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Blue Large-amplitude Pulsators: The Possible Surviving Companions of Type Ia Supernovae
Meng,Xiang-Cun1,2,3; Han,Zhan-Wen1,2,3; Podsiadlowski,Philipp4; Li,Jiao1,5
2020-11-01
Source PublicationThe Astrophysical Journal
ISSN0004-637X
Volume903Issue:2
AbstractAbstract The single degenerate (SD) model, one of the leading models for the progenitors of Type Ia supernovae (SNe Ia), predicts that there should be binary companions that survive the supernova explosion, which, in principle, should be detectable in the Galaxy. The discovery of such surviving companions could therefore provide conclusive support for the SD model. Several years ago, a new type of mysterious variable was discovered, the so-called blue large-amplitude pulsators (BLAPs). Here we show that all the properties of BLAPs can be reasonably well reproduced if they are indeed such surviving companions, in contrast to other proposed channels. This suggests that BLAPs could potentially be the long-sought surviving companions of SNe Ia. Our model also predicts a new channel for forming single hot subdwarf stars, consistent with a small group in the present sample of hot subdwarf stars.
KeywordType Ia supernovae White dwarf stars Variable stars Supernova remnants
DOI10.3847/1538-4357/abbb8e
Language英语
WOS IDIOP:0004-637X-903-2-abbb8e
PublisherThe American Astronomical Society
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/62254
Collection中国科学院国家天文台
Corresponding AuthorMeng,Xiang-Cun
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, 650216 Kunming, People's Republic of China; xiangcunmeng@ynao.ac.cn
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650216 Kunming, People's Republic of China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, People's Republic of China
4.Department of Astronomy, Oxford University, Oxford, OX1 3RH, UK
5.Key Laboratory of Space Astronomy and Technology, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
Recommended Citation
GB/T 7714
Meng,Xiang-Cun,Han,Zhan-Wen,Podsiadlowski,Philipp,et al. Blue Large-amplitude Pulsators: The Possible Surviving Companions of Type Ia Supernovae[J]. The Astrophysical Journal,2020,903(2).
APA Meng,Xiang-Cun,Han,Zhan-Wen,Podsiadlowski,Philipp,&Li,Jiao.(2020).Blue Large-amplitude Pulsators: The Possible Surviving Companions of Type Ia Supernovae.The Astrophysical Journal,903(2).
MLA Meng,Xiang-Cun,et al."Blue Large-amplitude Pulsators: The Possible Surviving Companions of Type Ia Supernovae".The Astrophysical Journal 903.2(2020).
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