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/450/3904
  Quasars narrow absorption lines from SDSS (Chen+, 2015)
ReadMe+ftp
2015MNRAS.450.3904C
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/450/3904/tablea1(c)Catalog of C IV {lambda}{lambda}1548, 1551 Absorption Systems (3580 rows)
2.J/MNRAS/450/3904/tablea2(c)Catalog of Mg II {lambda}{lambda}2796, 2803 Absorption Systems (1808 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned))
   (ALL)SDSS (char) SDSS identifier (HHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned))
   (ALL)zem  Redshift derived from emission lines ((unassigned))
   (ALL)zabs  Redshift derived from absorption lines ((unassigned))
   (ALL)Plate-S  SDSS-I/II plate identifier ((unassigned);(unassigned))
   (ALL)MJD-S d Modified Julian Date of the observation ((unassigned))
   (ALL)Fiber-S  SDSS-I/II fiber identifier ((unassigned))
  (1)EW1548-S 0.1nm SDSS-I/II Rest equivalent width of C IV 1548Å (Note G1)   ((unassigned))
  (1)e_EW1548-S 0.1nm SDSS-I/II EW1548-S divided by its 1{sigma} error ((unassigned))
  (1)EW1551-S 0.1nm SDSS-I/II Rest equivalent width of C IV 1551Å (Note G1)   ((unassigned))
  (1)e_EW1551-S 0.1nm SDSS-I/II EW1551-S divided by its 1{sigma} error ((unassigned))

ALL cols		    
 (i)indexed column
   (ALL)Plate-B  BOSS plate identifier ((unassigned);(unassigned))
   (ALL)MJD-B d Modified Julian Date of the observation ((unassigned))
   (ALL)Fiber-B  BOSS fiber identifier ((unassigned))
  (1)EW1548-B 0.1nm BOSS Rest equivalent width of C IV 1548Å (Note G1)   ((unassigned))
  (1)e_EW1548-B 0.1nm BOSS EW1548-B divided by its 1{sigma} error ((unassigned))
  (1)EW1551-B 0.1nm BOSS Rest equivalent width of C IV 1551Å (Note G1)   ((unassigned))
  (1)e_EW1551-B 0.1nm BOSS EW1551-B divided by its 1{sigma} error ((unassigned))
   (ALL)DR12 (char) Display data from Paris et al. (2017, Cat. VII/279) ((unassigned))
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned))
   (ALL)_RA deg Explain (right ascension part) ((unassigned);(unassigned))
   (ALL)_DE deg Explain (declination part) ((unassigned);(unassigned))
  (2)EW2796-S 0.1nm SDSS-I/II Rest equivalent width of Mg II 2796Å (Note G1)   ((unassigned))
  (2)e_EW2796-S 0.1nm SDSS-I/II EW2796-S divided by its 1{sigma} error ((unassigned))

ALL cols		    
 (i)indexed column
  (2)EW2803-S 0.1nm SDSS-I/II Rest equivalent width of Mg II 2803Å (Note G1)   ((unassigned))
  (2)e_EW2803-S 0.1nm SDSS-I/II EW2803-S divided by its 1{sigma} error ((unassigned))
  (2)EW2796-B 0.1nm BOSS Rest equivalent width of Mg II 2796Å (Note G1)   ((unassigned))
  (2)e_EW2796-B 0.1nm BOSS EW2796-B divided by its 1{sigma} error ((unassigned))
  (2)EW2803-B 0.1nm BOSS Rest equivalent width of Mg II 2803Å (Note G1)   ((unassigned))
  (2)e_EW2803-B 0.1nm BOSS EW2803-B divided by its 1{sigma} error ((unassigned))

ALL cols		    
 (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:
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2982163.err (2026-04-19T12:25:17)
-3
-source=J/MNRAS/450/3904
-ref=VIZ69e4c9ad2d8113
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