Optical spectra of Type Ia supernovae at <i>z</i>=0.46 and <i>z</i>=1.2

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dc.contributor.authorCoil, AL
dc.contributor.authorMatheson, T
dc.contributor.authorFilippenko, AV
dc.contributor.authorLeonard, DC
dc.contributor.authorTonry, J
dc.contributor.authorRiess, AG
dc.contributor.authorChallis, P
dc.contributor.authorClocchiatti, A
dc.contributor.authorGarnavich, PM
dc.contributor.authorHogan, CJ
dc.contributor.authorJha, S
dc.contributor.authorKirshner, RP
dc.contributor.authorLeibundgut, B
dc.contributor.authorPhillips, MM
dc.contributor.authorSchmidt, BP
dc.contributor.authorSchommer, RA
dc.contributor.authorSmith, RC
dc.contributor.authorSoderberg, AM
dc.contributor.authorSpyromilio, J
dc.contributor.authorStubbs, C
dc.contributor.authorSuntzeff, NB
dc.contributor.authorWoudt, P
dc.date.accessioned2025-01-21T01:31:05Z
dc.date.available2025-01-21T01:31:05Z
dc.date.issued2000
dc.description.abstractWe present optical spectra, obtained with the Keck 10 m telescope, of two high-redshift Type Ia supernovae (SNe Ia) discovered by the High-z Supernova Search Team: SN 1999ff at z = 0.455 and SN 1999fv at z similar to 1.2, the highest redshift published SN Ia spectrum. Both SNe were at maximum light when the spectra were taken. We compare our high-z spectra with low-z normal and peculiar SNe Ia as well as with SNe Ic, Ib, and II. There are no significant differences between SN 1999ff and normal SNe Ia at low redshift. SN 1999fv appears to be an SN Ia and does not resemble the most peculiar nearby SNe Ia.
dc.fuente.origenWOS
dc.identifier.eissn1538-4357
dc.identifier.issn0004-637X
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/96977
dc.identifier.wosidWOS:000165931300007
dc.issue.numero2
dc.language.isoen
dc.pagina.finalL114
dc.pagina.inicioL111
dc.revistaAstrophysical journal
dc.rightsacceso restringido
dc.subjectcosmology : observations
dc.subjectsupernovae : general
dc.subjectsupernovae : individual (SN 1999ff, SN 1999fv)
dc.titleOptical spectra of Type Ia supernovae at <i>z</i>=0.46 and <i>z</i>=1.2
dc.typeartículo
dc.volumen544
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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