J/A+A/683/A46ivo://CDS.VizieR/J/A+A/683/A46doi:10.26093/cds/vizier.36830046CDSFavole G.Gonzalez-Perez V.Ascasibar Y.Corcho-Caballero P.,Montero-Dorta A.D.Benson A.D.Comparat J.Cora S.A.Croton D.Guo H.,Izquierdo-Villalba D.Knebe A.Orsi A.Stoppacher D.Vega-Martinez C.A.2024-11-29T20:01:18Z2024-03-07T08:22:23ZCDS support team

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

cds-question@unistra.frastronomical-modelsgalaxiesphotometryvisible-astronomyh-alpha-photometryh-beta-photometryNebular emission lines are powerful diagnostics for the physical processes at play in galaxy formation and evolution. Moreover, emission-line galaxies (ELGs) are one of the main targets of current and forthcoming spectroscopic cosmological surveys. We investigate the contributions to the line luminosity functions (LFs) of different galaxy populations in the local Universe, providing a benchmark for future surveys of earlier cosmic epochs. The large statistics of the observations from the SDSS DR7 Main galaxy sample and the MPA-JHU spectral catalogue enabled us to precisely measure the H{alpha}, H{beta}, [OII], [OIII], and, for the first time, the [NII], and [SII] emission-line LFs over ~2.4Gyrs in the low-z Universe, 0.02<z<0.22. We present a generalized 1/Vmax LF estimator capable of simultaneously correcting for spectroscopic, r-band magnitude, and emission-line incompleteness. We studied the contribution to the LF of different types of ELGs classified using two methods: (i) the value of the specific star formation rate (sSFR), and (ii) the line ratios on the Baldwin-Phillips-Terlevich (BPT) and the WHAN (i.e., H{alpha} equivalent width versus the [NII]/H{alpha} line ratio) diagrams. The ELGs in our sample are mostly star forming, with 84 per cent having sSFR>10^-11^yr^-1^. When classifying ELGs using the BPT+WHAN diagrams, we find that 63.3 per cent are star forming, only 0.03 are passively evolving, and 1.3 have nuclear activity (Seyfert). The rest are low-ionization narrow emission-line regions (LINERs) and composite ELGs. We found that a Saunders function is the most appropriate to describe all of the emission-line LFs, both observed and dust-extinction-corrected. They are dominated by star-forming regions, except for the bright end of the [OIII] and [NII] LFs (i.e. L[NII]>10^42^erg/s, L[OIII]>10^43^erg/s), where the contribution of Seyfert galaxies is not negligible.2024A&A...683A..46Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/683/A46CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/683/A46https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/683/A46http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/683/A46https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/683/A46https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/683/A46http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/683/A46GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/A+A/683/A46/com-iIntrinsic composite line luminosity functionsrecnoRecord number assigned by the VizieR team. 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Should Not be used for identification.meta.recordintJ/A+A/683/A46/liner-oObserved LINERs line luminosity functionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintlogLlogarithmic line luminositylog(1e-07W)phys.luminosityfloatLFHaLine Halpha luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO2Line [OII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO3Line [OIII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFHbLine Hbeta luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFN2Line [NII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFS2Line [SII] luminosity function (1)Mpc**-3phys.luminosity.fundoublee_LFHarms uncertainty on Halpha luminosity function (1)Mpc**-3stat.errordoublee_LFS2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublee_LFO2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublee_LFO3rms uncertainty on [OIII] luminosity function (1)Mpc**-3stat.errordoublee_LFHbrms uncertainty on Hbeta luminosity function (1)Mpc**-3stat.errordoublee_LFN2rms uncertainty on [NII] luminosity function (1)Mpc**-3stat.errordoubleJ/A+A/683/A46/pass-iIntrinsic passive line luminosity functionsrecnoRecord number assigned by the VizieR team. 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Should Not be used for identification.meta.recordinte_LFHbrms uncertainty on Hbeta luminosity function (1)Mpc**-3stat.errordoublee_LFN2rms uncertainty on [NII] luminosity function (1)Mpc**-3stat.errordoublee_LFS2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublelogLlogarithmic line luminositylog(1e-07W)phys.luminosityfloatLFHaLine Halpha luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO2Line [OII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO3Line [OIII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFHbLine Hbeta luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFN2Line [NII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFS2Line [SII] luminosity function (1)Mpc**-3phys.luminosity.fundoublee_LFHarms uncertainty on Halpha luminosity function (1)Mpc**-3stat.errordoublee_LFO2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublee_LFO3rms uncertainty on [OIII] luminosity function (1)Mpc**-3stat.errordoubleJ/A+A/683/A46/sfbpt-iIntrinsic star-forming BPT line luminosity functionsrecnoRecord number assigned by the VizieR team. 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Should Not be used for identification.meta.recordintlogLlogarithmic line luminositylog(1e-07W)phys.luminosityfloate_LFO3rms uncertainty on [OIII] luminosity function (1)Mpc**-3stat.errordoublee_LFHbrms uncertainty on Hbeta luminosity function (1)Mpc**-3stat.errordoublee_LFN2rms uncertainty on [NII] luminosity function (1)Mpc**-3stat.errordoublee_LFS2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoubleLFHaLine Halpha luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO2Line [OII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO3Line [OIII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFHbLine Hbeta luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFN2Line [NII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFS2Line [SII] luminosity function (1)Mpc**-3phys.luminosity.fundoublee_LFHarms uncertainty on Halpha luminosity function (1)Mpc**-3stat.errordoublee_LFO2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoubleJ/A+A/683/A46/sfssfr-iIntrinsic star-forming sSFR line luminosity functionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintlogLlogarithmic line luminositylog(1e-07W)phys.luminosityfloatLFHaLine Halpha luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO2Line [OII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO3Line [OIII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFHbLine Hbeta luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFN2Line [NII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFS2Line [SII] luminosity function (1)Mpc**-3phys.luminosity.fundoublee_LFHarms uncertainty on Halpha luminosity function (1)Mpc**-3stat.errordoublee_LFO2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublee_LFO3rms uncertainty on [OIII] luminosity function (1)Mpc**-3stat.errordoublee_LFHbrms uncertainty on Hbeta luminosity function (1)Mpc**-3stat.errordoublee_LFN2rms uncertainty on [NII] luminosity function (1)Mpc**-3stat.errordoublee_LFS2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoubleJ/A+A/683/A46/sfssfr-oObserved star-forming sSFR line luminosity functionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintlogLlogarithmic line luminositylog(1e-07W)phys.luminosityfloatLFHaLine Halpha luminosity function (1)Mpc**-3phys.luminosity.fundoublee_LFHarms uncertainty on Halpha luminosity function (1)Mpc**-3stat.errordoublee_LFO2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoublee_LFO3rms uncertainty on [OIII] luminosity function (1)Mpc**-3stat.errordoublee_LFHbrms uncertainty on Hbeta luminosity function (1)Mpc**-3stat.errordoublee_LFN2rms uncertainty on [NII] luminosity function (1)Mpc**-3stat.errordoublee_LFS2rms uncertainty on [SII] luminosity function (1)Mpc**-3stat.errordoubleLFO2Line [OII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFO3Line [OIII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFHbLine Hbeta luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFN2Line [NII] luminosity function (1)Mpc**-3phys.luminosity.fundoubleLFS2Line [SII] luminosity function (1)Mpc**-3phys.luminosity.fundouble