VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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/491/2057
  MAGG I Near pristine gas cloud at z∼3.5 (Lofthouse+, 2020)
ReadMe+ftp
2020MNRAS.491.2057L
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/491/2057/table2Summary of the archival quasar spectroscopy used in this survey (62 rows)

Simple ConstraintList Of Constraints
 
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)
  Name (char) Quasar name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  Inst (char) Instrument name (meta.id;instr)
  Resol (char) Spectral resolution (range is used if dependent on instrument arm) (spect.resolution)
  lambdamin 0.1nm Wavelength range covered by the spectrum (minimum value) (instr.bandwidth)
  lambdamax 0.1nm Wavelength range covered by the spectrum (maximum value) (instr.bandwidth)
  S/Nblue  S/N per pixel representative of the Lyα forest, away from saturated absorption lines (stat.snr)
  lambdablue 0.1nm Actual wavelength associated to S/Nblue (meta.id.assoc;em.wl)
  S/Nred  (n) S/N per pixel representative of the continuum redward to the quasar Lyα (stat.snr)
  lambdared 0.1nm (n) Actual wavelength associated to S/Nred (meta.id.assoc;em.wl)
  vdisp (char) km/s Nominal pixel velocity dispersion of the 1D spectra (range is used if arm dependent) (phys.veloc.dispersion;instr.pixel)
  SimbadName (char) (n)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)

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