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

  Variable quasar sample from SDSS (Wilhite+, 2005)
Post annotation
1.J/ApJ/633/638/table2Variable quasar sample (315 rows)

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)
  SDSSJ (char) SDSS name ( (Note 1)   (;meta.main)
  MJD(H) d Modified Julian Date of High-S/N data (time.epoch)
  MJD(L) d Modified Julian Date of Low-S/N data (time.epoch)
  z   [0.5/4.8] Redshift (Note 2)   (src.redshift)
  DelT d [17.5/270.4] Rest-frame time lag Δτ (time.interval)
  rmag mag [16.8/21.6] Apparent SDSS r band magnitude (Note 2)   (phot.mag;em.opt.R)
  rMAG mag Absolute SDSS r band magnitude (Note 2)   (phys.magAbs)
  S/N(H)   [1.7/54] SDSS r band High-S/N ratio (stat.snr)
  S/N(L)   [0.7/42] SDSS r band Low-S/N ratio (stat.snr)
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref)
  _RA deg (i) Positions from SDSS names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS names (declination part) (pos.eq.dec;meta.main)

ALL cols
 (i)indexed column
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usage  Display UCD1+    UCD1  
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Cite/acknowledge VizieR catalogue
Rules of usage of VizieR data

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