VizieR

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

VizieR

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

  
J/AJ/133/2502
  UBVRI Standard Stars (Landolt, 2007)
ReadMe+ftp
2007AJ....133.2502L
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/133/2502/phot(c)UBVRI Photometry of Standard Stars (tables 1 (near δ=-50°) and 4 of paper) (128 rows)
2.J/AJ/133/2502/table5(c)Accurate Coordinates and Proper Motions for the Stars in Tables 1 and 4 (128 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Flag (char) N for stars near δ=-50°, or I for isolated stars (meta.code)
   (ALL)Name (char) (i) Star name (meta.id;meta.main)
   (ALL)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)Vmag mag The V band magnitude (phot.mag;em.opt.V)
  (1)e_Vmag mag (n) Mean error in Vmag (stat.error;phot.mag;em.opt.V)
  (1)B-V mag The (B-V) color index (phot.color;em.opt.B;em.opt.V)
  (1)e_B-V mag (n) Mean error in B-V (stat.error;phot.color;em.opt.B)
  (1)U-B mag The (U-B) color index (phot.color;em.opt.U;em.opt.B)
  (1)e_U-B mag (n) Mean error in U-B (stat.error;phot.color;em.opt.U)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)V-R mag The (V-R) color index (phot.color;em.opt.V;em.opt.R)
  (1)e_V-R mag (n) Mean error in V-R (stat.error;phot.color;em.opt.V)
  (1)R-I mag The (R-I) color index (phot.color;em.opt.R;em.opt.I)
  (1)e_R-I mag (n) Mean error in R-I (stat.error;phot.color;em.opt.R)
  (1)V-I mag The (V-I) color index (phot.color;em.opt.V;em.opt.I)
  (1)e_V-I mag (n) Mean error in V-I (stat.error;phot.color;em.opt.V)
  (1)Nobs  Number of times the star was observed (meta.number)
  (1)Night  Number of nights the star was observed (meta.number)
  (2)UCAC2  (n) Second USNO CCD Astrograph Catalog identification (Cat. I/289) (meta.id)
  (2)2MASS (char) 2MASS Point Source Catalog identification (meta.id)
  (2)pmRA mas/yr (n) Proper motion along Right Ascension (pos.pm;pos.eq.ra)
  (2)pmDE mas/yr (n) Proper motion along Declination (pos.pm;pos.eq.dec)
  (2)Ref  (n) Proper motion reference (Note 1)   (meta.ref;pos.pm;pos.frame)
  (2)SpType (char) Spectral type (src.spType)
  (2)r_SpType (char) Reference(s) on SpType (Note 1)   (meta.ref;pos.frame)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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