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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/tableb1(c)List of QSO spectra with S/N>5 per pixel searched for weak MgII analogs (296 rows)
2.J/MNRAS/476/4965/tableb2(c)List of QSO spectra with S/N<5 per pixel that are not used in this study (67 rows)
3.J/MNRAS/476/4965/tableb3(c)List of strong CII/SiII systems. These systems are not part of the sample studied here (48 rows)
Help Xmatch is

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) QSO name sorted by increasing RA (;meta.main)
   (ALL)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)zqso  QSO redshift (src.redshift;pos.heliocentric)
   (ALL)Gratings  COS gratings used for observations (Note G1)   (instr.setup;obs)
   (ALL)zmin  Minimum search redshift (src.redshift)
   (ALL)zmax  Maximum search redshift (src.redshift)
   (ALL)S/NG130M  (n) S/N of the G130M data estimated near 1400Å (-1 when data are not available) (stat.snr)
   (ALL)S/NG160M  (n) S/N of the G160M data estimated near 1600Å (-1 when data are not available) (stat.snr)
   (ALL)Flag   [0/2] Spectrum flag (Note G2)   (meta.code.error)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)PID (char) HST proposal ID(s) (;obs)
   (ALL)SimbadName (char) (n)Designation understandable by the Simbad data-base (
  (3)zabs  Absorption redshift (src.redshift)

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