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Título

New approaches to SNe Ia progenitors

AutorRuiz-Lapuente, Pilar
Palabras claveWhite dwarfs
Close binaries
Thermonuclear explosions
Supernovae, Type Ia
Supernovae, general
Fecha de publicación28-sep-2014
EditorElsevier
CitaciónNew Astronomy Reviews 62-63: 15- 31 (2014)
Resumen© 2014 Elsevier B.V. Although Type Ia supernovae (SNe Ia) are a major tool in cosmology and play a key role in the chemical evolution of galaxies, the nature of their progenitor systems (apart from the fact that they must content at least one white dwarf, that explodes) remains largely unknown. In the last decade, considerable efforts have been made, both observationally and theoretically, to solve this problem. Observations have, however, revealed a previously unsuspected variety of events, ranging from very underluminous outbursts to clearly overluminous ones, and spanning a range well outside the peak luminosity-decline rate of the light curve relationship, used to make calibrated candles of the SNe Ia. On the theoretical side, new explosion scenarios, such as violent mergings of pairs of white dwarfs, have been explored. We review those recent developments, emphasizing the new observational findings, but also trying to tie them to the different scenarios and explosion mechanisms proposed thus far.
Descripción17 pags.; 9 figs.
Versión del editorhttp://dx.doi.org/10.1016/j.newar.2014.08.002
URIhttp://hdl.handle.net/10261/113171
DOI10.1016/j.newar.2014.08.002
Identificadoresdoi: 10.1016/j.newar.2014.08.002
issn: 1387-6473
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