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Chinese Academy of Sciences Institutional Repositories Grid
Next generation population synthesis of accreting white dwarfs - I. Hybrid calculations using BSE plus MESA

文献类型:期刊论文

作者Chen HL(陈海亮)1,2,3,4; Woods, TE4; Yungelson, LR5; Gilfanov, M4,6,7; Han ZW(韩占文)1,2
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2014-12-01
卷号445期号:2页码:1912-1923
ISSN号0035-8711
关键词binaries: close stars: evolution supernovae: general white dwarfs
通讯作者Chen, HL (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China.
产权排序第一完成单位
英文摘要Accreting, nuclear-burning white dwarfs (WDs) have been deemed to be candidate progenitors of Type Ia supernovae (SNe Ia), and to account for supersoft X-ray sources, novae, etc. depending on their accretion rates. We have carried out a binary population synthesis study of their populations using two algorithms. In the first, we use the binary population synthesis code BSE as a baseline for the 'rapid' approach commonly used in such studies. In the second, we employ a 'hybrid' approach, in which we use BSE to generate a population of WDs with non-degenerate companions on the verge of filling their Roche lobes. We then follow their mass transfer phase using the detailed stellar evolution code MESA. We investigate the evolution of the number of rapidly accreting white dwarfs (RAWDs) and stably nuclear-burning white dwarfs (SNBWDs), and estimate the SNe Ia rate produced by 'single degenerate' (SD) systems. We find significant differences between the two algorithms in the predicted numbers of SNBWDs at early times, and also in the delay time distribution (DTD) of SD SNe Ia. Such differences in the treatment of mass transfer may partially account for differences in the SNe Ia rate and DTD found by different groups. Adopting 100 per cent efficiency for helium burning, the rate of SNe Ia produced by the SD channel in a Milky Way-like galaxy in our calculations is 2.0 x 10(-4) yr(-1), more than an order of magnitude below the observationally inferred value. In agreement with previous studies, our calculated SD DTD is inconsistent with observations.
学科主题Astronomy & Astrophysics
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
关键词[WOS]COMMON ENVELOPE EVOLUTION ; X-RAY SOURCES ; SINGLE-DEGENERATE CHANNEL ; STELLAR ASTROPHYSICS MESA ; DELAY-TIME DISTRIBUTION ; CLOSE BINARY-SYSTEMS ; IA SUPERNOVAE ; GALACTIC POPULATION ; STAR-FORMATION ; MASS-TRANSFER
收录类别SCI
原文出处http://mnras.oxfordjournals.org/content/445/2/1912
语种英语
WOS记录号WOS:000346959400068
源URL[http://ir.ynao.ac.cn/handle/114a53/4567]  
专题云南天文台_大样本恒星演化研究组
云南天文台_中国科学院天体结构与演化重点实验室
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Max Planck Institute for Astrophysics, Karl-Schwarzschild-Str. 1, Garching b. München D-85741, Germany
5.Institute of astronomy, RAS, 48 Pyatnitskaya Str., 119017 Moscow, Russia
6.Kazan Federal University, Kremlevskaya str.18, 420008 Kazan, Russia
7.Space Research Institute of Russian Academy of Sciences, Profsoyuznaya 84/32, 117997 Moscow, Russia
推荐引用方式
GB/T 7714
Chen HL,Woods, TE,Yungelson, LR,et al. Next generation population synthesis of accreting white dwarfs - I. Hybrid calculations using BSE plus MESA[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,445(2):1912-1923.
APA Chen HL,Woods, TE,Yungelson, LR,Gilfanov, M,&Han ZW.(2014).Next generation population synthesis of accreting white dwarfs - I. Hybrid calculations using BSE plus MESA.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,445(2),1912-1923.
MLA Chen HL,et al."Next generation population synthesis of accreting white dwarfs - I. Hybrid calculations using BSE plus MESA".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 445.2(2014):1912-1923.

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来源:云南天文台

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