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/ApJ/660/1093
  Weak MgII absorbers at 0.4<z<2.4 (Narayanan+, 2007)
ReadMe+ftp
2007ApJ...660.1093N
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/660/1093/table1(c)UVES/VLT archive QSO data set (143 rows)
2.J/ApJ/660/1093/table2Weak MgII systems detected (116 rows)

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)QSO (char) (i) Target name ((unassigned);(unassigned))
  (1)n_QSO (char) M indicates weak MgII systems detected in table2 ((unassigned))
  (1)z  Quasar redshift ((unassigned))
  (1)Vmag mag (n) Quasar V magnitude ((unassigned);(unassigned))
  (1)n_Vmag (char) [g] g when SDSS-g magnitude ((unassigned))
  (1)lam1 0.1nm (n) First value of wavelength coverage interval ((unassigned))
  (1)lam2 0.1nm (n) Second value of wavelength coverage interval ((unassigned))
  (1)Set1  (n) Cross-disperser setting ((unassigned))
  (1)Set2  (n) Cross-disperser setting ((unassigned))
  (1)Texp s Exposure time ((unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Prog (char) Program ID ((unassigned);(unassigned))
  (1)PI (char) PI name of the program ((unassigned))
  (1)SimbadName (char) Designation understandable by the Simbad data-base ((unassigned))
  (1)_RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned))
  (1)_DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned))
  (2)zabs  Redshift of the absorber ((unassigned))
  (2)Wr(2796) 0.1nm Measured rest-frame equivalent width of MgII {lambda}2796Å ((unassigned))
  (2)e_Wr(2796) 0.1nm rms uncertainty on Wr(2796) ((unassigned))
  (2)Wr(2803) 0.1nm Measured rest-frame equivalent width of MgII {lambda}2803Å ((unassigned))
  (2)e_Wr(2803) 0.1nm rms uncertainty on Wr(2803) ((unassigned))
  (2)DR  Doublet ratio given by Wr(2796)/Wr(2803) ((unassigned);(unassigned))
  (2)e_DR  rms uncertainty on DR ((unassigned))
  (2)Z(Wr,DR)  (n) Cumulative redshift path length (Note 1)   ((unassigned))

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:
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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****db1_relink(0): connection was not opened
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2044006.err (2026-08-12T22:14:54)
-3
-source=J/ApJ/660/1093
-ref=VIZ6a7cf05e1f3066
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