J/MNRAS/457/3470ivo://CDS.VizieR/J/MNRAS/457/3470doi:10.26093/cds/vizier.74573470CDSCampbell H.Fraser M.Gilmore G.2024-08-15T20:18:06Z2017-03-17T12:47:12ZCDS support team

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

cds-question@unistra.frsupernovaephotometrystellar-distanceWe present a systematic study of the relationship between Type Ia Supernova (SN Ia) properties, and the characteristics of their host galaxies, using a sample of 581 SNe Ia from the full Sloan Digital Sky Survey II (SDSS-II) SN Survey. We also investigate the effects of this on the cosmological constraints derived from SNe Ia. Compared to previous studies, our sample is larger by a factor of >4, and covers a substantially larger redshift range (up to z~0.5), which is directly applicable to the volume of cosmological interest. We measure a significant correlation (>5{sigma}) between the host-galaxy stellar-mass and the SN Ia Hubble Residuals (HR). We find a weak correlation (1.4{sigma}) between the host-galaxy metallicity as measured from emission lines in the spectra, and the SN Ia HR. We also find evidence that the slope of the correlation between host-galaxy mass and HR is -0.11mag/log(M_host_/M_{sun}_) steeper in lower metallicity galaxies. We test the effects on a cosmological analysis using both the derived best-fitting correlations between host parameters and HR, and by allowing an additional free parameter in the fit to account for host properties which we then marginalize over when determining cosmological parameters. We see a shift towards more negative values of the equation-of-state parameter w, along with a shift to lower values of {Omega}_m_ after applying mass or metallicity corrections. The shift in cosmological parameters with host-galaxy stellar-mass correction is consistent with previous studies. We find a best-fitting cosmology of {OMEGA}_m+=0.266+/-0.016, {OMEGA}_{LAMBDA}_=0.740+/-0.018 and w=-1.151^+0.123^_-0.121_ (statistical errors only).2016MNRAS.457.3470Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/457/3470CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toV/139 : SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)J/ApJ/763/88 : SDSS-II supernovae Ia cosmological analysis (Campbell+, 2013)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/457/3470https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/457/3470http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/457/3470https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/457/3470https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/457/3470http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/457/3470GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/457/3470/tablec1 (SNe Ia with host galaxy data)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/457/3470/tablec1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/457/3470/tablec1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/457/3470/tablec1?GETtext/xml+votable180.050000true327.3544-0.78470.0055555555555555565/4438 4454 4458 4460 4501-4502 4506 4517-4518 4693-4694 4697-4698 4709 4762 4774 6/2 17405 17407 17661-17663 17725 17727 17742-17743 17745-17747 17749-17751 17756-17757 17762-17765 17768 17770-17774 17776 17778 17807 17809 17813-17814 17820-17822 17825-17827 17829-17831 17836 17856-17857 17981 17983 17997 17999 18001-18003 18012-18014 18017-18022 18028-18030 18032 18034 18061 18063 18065-18067 18077 18082-18083 18085-18087 18089-18090 18092 18094 18096-18097 18112-18114 18177-18178 18685-18687 18749-18751 18765-18767 18769-18771 18780 18782 18786-18787 18796 18798 18800-18802 18833 18835 18841 18843-18844 18846 18849-18852 18854-18856 18858-18859 18862 18864-18866 18880-18882 19021-19023 19025 19027 19029 19031-19032 19034-19038 19041-19043 19045 19047 19052-19054 19056-19058 19085-19086 19089-19093 19100-19101 19106 19108 19113 19116 19120-19121 19138 19200 19202 19456-19457https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/457/3470?format=asciiOpticaldefaultJ/MNRAS/457/3470/tablec1SNe Ia with host galaxy datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN identification number, SDSS-II SN NNNNN in Simbadmeta.id;meta.mainintzHHost-galaxy redshiftsrc.redshift;pos.heliocentricdoublee_zHHost-galaxy redshift errorstat.errordoubleRAJ2000[-43/45] SN right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000[-1.3/1.3] SN declination (J2000)degpos.eq.dec;meta.mainX0SN SALT2 parameter X0magstat.fit.paramdoublee_X0SN SALT2 parameter X0 errormagstat.error;pos.cartesian.xdoubleX1SN SALT2 parameter X1magstat.fit.paramdoublee_X1SN SALT2 parameter X1 errormagstat.errordoublecSN SALT2 colour ((B-V)max-<B-V>)magstat.fit.paramdoublee_cSN SALT2 colour errormagstat.errordoubleC00SN SALT2 X0 variancestat.covariancedoubleC01SN SALT2 (X0, X1) covariancestat.covariancedoubleC02SN SALT2 X0, colour) covariancestat.covariancedoubleC11SN SALT2 X1 variancestat.covariancedoubleC12SN SALT2 (X1, colour) covariancestat.covariancedoubleC22SN SALT2 colour variancestat.covariancedoublemuSN distance modulus uncorrected for Malmquist biasmagphot.mag.distModfloatmucSN distance modulus corrected for Malmquist biasmagphot.mag.distModfloate_mucSN distance modulus errormagstat.errordoublemucosSN best-fitting cosmology estimated distance modulusmagphot.mag.distModdoublee_mucosSN best-fitting cosmology estimated distance modulus errormagstat.errordoubleHRSN Hubble Residual from distance modulus uncorrected for Malmquist biasmagstat.fit.residualdoubleHRcSN Hubble Residual from distance modulus corrected for Malmquist biasmagstat.fit.residualdoublee_HRcHR errormagstat.errordoubleHostHost-galaxy ObjID (DR8)meta.id.parentcharn_Host[*] * when ObjID from SDSS DR7meta.notecharTypeHHost-galaxy typesrc.morph.typecharl_MetH[l] Limit flag on MetHmeta.code.errorcharMetHHost-galaxy metallicity (Z)phys.abund.Zdoublee_MetHHost-galaxy metallicity errorstat.errordoublen_MetHHost-galaxy metallicity type (measured or upper limit)meta.notecharlogMassHHost-galaxy masslog(solMass)phys.massdoublee_logMassHHost-galaxy mass errorlog(solMass)stat.errordoublel_logSFRH[l] Limit flag on logSFRHmeta.code.errorcharlogSFRHHost-galaxy SFRlog(solMass.yr**-1)phys.SFRdoublee_logSFRHHost-galaxy SFR errorlog(solMass.yr**-1)stat.errordoublen_logSFRHHost-galaxy SFR type (measured or upper limit)meta.notecharlogsSFRHHost-galaxy sSFRlog(yr**-1)phys.SFRdoublee_logsSFRHHost-galaxy sSFR errorlog(yr**-1)stat.errordoublelogAgeHost-galaxy agelog(Gyr)time.agedoublee_logAgeHost-galaxy age errorlog(Gyr)stat.error;time.agedoubleSloanDisplay the online SDSS data for the host galaxymeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar