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:

Radius Box size

  
J/ApJ/662/72
  Lyman alpha forest of 55 QSOs (Becker+, 2007)
Post annotation
img(gal)
1.J/ApJ/662/72/qsos(c)QSOs list (55 rows)
2.J/ApJ/662/72/table1Fitted Lyα Forest regions (88 rows)

 
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)QSO (char) (i) QSO designation (Note 1)   (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (n)(i) Simbad Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (n)(i) Simbad Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)SName (char) Simbad name (meta.id)
  (1)Simbad (char) ask the Simbad data-base about this object
  (1)NED (char) ask the NED data-base about this object
  (2)z  QSO redshift (src.redshift)
  (2)zabs  Mean absorption redshift (src.redshift)
  (2)zabsm  Mimimun absorption redshift value (src.redshift)
  (2)zabsM  Maximum absorption redshift value (src.redshift)
  (2)EFlux  Median error flux (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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Rules of usage of VizieR data

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