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/ApJS/265/46
  SDSS DR16Q QSO pairs with MgII abs. line analysis (Chen+, 2023)
ReadMe+ftp
2023ApJS..265...46C
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/265/46/table1(c)The properties of the quasar pairs and the line of sight (LOS) MgII absorption lines[spectrum] (10033 rows)
2.J/ApJS/265/46/table2(c)The background quasars with transverse (TRA) MgII absorption lines (10035 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);meta.version;arith.diff;phys.veloc)
   (ALL)Pair  (i) [1/10033] Pair identifier ((unassigned);meta.version;arith.diff;spect.line.veloc)
  (1)fSDSS (char) Foreground SDSS identifier ((unassigned);(unassigned);(unassigned);src.class.color)
   (ALL)Plate   [273/11704] SDSS Plate identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.atmol.qn.F)
   (ALL)MJD d (i) [51609/58543] SDSS Modified Julian Date of observation ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
   (ALL)Fiber   [1/1000] SDSS Fiber identifier ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
   (ALL)zEm   [0.4/2.51] Redshift from emission lines ((unassigned);pos.galactic.lon;arith.diff;pos.parallax;arith.diff;meta.main)
  (1)logLBol [10-7W] [44.22/47.56] log bolometric luminosity ((unassigned);(unassigned);(unassigned);(unassigned))
   (ALL)Dist kpc [20/500] Distance ((unassigned);(unassigned);(unassigned);em.UV.10-50nm)
   (ALL)zAbs  (n) [0.4/2.3] Redshift from absorption lines (Note G1)   ((unassigned);(unassigned);(unassigned);pos.parallax;arith.diff;meta.main)
   (ALL)EW2798 0.1nm (n) [0.14/9] MgII2798Å equivalent width; Angstroms (Note G1)   ((unassigned);meta.version;arith.diff;phys.at.moment.magnetic;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)e_EW2798 0.1nm [0.02/1.4] 1{sigma} uncertainty in EW2798 (Note G1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
   (ALL)EW2803 0.1nm (n) [0.08/6.9] MgII2803Å equivalent width; Angstroms (Note G1)   ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
   (ALL)e_EW2803 0.1nm [0.02/1.4] 1{sigma} uncertainty in EW2803 (Note G1)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
   (ALL)bSDSS (char) Background SDSS identifier ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
   (ALL)Sp (char) Interactive DR16 spectrum from SDSS ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)SimbadName (char) (n)Designation understandable by the Simbad data-base ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (1)NED (char) ask the NED data-base about this object ((unassigned);meta.version;arith.diff;pos.geocentric)
   (ALL)_RA deg (i) Positions from foreground SDSS identifiers (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)_DE deg (i) Positions from foreground SDSS identifiers (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

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=846436834 Where phase=3 and catid=22650046
**** 
**** --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=846436834 Where phase=3 and catid=22650046
**** 
**** --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/VR111463.err (2026-10-27T17:20:32)
-3
-source=J/ApJS/265/46
-ref=VIZ6ae0dd611b367
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