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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

  Weak metal line absorbers sample (Muzahid+, 2018)
Post annotation
1.J/MNRAS/476/4965/tableb1List of QSO spectra with S/N>5 per pixel searched for weak MgII analogs (296 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)
  QSO (char) QSO name sorted by increasing RA (;meta.main)
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  zqso  QSO redshift (src.redshift;pos.heliocentric)
  Gratings  COS gratings used for observations (Note G1)   (instr.setup;obs)
  zmin  Minimum search redshift (src.redshift)
  zmax  Maximum search redshift (src.redshift)
  S/NG130M  (n) S/N of the G130M data estimated near 1400Å (-1 when data are not available) (stat.snr)
  S/NG160M  (n) S/N of the G160M data estimated near 1600Å (-1 when data are not available) (stat.snr)
  Flag   [0/2] Spectrum flag (Note G2)   (meta.code.error)
  PID (char) HST proposal ID(s) (;obs)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (

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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