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High velocity and hypervelocity stars from the companions of type Ia supernovae

Published online by Cambridge University Press:  06 January 2014

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

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The single-degenerate (SD) model is currently a favourable progenitor scenario for the production of type Ia supernovae (SNe Ia). The companion in the SD model would survive after the SN explosion. In this work, we obtained the velocity distribution of the surviving companion stars from different SD scenarios in the Galaxy, which can be verified by future observations.

Keywords

binaries: close – supernovae: general – white dwarfs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 443
Copyright
Copyright © International Astronomical Union 2014 

References

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Wang, B., & Han, Z. 2012, New Astron. Rev., 56, 122CrossRefGoogle Scholar