J/A+A/458/427ivo://CDS.VizieR/J/A+A/458/427doi:10.26093/cds/vizier.34580427CDSJanknecht E.Reimers D.Lopez S.Tytler D.2018-01-04T08:21:23Z2006-12-16T22:20:41ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frquasarsspectroscopyredshiftedWe investigate the evolution and the statistical properties of the Ly{alpha} absorbers of the intergalactic medium (IGM) in the largely unexplored redshift range z=0.5-1.9. We use high-resolution (R>=30000) UV (STIS) and optical (VLT/UVES and Keck/HIRES) spectra of nine bright quasars with z_em_<1.94. The Ly{alpha} lines detected in the lines of sight (LOS) towards these quasars are evaluated with a software package which determines simultaneously the quasar continuum and the line profiles.2006A&A...458..427Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/458/427CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/373/757 : Lyman-alpha forest of 3 QSOs (Kim+, 2001)J/MNRAS/335/555 : Lyman-alpha forest of 5 QSOs (Kim+, 2002)J/other/PASA/19.455 : Damped Lyman-alpha absorption of QSOs (Curran+, 2002)J/MNRAS/354/L31 : SDSS DR2 QSO and DLA properties (Murphy+, 2004)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/458/427https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/458/427http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/458/427https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/458/427https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/458/427http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/458/427GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/458/427/table1 (Parameters of the quasars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/458/427/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/458/427/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/458/427/table1?GETtext/xml+votable180.050000true248.620791770.52563890.0055555555555555566/6576 9457 11723 17730 19807 34019 34107 35258 47091https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/458/427?format=asciiOpticaldefaultJ/A+A/458/427/table1Parameters of the quasarsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintQSOQSO namemeta.id;meta.maincharprimaryRAJ2000Right ascension (J2000) (from Simbad)pos.eq.ra;meta.mainDEJ2000Declination (J2000) (from Simbad)pos.eq.dec;meta.mainzemEmission redshiftsrc.redshiftfloatBmagB magnitudemagphot.mag;em.opt.BfloatSimbadSimbad column added by the CDScharNEDSimbad column added by the CDScharJ/A+A/458/427/linelistList of all modelled Lyman alpha linesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintQSOName of the QSO in which LOS the absorption line was detectedmeta.id;meta.maincharlambdaWavelength0.1nmem.wldoublee_lambdarms uncertainty on wavelength error0.1nmstat.errorfloatzRedshiftsrc.redshiftdoublelogNLogarithmus of column densitycm**-2phys.columnDensityfloate_logNrms uncertainty on logarithmus of column densitycm**-2stat.errorfloatbDoppler parameterkm/sspect.dopplerParamfloate_brms uncertainty on Doppler parameterkm/sstat.errorfloat