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The Progenitors of Type Ia Supernovae

Published online by Cambridge University Press:  26 May 2016

Zhanwen Han  and
Philipp Podsiadlowski
Zhanwen Han
Affiliation:
Yunnan Observatory, NAOC, CAS, Kunming, 650011, P.R. China
Philipp Podsiadlowski
Affiliation:
University of Oxford, Dept. of Astrophysics, Oxford, OX1 3RH, UK

Abstract

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Using binary population synthesis (BPS), we studied the birthrates of SNe Ia for two progenitor models – the single degenerate model and the double degenerate model. We find that the birthrates from both models are within a factor of a few comparable to those inferred observationally. For each model, we investigate different star-formation histories (single star burst or constant star formation), different metallicities (Z = 0.02, 0.004, 0.001), different parameters for the BPS model (mass transfer efficiency during stable mass transfer, common-envelope ejection parameters) and obtain the evolution of birthrates with time.

Type
Part 4 Supernovae and Supernova Remnants
Information
Symposium - International Astronomical Union , Volume 214: High Energy Processes and Phenomena in Astrophysics , 2003 , pp. 109 - 112
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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