VizieR

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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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
   (ALL)SDSS (char) (i) SDSS object designation (HHMMSS.ss+DDMMSS.s) ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  (1)Nsp  (n)Number of spectra for this QAL ((unassigned);(unassigned);(unassigned);src.var)
   (ALL)Sys  Identification of system when belongs to a variable NAL system (table3) ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
   (ALL)RAJ2000 deg Right ascension (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)DEJ2000 deg Declination (J2000) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)zqso   [0.3/4.5] Quasar redshift (Hewett & Wild 2010, Cat. J/MNRAS/405/2302) ((unassigned);(unassigned);(unassigned);pos.parallax;arith.diff;meta.main)
   (ALL)zabs  i[0.3/3.7] Absorption system redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
   (ALL)beta  Absorption system velocity {beta}=v/c (in quasar rest frame) ((unassigned);(unassigned);(unassigned);spect.index;meta.main)
  (1)Plate  SDSS spectroscopic plate number ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.atmol.qn.F)
  (1)MJD d SDSS Modified Julian Date (MJD) of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Fiber  SDSS spectroscopic fiber number ((unassigned);(unassigned);(unassigned);src.var;instr.det.psf;meta.main)
  (1)Grade (char) Absorption system confidence grade (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.cartesian)
  (1)Nl  Number of lines identified in the spectrum ((unassigned);(unassigned);(unassigned);src.var)
  (1)m (char) * indicate an incomplete list of lines ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (1)Lines (char) Detected absorption lines (Note 2)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.angArea;meta.main)
  (1)list (char) List all lines detected ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)Sloan (char) Display the SDSS data for this quasar ((unassigned);(unassigned);(unassigned);pos.geocentric)
   (ALL)Simbad (char) ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)N  (n)Number of elements in this NAL system ((unassigned);(unassigned);(unassigned);src.var)
  (2)Plate1  SDSS plate number - first observation ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;phys.atmol.qn.F)
  (2)Fiber1  SDSS fibre number - first observation ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.orbital)
  (2)MJD1 d SDSS MJD - first observation ((unassigned);phys.veloc.orbital;arith.diff;phys.polarization.circular;stat.median)
  (2)Plate2  SDSS plate number - second observation ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.atmol.qn.F)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Fiber2  SDSS fibre number - second observation ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)MJD2 d SDSS MJD - second observation ((unassigned);(unassigned);(unassigned);phys.polarization.circular;stat.median)
  (2)trest d Time between observations (quasar rest frame) ((unassigned);(unassigned);(unassigned);obs.calib.dark;meta.main)
  (2)Ion (char) Absorption line ion ((unassigned);(unassigned);(unassigned);(unassigned))
  (2)lam0 0.1nm Absorption line rest wavelength {lambda}0 ((unassigned);(unassigned);(unassigned);meta.bib.author)
  (2)EW1 0.1nm Equivalent width - first observation ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;stat.param)
  (2)e_EW1 0.1nm Equivalent width error - first observation ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)f_EW1 (char) Absorption line flag - first observation (Note 3)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)EW2 0.1nm Equivalent width - second observation ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;stat.param)
  (2)e_EW2 0.1nm Equivalent width error - second observation ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)f_EW2 (char) Absorption line flag - second observation (Note 3)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)Sloan1 (char) Display the SDSS data for this quasar ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (2)Sloan2 (char) Display the SDSS data for this quasar ((unassigned);(unassigned);(unassigned);pos.geocentric)

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  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846445040 Where phase=3 and catid=74340163
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846445040 Where phase=3 and catid=74340163
**** 
**** --POSTGRES MSG db=0
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR229779.err (2026-10-27T19:37:20)
-3
-source=J/MNRAS/434/163
-ref=VIZ6ae0fd7038193
elapse time 0