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Super-Eddington wind scenario for the progenitors of type Ia supernovae: binary population synthesis calculations
Wang B(王博)1,2; Ma X(马鑫)1,2; Liu DD(刘栋栋)1,2; Liu, ZW3; Wu CY(吴程远)1,2; Zhang JJ(张居甲)1,2; Han ZW(韩占文)1,2
发表期刊ASTRONOMY & ASTROPHYSICS
2015-04
卷号576
DOI10.1051/0004-6361/201425294
产权排序第1完成单位
收录类别SCI ; EI
关键词Binaries: Close Stars: Evolution Supernovae: General
摘要

Context. The super-Eddington wind scenario has been proposed as an alternative way for producing type Ia supernovae (SNe Ia). The super-Eddington wind can naturally prevent the carbon-oxygen white dwarfs (CO WDs) with high mass-accretion rates from becoming red-giant-like stars. Furthermore, it works in low-metallicity environments, which may explain SNe Ia observed at high redshifts. 

Aims. In this article, we systematically investigated the most prominent single-degenerate WD+ MS channel based on the super-Eddington wind scenario. 

Methods. We combined the Eggleton stellar evolution code with a rapid binary population synthesis (BPS) approach to predict SN Ia birthrates for the WD+ MS channel by adopting the super-Eddington wind scenario and detailed mass-accumulation efficiencies of H-shell flashes on the WDs. 

Results. Our BPS calculations found that the estimated SN Ia birthrates for the WD+ MS channel are similar to 0.009-0.315 x 10(-3) yr(-1) if we adopt the Eddington accretion rate as the critical accretion rate. These rates are much lower than those of the observations (< 10% of the observed SN Ia birthrates). This indicates that the WD+ MS channel only contributes a small portion of all SNe Ia. The birthrates in this simulation are lower than those of previous studies, the main reason for which is that new mass-accumulation efficiencies of H-shell flashes are adopted. We also found that the critical mass-accretion rate has significant influence on the birthrates of SNe Ia. Meanwhile, the results of our BPS calculations are sensitive to the values of the common-envelope ejection efficiency.

资助项目National Basic Research Program of China (973 program)[2014CB845700] ; National Natural Science Foundation of China[11322327] ; National Natural Science Foundation of China[11390374] ; National Natural Science Foundation of China[U1331117] ; Chinese Academy of Sciences[XDB09010202] ; Natural Science Foundation of Yunnan Province[2013FB083] ; Natural Science Foundation of Yunnan Province[2013HB097]
项目资助者National Basic Research Program of China (973 program)[2014CB845700] ; National Natural Science Foundation of China[11322327, 11390374, U1331117] ; Chinese Academy of Sciences[XDB09010202] ; Natural Science Foundation of Yunnan Province[2013FB083, 2013HB097]
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星形成与演化
学科门类理学 ; 理学::天文学
文章类型Article
出版者EDP SCIENCES S A
出版地17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
ISSN0004-6361
URL查看原文
归档日期2015-05-11
WOS记录号WOS:000357274600021
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ACCRETING WHITE-DWARFS ; X-RAY SOURCES ; COMMON-ENVELOPE BINARIES ; DELAY-TIME DISTRIBUTION ; SINGLE-DEGENERATE CHANNEL ; PLANETARY-NEBULAE ; EVOLUTION MODELS ; COMPANION STARS ; NOVA OUTBURSTS ; SN PROGENITORS
EI入藏号20151500731783
EI主题词Supernovae
EI分类号657.2Extraterrestrial Physics and Stellar Phenomena - 913.1Production Engineering
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/4598
专题大样本恒星演化研究组
中国科学院天体结构与演化重点实验室
通讯作者Wang B(王博)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, 650026 Kunming, PR China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650026 Kunming, PR China
3.Argelander-Institut für Astronomie, Auf dem Hügel 71, 53121 Bonn, Germany
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
推荐引用方式
GB/T 7714
Wang B,Ma X,Liu DD,et al. Super-Eddington wind scenario for the progenitors of type Ia supernovae: binary population synthesis calculations[J]. ASTRONOMY & ASTROPHYSICS,2015,576.
APA Wang B.,Ma X.,Liu DD.,Liu, ZW.,Wu CY.,...&Han ZW.(2015).Super-Eddington wind scenario for the progenitors of type Ia supernovae: binary population synthesis calculations.ASTRONOMY & ASTROPHYSICS,576.
MLA Wang B,et al."Super-Eddington wind scenario for the progenitors of type Ia supernovae: binary population synthesis calculations".ASTRONOMY & ASTROPHYSICS 576(2015).
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