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Type Ia Supernovae and the Uncertainties in their Progenitor Evolution

Published online by Cambridge University Press:  17 January 2013

J. S. W. Claeys ,
O. R. Pols  and
R. G. Izzard
J. S. W. Claeys
Affiliation:
Department of Astrophysics/IMAPP, Radboud University Nijmegen, PO Box 9010, NL-6500 GL Nijmegen, the Netherlands email: J.Claeys@astro.ru.nl
O. R. Pols
Affiliation:
Department of Astrophysics/IMAPP, Radboud University Nijmegen, PO Box 9010, NL-6500 GL Nijmegen, the Netherlands email: J.Claeys@astro.ru.nl
R. G. Izzard
Affiliation:
Argelander-Institut für Astronomie, University of Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
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Abstract

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We use binary population synthesis to study the main proposed channels leading to Type Ia supernovae, the single degenerate channel (SD) and double degenerate channel (DD). For this purpose, we discuss the progenitor evolution and the influence of the common envelope efficiency, αce, on the rate of the different channels. Our study demonstrates the large αce-dependence of both channels, especially for the SD channel.

Keywords

supernovae: general — stars: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Issue S281: Binary Paths to Type Ia Supernovae Explosions , July 2011 , pp. 236 - 239
Copyright
Copyright © International Astronomical Union 2013

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