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:

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J/A+A/508/133
  Damped Lymanα absorbers in z>4 QSOs (Guimaraes+, 2009)
Post annotation
img(gal)
1.J/A+A/508/133/table1(c)Summary of observations (99 rows)
2.J/A+A/508/133/table2List of DLA-subDLAs (100 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)
  (1)n_QSO (char) D indicates DLA-subDLAs (details in table2) (meta.ref.url)
   (ALL)QSO (char) (i) QSO name (meta.id;meta.main)
   (ALL)zem  Emission redshift (src.redshift)
  (1)Rmag mag R magnitude (phot.mag;em.opt.R)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)Obs.Date "Y:M:D" (n)Observation date (time.epoch;obs)
  (1)DD2 d (n) Second day of observation for Obs.Date (time.epoch)
  (1)DD3 d (n) Third day of observation for Obs.Date (time.epoch)
  (1)Obs.Date2 "Y:M:D" (n)Second Observation date (time.epoch)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)DD4 d (n) Second day of observation for Obs.Date2 (time.epoch)
  (1)t.exp min Exposure time (time.duration;obs.exposure)
   (ALL)Note (char) Previous usage (Note G1)   (meta.note)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (2)zemmin  Minimium value of emission redshift (src.redshift)
  (2)zemmax  Maximum value of emission redshift (src.redshift)
  (2)zabs  DLA-subDLA absorption redshift (src.redshift)
  (2)logN(HI) [cm-2] HI column density (phys.columnDensity)
  (2)e_logN(HI) [cm-2] rms uncertainty on logN(HI) (stat.error)
  (2)Lines (char) Metal Lines (meta.id;spect.line)
  (2)r_Lines (char) detection of the metal lines (Note 1)   (meta.ref;pos.frame)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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