations for U-B (meta.number)

SimbadNameHD 049812  Designation understandable by the Simbad data-base (meta.id)
_RA102.41714 deg (i) Positions from simbad, version 07May2006. (right ascension part) (pos.eq.ra;meta.main)
_DE-15.04458 deg (i) Positions from simbad, version 07May2006. (declination part) (pos.eq.dec;meta.main)
  
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