J/A+A/611/A58ivo://CDS.VizieR/J/A+A/611/A58doi:10.26093/cds/vizier.36110058CDSGall C.Stritzinger M.D.Ashall C.Baron E.Burns C.R.Hoeflich P.,Hsiao E.Y.Mazzali P.A.Phillips M.M.Filippenko A.V.Anderson J.P.,Benetti S.Brown P.J.Campillay A.Challis P.Contreras C.,Elias de la Rosa N.Folatelli G.Foley R.J.Fraser M.Holmbo S.,Marion G.H.Morrell N.Pan Y.-C.Pignata G.Suntzeff N.B.Taddia F.,Torres Robledo S.Valenti S.2018-05-14T09:29:54Z2018-03-27T07:25:09ZCDS support team

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

cds-question@unistra.frsupernovaephotometric-standard-starsultraviolet-photometryvisible-astronomysloan-photometryWide-band photometryinfrared-photometryWe present an analysis of ultraviolet (UV) to near-infrared observations of the fast-declining Type Ia supernovae (SNe Ia) 2007on and 2011iv, hosted by the Fornax cluster member NGC 1404. The B-band light curves of SN 2007on and SN 2011iv are characterised by {Delta}m15(B) decline-rate values of 1.96mag and 1.77mag, respectively. Although they have similar decline rates, their peak B- and H-band magnitudes differ by ~0.60mag and ~0.35mag, respectively. After correcting for the luminosity vs. decline rate and the luminosity vs. colour relations, the peak B-band and H-band light curves provide distances that differ by ~14% and ~9%, respectively. These findings serve as a cautionary tale for the use of transitional SNe Ia located in early-type hosts in the quest to measure cosmological parameters. Interestingly, even though SN 2011iv is brighter and bluer at early times, by three weeks past maximum and extending over several months, its B-V colour is 0.12mag redder than that of SN 2007on. To reconcile this unusual behaviour, we turn to guidance from a suite of spherical one-dimensional Chandrasekhar-mass delayed-detonation explosion models. In this context, ^56^Ni production depends on both the so-called transition density and the central density of the progenitor white dwarf. To first order, the transition density drives the luminosity-width relation, while the central density is an important second-order parameter. Within this context, the differences in the B-V colour evolution along the Lira regime suggest that the progenitor of SN 2011iv had a higher central density than SN 2007on.2018A&A...611A..58Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/611/A58CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/611/A58https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/611/A58http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/611/A58https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/611/A58https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/611/A58http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/611/A58GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/611/A58/table3 (Near-IR photometry of the local sequence stars in the field of NGC 1404 in the 'natural' system)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/611/A58/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/611/A58/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/611/A58/table3?GETtext/xml+votable180.050000true54.674125-35.59416670.005555555555555556Cone search capability for table J/A+A/611/A58/table2 (Optical photometry of the local sequence stars in the field of NGC 1404 in the 'standard' system)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/611/A58/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/611/A58/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/611/A58/table2?GETtext/xml+votable180.050000true54.6554167-35.56627780.0055555555555555566/34534-345351.143914381504295e-19 4.920466254354166e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/611/A58?format=asciiUVOpticalInfrareddefaultJ/A+A/611/A58/table3Near-IR photometry of the local sequence stars in the field of NGC 1404 in the 'natural' systemrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN name (SN 2007on or SN 2011iv)meta.id;meta.maincharStarStar numbermeta.idintRAJ2000Right Ascension J2000pos.eq.ra;meta.mainDEJ2000Declination J2000pos.eq.dec;meta.mainYmag? Y-band magnitudemagphot.mag;em.IR.Jfloatnullablee_Ymag? rms uncertainty on Ymagmmagstat.error;phot.mag;em.opt.BintnullableJmag? J-band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag? rms uncertainty on Jmagmmagstat.error;phot.mag;em.IR.JintnullableHmag? H-band magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag? rms uncertainty on Hmagmmagstat.error;phot.mag;em.IR.HintnullableJ/A+A/611/A58/table4Optical photometry of SN 2007on and SN 2011iv in the 'natural' systemrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN name (SN 2007on or SN 2011iv)meta.id;meta.maincharJDJulian date (JD-2450000)dtime.epochfloatumag? u-band magnitudemagphot.mag;em.opt.Ufloatnullablee_umag? rms uncertainty on umagmmagstat.error;phot.mag;em.opt.Uintnullablegmag? g-band magnitudemagphot.mag;em.opt.Bfloatnullablee_gmag? rms uncertainty on gmagmmagstat.error;phot.mag;em.opt.Bintnullablermag? r-band magnitudemagphot.mag;em.opt.Rfloatnullablee_rmag? rms uncertainty on rmagmmagstat.error;phot.mag;em.opt.Rintnullableimag? i-band magnitudemagphot.mag;em.opt.Ifloatnullablee_imag? rms uncertainty on imagmmagstat.error;phot.mag;em.opt.IintnullableBmag? B-band magnitudemagphot.mag;em.opt.Bfloatnullablee_Bmag? rms uncertainty on Bmagmmagstat.error;phot.mag;em.opt.BintnullableVmag? V-band magnitudemagphot.mag;em.opt.Vfloatnullablee_Vmag? rms uncertainty on Vmagmmagstat.error;phot.mag;em.opt.VintnullableJ/A+A/611/A58/table5NIR photometry of SN 2007on and SN 2011iv in the 'natural' systemrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN name (SN 2007on or SN 2011iv)meta.id;meta.maincharJDJulian date (JD-2450000)dtime.epochfloatYmag? Y-band magnitudemagphot.mag;em.IR.Jfloatnullablee_Ymag? rms uncertainty on Ymagmmagstat.error;phot.mag;em.opt.BintnullableJmag? J-band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag? rms uncertainty on Jmagmmagstat.error;phot.mag;em.IR.JintnullableHmag? H-band magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag? rms uncertainty on Hmagmmagstat.error;phot.mag;em.IR.HintnullableTelAbbreviation of the telescope used (1)instr.setupcharJ/A+A/611/A58/table1UVOT UV photometry of SN 2007on and SN 2011ivrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN name (SN 2007on or SN 2011iv)meta.id;meta.maincharMJDModified Julian datedtime.epochfloatPhasePhase, days relative to T(B)maxdtime.phasefloatUVW2? UVW2-band magnitudemagphot.mag;em.UVfloatnullablee_UVW2? rms uncertainty on UVW2mmagstat.errorintnullableUVM2? UVM2-band magnitudemagphot.mag;em.UVfloatnullablee_UVM2? rms uncertainty on UVM2mmagstat.errorintnullableUVW1? UVW1-band magnitudemagphot.mag;em.UVfloatnullablee_UVW1? rms uncertainty on UVW1mmagstat.errorintnullableJ/A+A/611/A58/table2Optical photometry of the local sequence stars in the field of NGC 1404 in the 'standard' systemrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSNSN name (SN 2007on or SN 2011iv)meta.id;meta.maincharStarStar numbermeta.idintRAJ2000Right Ascension J2000pos.eq.ra;meta.mainDEJ2000Declination J2000pos.eq.dec;meta.mainumag? u-band magnitudemagphot.mag;em.opt.Ufloatnullablee_umag? rms uncertainty on umagmmagstat.error;phot.mag;em.opt.Uintnullablegmag? g-band magnitudemagphot.mag;em.opt.Bfloatnullablee_gmag? rms uncertainty on gmagmmagstat.error;phot.mag;em.opt.Bintnullablermagr-band magnitudemagphot.mag;em.opt.Rfloate_rmagrms uncertainty on rmagmmagstat.error;phot.mag;em.opt.Rintimagi-band magnitudemagphot.mag;em.opt.Ifloate_imagrms uncertainty on imagmmagstat.error;phot.mag;em.opt.IintBmag? B-band magnitudemagphot.mag;em.opt.Bfloatnullablee_Bmag? rms uncertainty on Bmagmmagstat.error;phot.mag;em.opt.BintnullableVmag? V-band magnitudemagphot.mag;em.opt.Vfloatnullablee_Vmag? rms uncertainty on Vmagmmagstat.error;phot.mag;em.opt.Vintnullable