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VizieR

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II/50/ubv Photometric Standard Stars (Cousins 1971)
Photometric standard stars (tables II and IV of paper) (2036 rows)
  recno=207
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ColumnValue  Explain   (UCD)
_RAJ200006 22 41.9853 "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 57 21.304 "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 20 29.7777 "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 55 47.055 "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)
_Glon226.0598410 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-14.2680485 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)
207recno 207  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 44743  HD identifier of the star (Cat. III/135) (meta.id;meta.main)
m_HD    [/] '/' indicates a blend with next HD number (meta.code.multip)
Vmag 1.985 mag Magnitude in Johnson V filter (phot.mag;em.opt.V)
u_Vmag    [:)] doubtful value (:), variable value ()) (meta.code.error)
e_Vmag 0.011 mag Dispersion on Vmag (stat.error;phot.mag;em.opt.V)
w_Vmag 6.00   Weight on Vmag (stat.weight)
B-V-0.235 mag Mean Johnson B-V colour index (phot.color;em.opt.B;em.opt.V)
u_B-V    [:)] doubtful value (:), variable value ()) (meta.code.error;phot.color;em.opt.B)
e_B-V 0.005 mag Dispersion on B-V (stat.error;phot.color;em.opt.B)
w_B-V 4.50   Weight on B-V (stat.weight)
U-B-0.98 mag Mean Johnson U-B colour index (phot.color;em.opt.U;em.opt.B)
u_U-B:   [:)] doubtful value (:), variable value ()) (meta.code.error;phot.color;em.opt.U)
w_U-B 2.50   Weight on U-B (quarters assigned) (stat.weight)
S*   [CA*] Source of U-B value: C=Cape only, A=Catalina station (Arizona), *=discordant values. (meta.ref;phot.color;em.opt.U)
Notes   Remarks (variable star name, binarity) (meta.note)

SimbadSimbad  ask the Simbad data-base about this object
_RA095.67494 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-17.95592 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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