VizieR

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

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/table3Variable NAL systems (Narrow-Line absorption) (341 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)
  Sys   [1/33] System number index (meta.id)
  SDSS (char) SDSS object designation (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  N  (n)Number of elements in this NAL system (meta.number)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  zqso   [1.2/3.9] Quasar redshift (Hewett & Wild 2010, Cat. J/MNRAS/405/2302) (src.redshift;pos.heliocentric)
  zabs   [0.6/3.0] Narrow Absorption Line (NAL) system redshift (src.redshift)
  beta  NAL system velocity (β=v/c in quasar rest frame) (phys.veloc)
  Plate1  SDSS plate number - first observation (meta.id;instr.plate)
  Fiber1  SDSS fibre number - first observation (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  MJD1 d SDSS MJD - first observation (obs.param;obs)
  Plate2  SDSS plate number - second observation (meta.id;instr.plate)
  Fiber2  SDSS fibre number - second observation (meta.note)
  MJD2 d SDSS MJD - second observation (obs.param;obs)
  trest d Time between observations (quasar rest frame) (time.interval)
  Ion (char) Absorption line ion (phys.atmol.ionStage)
  lam0 0.1nm Absorption line rest wavelength λ0 (em.wl)
  EW1 0.1nm Equivalent width - first observation (spect.line.eqWidth;obs)
  e_EW1 0.1nm Equivalent width error - first observation (stat.error)
  f_EW1 (char) Absorption line flag - first observation (Note 3)   (meta.code)
  EW2 0.1nm Equivalent width - second observation (spect.line.eqWidth;obs)
  e_EW2 0.1nm Equivalent width error - second observation (stat.error)
  f_EW2 (char) Absorption line flag - second observation (Note 3)   (meta.code)
  Sloan1  Display the SDSS data for this quasar (meta.ref.url)
  Sloan2  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
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
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