VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
II/50
  Photometric Standard Stars (Cousins 1971)
ReadMe+ftp
1971ROAn....7....1C
Similar Catalogs
Post annotation 		img(gal)
1.II/50/ubvPhotometric standard stars (tables II and IV of paper) (2036 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  HD  HD identifier of the star (Cat. III/135) (meta.id;meta.main)
  m_HD (char) [/] '/' indicates a blend with next HD number (meta.code.multip)
  Vmag mag (n) Magnitude in Johnson V filter (phot.mag;em.opt.V)
  u_Vmag (char) [:)] doubtful value (:), variable value ()) (meta.code.error)
  e_Vmag mag (n) Dispersion on Vmag (stat.error;phot.mag;em.opt.V)
  w_Vmag  (n) Weight on Vmag (stat.weight)
  B-V mag (n) Mean Johnson B-V colour index (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) [:)] doubtful value (:), variable value ()) (meta.code.error;phot.color;em.opt.B)
  e_B-V mag (n) Dispersion on B-V (stat.error;phot.color;em.opt.B)
  w_B-V  (n) Weight on B-V (stat.weight)
  U-B mag (n) Mean Johnson U-B colour index (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) [:)] doubtful value (:), variable value ()) (meta.code.error;phot.color;em.opt.U)
  w_U-B  (n) Weight on U-B (quarters assigned) (stat.weight)
  S (char) [CA*] Source of U-B value: C=Cape only, A=Catalina station (Arizona), *=discordant values. (meta.ref;phot.color;em.opt.U)
  Notes (char) Remarks (variable star name, binarity) (meta.note)
  Simbad  ask the Simbad data-base about this object
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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