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Progenitors of type Ia supernovae and their surviving companion stars

Published online by Cambridge University Press:  21 February 2013

B. Wang ,
Z. Liu ,
H. Chen ,
S. Jia  and
Z. Han
B. Wang
Affiliation:
Yunnan Observatory, CAS, Kunming, 650011, China (email: wangbo@ynao.ac.cn) Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China
Z. Liu
Affiliation:
Yunnan Observatory, CAS, Kunming, 650011, China (email: wangbo@ynao.ac.cn) Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China
H. Chen
Affiliation:
Yunnan Observatory, CAS, Kunming, 650011, China (email: wangbo@ynao.ac.cn) Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China
S. Jia
Affiliation:
Yunnan Observatory, CAS, Kunming, 650011, China (email: wangbo@ynao.ac.cn) Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China
Z. Han
Affiliation:
Yunnan Observatory, CAS, Kunming, 650011, China (email: wangbo@ynao.ac.cn) Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China
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Abstract

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Type Ia supernovae (SNe Ia) are the best cosmological distance indicator, however, there is still no agreement on the nature of their progenitors. There are mainly two progenitor scenarios, i.e., the single degenerate (SD) and double degenerate (DD) scenarios. In this article, we introduced our binary evolution models of various progenitor scenarios. We also obtained many properties of the surviving companions from various SD systems, which may be helpful for identifying SN Ia progenitor model. At present, it seems likely that more than one progenitor model may be required to explain the observed diversity of SNe Ia.

Keywords

Binaries: close – supernovae: general – white dwarfs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S290: Feeding Compact Objects: Accretion on All Scales , August 2012 , pp. 321 - 322
Copyright
Copyright © International Astronomical Union 2013

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