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:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
II/118
  UBVRI standards around Celestial Equator (Landolt 1983)
ReadMe+ftp
1983AJ.....88..439L
Similar Catalogs
Post annotation 		img(gal)
1.II/118/mainThe Data (223 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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Name (char) Star identification (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RA1985 "h:m:s" Hours RA, Equinox=1985, Epoch=1985 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DE1985 "d:m:s" Degrees Dec, equinox and epoch 1985.0 ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Vmag mag Weighted V magnitude in the UBVRI system ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  B-V mag Weighted B-V color in the UBVRI system ((unassigned);phys.veloc.orbital;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  U-B mag Weighted U-B color in the UBVRI system ((unassigned);pos.galactic.lon;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))
  V-R mag Weighted V-R color in the UBVRI system ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  R-I mag Weighted R-I color in the UBVRI system ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  V-I mag Weighted V-I color in the UBVRI system ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  Obs  Number of observations used to compute weighted means ((unassigned);phys.veloc.orbital;arith.diff;src.var)

ALL cols		    
 (i)indexed column
  Nights  Number of nights on which the star was observed ((unassigned);(unassigned);(unassigned);src.var)
  e_Vmag mag Mean error of mean V magnitude (Note 2)   ((unassigned);obs.atmos;arith.factor;time.age;stat.probability;(unassigned);(unassigned))
  e_B-V mag Mean error of mean B-V color (Note 2)   ((unassigned);(unassigned);(unassigned);time.age;pos.HTM;(unassigned);(unassigned))
  e_U-B mag Mean error of mean U-B color (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.HTM;(unassigned);(unassigned))
  e_V-R mag Mean error of mean V-R color (Note 2)   ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.HTM;(unassigned);(unassigned))
  e_R-I mag Mean error of mean R-I color (Note 2)   ((unassigned);(unassigned);(unassigned);time.age;pos.HTM;(unassigned);(unassigned))
  e_V-I mag Mean error of mean V-I color (Note 2)   ((unassigned);(unassigned);(unassigned);time.age;pos.HTM;(unassigned);(unassigned))
  Notes (char) Number(s) of notes (Note 3)   ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) at Epoch=J1985. (computed by VizieR, not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned))
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) at Epoch=J1985. (computed by VizieR, not part of the original data) ((unassigned);phys.atmol.qn.J;arith.grad;(unassigned))

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