J/ApJ/662/72ivo://CDS.VizieR/J/ApJ/662/72doi:10.26093/cds/vizier.16620072CDSBecker G.D.Rauch M.Sargent W.L.W.2017-09-29T09:03:06Z2009-06-02T16:27:08ZCDS support team

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

cds-question@unistra.frquasarsredshiftedspectroscopyWe examine the evolution of the IGM Ly{alpha} optical depth distribution using the transmitted flux probability distribution function (PDF) in a high-resolution sample of 55 QSOs spanning absorption redshifts 1.7<z<5.8. The data are compared to two theoretical {tau} distributions: a model distribution based on the density distribution of Miralda-Escude et al. (2000ApJ...530....1M; MHR00) and a lognormal distribution.2007ApJ...662...72Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/662/72CatalogResearchIsServedByTAP 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/A+A/458/427 : Lyman alpha absorbers in 0.5<z<1.9 QSOs (Janknecht+, 2006)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/662/72https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/662/72http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/662/72https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/662/72https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/662/72http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/662/72GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/662/72/qsos (QSOs list)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/662/72/qsos?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/662/72/qsos?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/662/72/qsos?GETtext/xml+votable180.050000true41.0075-1.5672220.0055555555555555566/592 4279 4662 4947 5272 5563 5630 5723 5906 5952 6591 6853 7197 7309 7857 8291 8552 8912 9112 9114 9272 9373 10140 11596 16269 16589 16656 17639 17735 17917 18042 18406 18642 18858 19028 19680 19682 20273 21012 21872 22594 23304 25540 26280 26462 27440 27578 28281 28532 28648 36417 36792 40446 48474https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/662/72?format=asciiOpticaldefaultJ/ApJ/662/72/qsosQSOs listrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintQSOQSO designation (1)meta.id;meta.maincharprimaryRAJ2000? Simbad Hour of Right Ascension (J2000.0)pos.eq.ra;meta.mainnullableDEJ2000? Simbad Degree of Declination (J2000.0)pos.eq.dec;meta.mainnullableSNameSimbad namemeta.idcharSimbadSimbad column added by the CDScharNEDSimbad column added by the CDScharJ/ApJ/662/72/table1Fitted Ly{alpha} Forest regionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintQSOQSO designationmeta.id;meta.maincharzQSO redshiftsrc.redshiftfloatzabsMean absorption redshiftsrc.redshiftfloatzabsmMimimun absorption redshift valuesrc.redshiftfloatzabsMMaximum absorption redshift valuesrc.redshiftfloatEFluxMedian error fluxstat.errorfloat