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A likely candidate of type Ia supernova progenitors: the X-ray pulsating companion of the hot subdwarf HD 49798
Wang Bo; Han Zhanwen
2010
Source PublicationResearch in Astronomy and Astrophysics
ISSN1674-4527
Volume10Issue:7Pages:681
AbstractHD 49798 is a hydrogen depleted subdwarf 06 star and has an X-ray pulsating companion (RX J0648.0-4418). The X-ray pulsating companion is a massive white dwarf. Employing Eggleton's stellar evolution code with the optically thick wind assumption, we find that the hot subdwarf HD 49798 and its X-ray pulsating companion could produce a type Ia supernova (SN Ia) in future evolution. This implies that the binary system is a likely candidate of an SN Ia progenitor. We also discuss the possibilities of some other WD + He star systems (e.g. V445 Pup and KPD 1930+2752) for producing SNe Ia
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/41752
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang Bo,Han Zhanwen. A likely candidate of type Ia supernova progenitors: the X-ray pulsating companion of the hot subdwarf HD 49798[J]. Research in Astronomy and Astrophysics,2010,10(7):681.
APA Wang Bo,&Han Zhanwen.(2010).A likely candidate of type Ia supernova progenitors: the X-ray pulsating companion of the hot subdwarf HD 49798.Research in Astronomy and Astrophysics,10(7),681.
MLA Wang Bo,et al."A likely candidate of type Ia supernova progenitors: the X-ray pulsating companion of the hot subdwarf HD 49798".Research in Astronomy and Astrophysics 10.7(2010):681.
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