J/A+A/683/A203ivo://CDS.VizieR/J/A+A/683/A203doi:10.26093/cds/vizier.36830203CDSPistis F.Pollo A.Figueira M.Vergani D.Hamed M.Malek K.,Durkalec A.Donevski D.Salim S.Iovino A.Pearson W.J.Romano M.,Scodeggio M.2026-07-03T06:35:59Z2024-03-20T09:53:55ZCDS support team

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

cds-question@unistra.frstar-forming-regionsgalaxiesinterstellar-mediumspectroscopyWe investigate the influences on the evolution of the Fundamental Metallicity Relation of different selection criteria. We used 5487 star-forming galaxies at a median redshift z~0.63 extracted from the VIMOS Public Extragalactic Redshift Survey (VIPERS) and 143774 comparison galaxies in the local Universe from the GALEX-SDSS-WISE Legacy Catalog. We employed two families of methods: parametric and non-parametric. In the parametric approaches, we compared the Fundamental Metallicity Relation projections plagued by observational biases on differently constructed control samples at various redshifts. Then, the metallicity difference between different redshifts in stellar mass-star formation rate bins. In the non-parametric approach, we related the metallicity and the normalized specific star formation rate (sSFR). To compare galaxies with the same physical properties, we normalized the median of our samples according to the median sSFR at median redshift z~0.09. Then, the galaxies with the same distance from the star-forming main sequence at their respective redshifts are compared when the sSFR is normalized according to the expected values from their respective star-forming main sequence. The methodologies implemented to construct fair, complete samples for studying the mass-metallicity relation and the Fundamental Metallicity Relation produced consistent results showing a small, but still statistically significant evolution of both relations up to z~0.63. In particular, we observed a systematic trend where the median metallicity of the sample at z=0.63 is lower than that of the local sample at the same stellar mass and star formation rate. The average difference in the metallicity of the low and intermediate redshifts is approximately 1.8 times the metallicity standard deviation of the median, of the intermediate redshift sample, in stellar mass-star formation rate bins. We confirmed this result using the Kolmogorov-Smirnov test. When we applied the stellar mass-completeness criterion to catalogs, the metallicity difference in redshifts decreased to approximately 0.96 times the metallicity standard deviation of the median, thus not statistically significant. This result may be dominated by the limited parameter space, being the lower stellar mass galaxies where the difference is larger out from the analysis. A careful reading of the results, and their underlying selection criteria, are crucial in studies of the mass-metallicity and fundamental metallicity relations. When studying the mass-metallicity and fundamental metallicity relations, we recommend using the non-parametric approach providing similar results compared to parametric prescriptions, being easier to use and results fair to interpret. The non-parametric methodology provides a convenient way to compare physical properties, with a smaller impact on observational selection biases.2024A&A...683A.203Phttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/683/A203CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/609/A84 : VIPERS spectroscopic redshifts (PDR-2) (Scodeggio+, 2018)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/683/A203https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/683/A203http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/683/A203https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/683/A203https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/683/A203http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/683/A203GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/683/A203/vipers (Spectroscopic measurements)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/683/A203/vipers?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/683/A203/vipers?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/683/A203/vipers?GETtext/xml+votable180.050000true30.8151647-5.97483310.0055555555555555565/4421-4422 4425 4759 4764 6/17677-17679 17681-17683 17692 17697-17699 17705 17708 17712 19035 19047 19053 19060-19062 19064-19066 36798-36799https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/683/A203?format=asciidefaultJ/A+A/683/A203/vipersSpectroscopic measurementsEWHeII4687? Equivalent width for HeII4687 (HeII4687_ew)0.1nmspect.line.eqWidthdoublenullableSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalaxyGalaxy ID (num)meta.id;meta.mainlongzspSpectroscopic redshift (zspec)src.redshiftdoubleFH10? Flux for H10 (H10_flux)mW.m**-2phot.fluxdoublenullablef_H9? Flag for H9 (H9_flag) (1)meta.codeintnullableFH9? Flux for H9 (H9_flux)mW.m**-2phot.fluxdoublenullableFH8? Flux for H8 (H8_flux)mW.m**-2phot.fluxdoublenullableFHdelta? Flux for Hdelta (Hdelta_flux)mW.m**-2phot.fluxdoublenullableFHgamma? Flux for Hgamma (Hgamma_flux)mW.m**-2phot.fluxdoublenullableFHbeta? Flux for Hbeta (Hbeta_flux)mW.m**-2phot.flux;em.line.HbetadoublenullableFHalpha? Flux for Halpha (Halpha_flux)mW.m**-2phot.flux;em.line.HalphadoublenullableFOII3727? Flux for [OII]3727 (OII3727_flux)mW.m**-2phot.fluxdoublenullableFNeIII3968? Flux for [NeIII]3968 (NeIII3968_flux)mW.m**-2phot.fluxdoublenullableFNeIII3869? Flux for [NeIII]3869 (NeIII3869_flux)mW.m**-2phot.fluxdoublenullableFHeII4687? Flux for HeII4687 (HeII4687_flux)mW.m**-2phot.fluxdoublenullableFHeI5876? Flux for HeI5876 (HeI5876_flux)mW.m**-2phot.fluxdoublenullableFOIII4959? Flux for [OIII]4959 (OIII4959_flux)mW.m**-2phot.fluxdoublenullableFOIII5007? Flux for [OIII]5007 (OIII5007_flux)mW.m**-2phot.fluxdoublenullableFNII6549? Flux for [NII]6549 (NII6549_flux)mW.m**-2phot.fluxdoublenullableFNII6585? Flux for [NII]6585 (NII6585_flux)mW.m**-2phot.fluxdoublenullablee_FH10[]? Flux error for H10 (H10_flux_err)mW.m**-2stat.errordoublenullablee_FH9[]? Flux error for H9 (H9_flux_err)mW.m**-2stat.errordoublenullablee_FH8[]? Flux error for H8 (H8_flux_err)mW.m**-2stat.errordoublenullablee_FHdelta[]? Flux error for Hdelta (Hdelta_flux_err)mW.m**-2stat.errordoublenullablee_FHgamma[]? Flux error for Hgamma (Hgamma_flux_err)mW.m**-2stat.errordoublenullablee_FHbeta[]? Flux error for Hbeta (Hbeta_flux_err)mW.m**-2stat.errordoublenullablee_FHalpha[]? Flux error for Halpha (Halpha_flux_err)mW.m**-2stat.errordoublenullablee_FOII3727[]? Flux error for [OII]3727 (OII3727_flux_err)mW.m**-2stat.errordoublenullablee_FNeIII3968[]? Flux error for [NeIII]3968 (NeIII3968_flux_err)mW.m**-2stat.errordoublenullablee_FNeIII3869[]? Flux error for [NeIII]3869 (NeIII3869_flux_err)mW.m**-2stat.errordoublenullablee_FHeII4687[]? Flux error for HeII4687 (HeII4687_flux_err)mW.m**-2stat.errordoublenullablee_FHeI5876[]? Flux error for HeI5876 (HeI5876_flux_err)mW.m**-2stat.errordoublenullablee_FOIII4959[]? Flux error for [OIII]4959 (OIII4959_flux_err)mW.m**-2stat.errordoublenullablee_FOIII5007[]? Flux error for [OIII]5007 (OIII5007_flux_err)mW.m**-2stat.errordoublenullableEWH10? Equivalent width for H10 (H10_ew)0.1nmspect.line.eqWidthdoublenullableEWH9? Equivalent width for H9 (H9_ew)0.1nmspect.line.eqWidthdoublenullableEWH8? Equivalent width for H8 (H8_ew)0.1nmspect.line.eqWidthdoublenullableEWHdelta? Equivalent width for Hdelta (Hdelta_ew)0.1nmspect.line.eqWidthdoublenullableEWHgamma? Equivalent width for Hgamma (Hgamma_ew)0.1nmspect.line.eqWidthdoublenullableEWHbeta? Equivalent width for Hbeta (Hbeta_ew)0.1nmspect.line.eqWidthdoublenullableEWHalpha? Equivalent width for Halpha (Halpha_ew)0.1nmspect.line.eqWidthdoublenullableEWOII3727? Equivalent width for [OII]3727 (OII3727_ew)0.1nmspect.line.eqWidthdoublenullableEWNeIII3968? Equivalent width for [NeIII]3968 (NeIII3968_ew)0.1nmspect.line.eqWidthdoublenullableEWNeIII3869? Equivalent width for [NeIII]3869 (NeIII3869_ew)0.1nmspect.line.eqWidthdoublenullableEWHeI5876? Equivalent width for HeI5876 (HeI5876_ew)0.1nmspect.line.eqWidthdoublenullableEWOIII4959? Equivalent width for [OIII]4959 (OIII4959_ew)0.1nmspect.line.eqWidthdoublenullableEWOIII5007? Equivalent width for [OIII]5007 (OIII5007_ew)0.1nmspect.line.eqWidthdoublenullablee_EWH10? Equivalent width error for H10 (H10_ew_err)0.1nmstat.errordoublenullablee_EWH9? Equivalent width error for H9 (H9_ew_err)0.1nmstat.errordoublenullablee_EWH8? Equivalent width error for H8 (H8_ew_err)0.1nmstat.errordoublenullablee_EWHdelta? Equivalent width error for Hdelta (Hdelta_ew_err)0.1nmstat.errordoublenullablee_EWHgamma? Equivalent width error for Hgamma (Hgamma_ew_err)0.1nmstat.errordoublenullablee_EWHbeta? Equivalent width error for Hbeta (Hbeta_ew_err)0.1nmstat.errordoublenullablee_EWHalpha? Equivalent width error for Halpha (Halpha_ew_err)0.1nmstat.errordoublenullablee_EWOII3727? Equivalent width error for [OII]3727 (OII3727_ew_err)0.1nmstat.errordoublenullablee_EWNeIII3968? Equivalent width error for [NeIII]3968 (NeIII3968_ew_err)0.1nmstat.errordoublenullablee_EWNeIII3869? Equivalent width error for [NeIII]3869 (NeIII3869_ew_err)0.1nmstat.errordoublenullablee_EWHeII4687? Equivalent width error for HeII4687 (HeII4687_ew_err)0.1nmstat.errordoublenullablee_EWHeI5876? Equivalent width error for HeI5876 (HeI5876_ew_err)0.1nmstat.errordoublenullablee_EWOIII4959? Equivalent width error for [OIII]4959 (OIII4959_ew_err)0.1nmstat.errordoublenullablee_EWOIII5007? Equivalent width error for [OIII]5007 (OIII5007_ew_err)0.1nmstat.errordoublenullablef_H10? Flag for H10 (H10_flag) (1)meta.codeintnullablef_H8? Flag for H8 (H8_flag) (1)meta.codeintnullablef_Hdelta? Flag for Hdelta (Hdelta_flag) (1)meta.codeintnullablef_Hgamma? Flag for Hgamma (Hgamma_flag) (1)meta.codeintnullablef_Hbeta? Flag for Hbeta (Hbeta_flag) (1)meta.codeintnullablef_Halpha? Flag for Halpha (Halpha_flag) (1)meta.codeintnullablef_OII3727? Flag for [OII]3727 (OII3727_flag) (1)meta.codeintnullablef_NeIII3968? Flag for [NeIII]3968 (NeIII3968_flag) (1)meta.codeintnullablef_NeIII3869? Flag for [NeIII]3869 (NeIII3869_flag) (1)meta.codeintnullablef_HeII4687? Flag for HeII4687 (HeII4687_flag) (1)meta.codeintnullablef_HeI5876? Flag for HeI5876 (HeI5876_flag) (1)meta.codeintnullablef_OIII4959? Flag for [OIII]4959 (OIII4959_flag) (1)meta.codeintnullablef_OIII5007? Flag for [OIII]5007 (OIII5007_flag) (1)meta.codeintnullableD4000n? D4000n break (D4000n)spect.indexdoublenullablee_D4000n? D4000n break error (D4000n_err)stat.errordoublenullable_RAPositions from VIPERS PDR-2 (Scodeggio et al., Cat. J/A+A/609/A84) (right ascension part)degpos.eq.ra;meta.mainindexed_DEPositions from VIPERS PDR-2 (Scodeggio et al., Cat. J/A+A/609/A84) (declination part)degpos.eq.dec;meta.mainindexed