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/A+A/296/665
  Survey of optically variables QSOs (Veron+, 1995)
ReadMe+ftp
1995A&A...296..665V
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/296/665/table3Medium redshift QSOs (107 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)
  n_Name (char) An '*' indicates that the QSO either is weaker than B=21.0, has a redshift z > 3.0, or does not belong to the restricted 18 sq. deg. area (meta.note)
  Name (char) Name (meta.id;meta.main)
  m_Name (char) Multiplicity index on Name (meta.code.multip)
  RA1950 "h:m:s" (i) Right ascension 1950.0 (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (i) Declination 1950.0 (pos.eq.dec;meta.main)
  z  Redshift (src.redshift)
  Bmag mag B magnitude (phot.mag;em.opt.B)
  B-V mag (n) []? B-V colour (phot.color;em.opt.B;em.opt.V)
  U-B mag (n) []? U-B colour (phot.color;em.opt.U;em.opt.B)
  B-R mag B-R colour (phot.color;em.opt.B;em.opt.R)
  dB mag Amplitude of variability (src.var)
  M(B) mag Absolute B magnitude computed for Ho=50Km/s/Mpc and qo=0 in the way described by Veron-Cetty and Veron(1993) (phys.magAbs;em.opt.B;meta.modelled)
  Notes  Notes (Note 1)   (meta.note)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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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