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/MNRAS/434/163
  QSOs narrow absorption line variability (Hacker+, 2013)
ReadMe+ftp
2013MNRAS.434..163H
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/434/163/table2Catalogue of Quasar Absorption Line (QAL) systems with repeat observations (5794 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)
  SDSS (char) (i) SDSS object designation (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  Nsp  (n)Number of spectra for this QAL (meta.number)
  Sys  Identification of system when belongs to a variable NAL system (table3) (meta.ref.url)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  zqso   [0.3/4.5] Quasar redshift (Hewett & Wild 2010, Cat. J/MNRAS/405/2302) (src.redshift;pos.heliocentric)
  zabs  i[0.3/3.7] Absorption system redshift (src.redshift)
  beta  Absorption system velocity β=v/c (in quasar rest frame) (phys.veloc)
  Plate  SDSS spectroscopic plate number (meta.id;instr.plate)
  MJD d SDSS Modified Julian Date (MJD) of observation (time.epoch)
  Fiber  SDSS spectroscopic fiber number (meta.number;pos.parallax.spect)
  Grade (char) Absorption system confidence grade (Note 1)   (meta.code.qual)
  Nl  Number of lines identified in the spectrum (meta.number)
  m (char) * indicate an incomplete list of lines (meta.note)
  Lines (char) Detected absorption lines (Note 2)   (meta.id;spect.line)
  list  List all lines detected (meta.ref.url)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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