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

  
J/AJ/138/845
  BVRI observations of 235 bright quasars (Ojha+, 2009)
ReadMe+ftp
2009AJ....138..845O
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/138/845/table2Magnitudes of Space Interferometry Mission (SIM) candidate quasars (390 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);(unassigned);(unassigned);phys.veloc)
  n_Name (char) * indicates the QSOs which name does not exist in the Véron+Véron Catalog 2006 (Cat. VII/248); the position may therefore refer to a bad object ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  Name (char) Source J2000.0 name (HHMM+DDd) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  <Bmag> mag (n) Mean B band magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  e_<Bmag> mag (n) Standard deviation in <Bmag> ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
  o_<Bmag>  Number of observations in <Bmag> ((unassigned);(unassigned);(unassigned);src.var)
  <Vmag> mag (n) Mean V band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_<Vmag> mag (n) Standard deviation in <Vmag> ((unassigned);(unassigned);(unassigned);time.age;stat.probability;(unassigned);(unassigned))
  o_<Vmag>  Number of observations in <Vmag> ((unassigned);(unassigned);(unassigned);src.var)
  <Rmag> mag (n) Mean R band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_<Rmag> mag (n) Standard deviation in <Rmag> ((unassigned);phys.veloc.orbital;arith.diff;time.age;stat.probability;(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  o_<Rmag>  Number of observations in <Rmag> ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  <Imag> mag (n) Mean I band magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  e_<Imag> mag (n) Standard deviation in <Imag> (phot.limbDark;(unassigned);arith.factor;time.age;stat.probability;(unassigned);(unassigned))
  o_<Imag>  Number of observations in <Imag> ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  B-V mag (n) The (B-V) color index (obs.param;obs.airMass;arith.factor;pos.healpix;(unassigned);(unassigned);(unassigned))
  V-R mag (n) The (V-R) color index ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  R-I mag (n) The (R-I) color index ((unassigned);phys.abund.Y;arith.grad;pos.healpix;(unassigned);(unassigned);(unassigned))
  V-I mag (n) The (V-I) color index ((unassigned);(unassigned);(unassigned);pos.healpix;(unassigned);(unassigned);(unassigned))
  Epoch (char) Epoch label (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;pos.centroid;meta.main)
  SimbadName (char) Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  _RA deg (n)Position from Véron+Véron Catalog 2006 (Cat. VII/248); in several cases, no QSO corresponds to the name given (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  _DE deg (n)Position from Véron+Véron Catalog 2006 (Cat. VII/248); in several cases, no QSO corresponds to the name given (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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