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Catalog

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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/435/482
  DLA system from SDSS DR5 (Jorgenson+, 2013)
Post annotation
img(gal)
1.J/MNRAS/435/482/table1DLA (damped Lyman α) Sample (103 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Quasar (char) Quasar name (JHHMM+DDMM) (meta.id;meta.main)
  zem   [2.4/5.0] Emission redshift (src.redshift)
  zabs   [2.2/4.4] Absorption redshift (src.redshift)
  logN(HI) [cm-2] HI column density (phys.columnDensity)
  E_logN(HI) [cm-2] Error on HI (upper value) (stat.error;stat.max)
  e_logN(HI) [cm-2] Error on HI (lower value) (stat.error)
  DV90 km/s Velocity width of 90% of the optical depth (spect.line.width)
  W1526 0.1nm (n) SiII 1526Å rest equivalent width (Note 1)   (spect.line.eqWidth)
  e_W1526 0.1nm (n) rms uncertainty on W1526 (stat.error)
  W1548 0.1nm (n) CIV 1548Å rest equivalent width (Note 1)   (spect.line.eqWidth)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_W1548 0.1nm (n) rms uncertainty on W1548 (stat.error)
  [M/H] [Sun] Metallicity (phys.abund.Z)
  e_[M/H] [Sun] rms uncertainty on [M/H] (stat.error;phys.abund)
  n_[M/H]  Flag describing metallicity measurement (Note 2)   (meta.note)
  [Fe/H] [Sun] Iron abundance (phys.abund.Fe)
  e_[Fe/H] [Sun] rms uncertainty on [Fe/H] (stat.error;phys.abund.Fe)
  n_[Fe/H]  Flag describing Fe Measurement (Note 3)   (meta.note)
  Inst  Instrument code (Note 4)   (meta.code;instr)
  texp s Exposure time (time.duration;obs.exposure)
  Prog (char) VLT programme ID numbers (Note 5)   (meta.id;obs)
  DR5  Details from the SDSS-DR5 photometric catalog (II/276) (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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