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/table2(c)Catalogue of Quasar Absorption Line (QAL) systems with repeat observations (5794 rows)
2.J/MNRAS/434/163/table3(c)Variable NAL systems (Narrow-Line absorption) (341 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)SDSS (char) (i) SDSS object designation (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1)Nsp  (n)Number of spectra for this QAL (meta.number)
   (ALL)Sys  Identification of system when belongs to a variable NAL system (table3) (meta.ref.url)
   (ALL)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)zqso   [0.3/4.5] Quasar redshift (Hewett & Wild 2010, Cat. J/MNRAS/405/2302) (src.redshift;pos.heliocentric)
   (ALL)zabs  i[0.3/3.7] Absorption system redshift (src.redshift)
   (ALL)beta  Absorption system velocity β=v/c (in quasar rest frame) (phys.veloc)
  (1)Plate  SDSS spectroscopic plate number (meta.id;instr.plate)
  (1)MJD d SDSS Modified Julian Date (MJD) of observation (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Fiber  SDSS spectroscopic fiber number (meta.number;pos.parallax.spect)
  (1)Grade (char) Absorption system confidence grade (Note 1)   (meta.code.qual)
  (1)Nl  Number of lines identified in the spectrum (meta.number)
  (1)m (char) * indicate an incomplete list of lines (meta.note)
  (1)Lines (char) Detected absorption lines (Note 2)   (meta.id;spect.line)
  (1)list (char) List all lines detected (meta.ref.url)
  (1)Sloan (char) Display the SDSS data for this quasar (meta.ref.url)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)N  (n)Number of elements in this NAL system (meta.number)
  (2)Plate1  SDSS plate number - first observation (meta.id;instr.plate)
  (2)Fiber1  SDSS fibre number - first observation (meta.note)
  (2)MJD1 d SDSS MJD - first observation (obs.param;obs)
  (2)Plate2  SDSS plate number - second observation (meta.id;instr.plate)

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

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