Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv

We 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 Δm15 (B) decline-rate values of 1.96 mag...

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Autores principales: Gall, 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.nJ., Campillay, A., Challis, P., Contreras, C., Elias De La Rosa, N., Folatelli, Gastón, Foley, R. J., Fraser, M., Holmbo, S., Marion, G. H., Morrell, Nidia Irene, Pan, Y. C., Pignata, G., Suntzeff, N. B., Taddia, F., Robledo Torres, S., Valenti, S.
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Astronomía
Física
Ciencias Naturales
Ciencias Exactas
Supernovae: general individual SN 2007on
Supernovae individual SN 2011iv
Dust
Extinction
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/93594
https://www.aanda.org/articles/aa/abs/2018/03/aa30886-17/aa30886-17.html
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-93594
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Astronomía
Física
Ciencias Naturales
Ciencias Exactas
Supernovae: general individual SN 2007on
Supernovae individual SN 2011iv
Dust
Extinction
spellingShingle Astronomía
Física
Ciencias Naturales
Ciencias Exactas
Supernovae: general individual SN 2007on
Supernovae individual SN 2011iv
Dust
Extinction
Gall, 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.nJ.
Campillay, A.
Challis, P.
Contreras, C.
Elias De La Rosa, N.
Folatelli, Gastón
Foley, R. J.
Fraser, M.
Holmbo, S.
Marion, G. H.
Morrell, Nidia Irene
Pan, Y. C.
Pignata, G.
Suntzeff, N. B.
Taddia, F.
Robledo Torres, S.
Valenti, S.
Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
topic_facet Astronomía
Física
Ciencias Naturales
Ciencias Exactas
Supernovae: general individual SN 2007on
Supernovae individual SN 2011iv
Dust
Extinction
description We 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 Δm15 (B) decline-rate values of 1.96 mag and 1.77 mag, respectively. Although they have similar decline rates, their peak B- and H-band magnitudes differ by ~ 0.60 mag and ~0.35 mag, 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 0.12 mag 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, 56Ni 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.
format Articulo
Articulo
author Gall, 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.nJ.
Campillay, A.
Challis, P.
Contreras, C.
Elias De La Rosa, N.
Folatelli, Gastón
Foley, R. J.
Fraser, M.
Holmbo, S.
Marion, G. H.
Morrell, Nidia Irene
Pan, Y. C.
Pignata, G.
Suntzeff, N. B.
Taddia, F.
Robledo Torres, S.
Valenti, S.
author_facet Gall, 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.nJ.
Campillay, A.
Challis, P.
Contreras, C.
Elias De La Rosa, N.
Folatelli, Gastón
Foley, R. J.
Fraser, M.
Holmbo, S.
Marion, G. H.
Morrell, Nidia Irene
Pan, Y. C.
Pignata, G.
Suntzeff, N. B.
Taddia, F.
Robledo Torres, S.
Valenti, S.
author_sort Gall, C.
title Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
title_short Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
title_full Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
title_fullStr Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
title_full_unstemmed Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007 on and SN 2011iv
title_sort two transitional type ia supernovae located in the fornax cluster member ngc 1404: sn 2007 on and sn 2011iv
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/93594
https://www.aanda.org/articles/aa/abs/2018/03/aa30886-17/aa30886-17.html
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bdutipo_str Repositorios
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