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Rates and delay times of Type Ia supernovae in the helium-enriched main-sequence donor scenario
Liu ZW(柳正伟)1,2,3,4; Stancliffe, Richard J.4; Liu, Zheng-Wei(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-04-01
卷号475期号:4页码:5257-5267
DOI10.1093/mnras/sty172
产权排序第1完成单位
收录类别SCI
关键词Binaries: Close Supernovae: General
摘要The nature of the progenitors of Type Ia supernovae (SNe Ia) remains a mystery. Comparing theoretical rates and delay-time distributions of SNe Ia with those inferred observationally can constrain their progenitor models. In this work, taking thermohaline mixing into account in the helium-enriched main-sequence (HEMS) donor scenario, we address rates and delay times of SNe Ia in this channel by combining the results of self-consistent binary evolution calculations with population synthesis models. We find that the Galactic SN Ia rate from the HEMS donor scenario is around 0.6-1.2 x 10(-3) yr(-1), which is about 30 per cent of the observed rate. Delay times of SNe Ia in this scenario cover a wide range of 0.1-1.0 Gyr. We also present the pre-explosion properties of companion stars in the HEMS donor scenario, which will be helpful for placing constraints on SN Ia progenitors through analysing their pre-explosion images.
项目资助者Alexander von Humboldt Foundation
语种英语
学科领域天文学
文章类型Article
ISSN0035-8711
URL查看原文
WOS记录号WOS:000428835700067
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]REVERSE DETONATION MODELS ; CORE-DEGENERATE SCENARIO ; MASS-RATIO DISTRIBUTION ; DOUBLE WHITE-DWARFS ; METAL-POOR STARS ; EXPLOSION MODELS ; COMMON-ENVELOPE ; BINARY-SYSTEMS ; SPECTROSCOPIC BINARIES ; CIRCUMSTELLAR MATERIAL
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12213
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Liu, Zheng-Wei(Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences (CAS), Kunming 650216, P.R. China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, P.R. China
3.Center for Astronomical Mega-Science, CAS, Beijing 100012, P.R. China
4.Argelander-Institut fur Astronomie, Auf dem H ¨ ugel 71, D-53121 Bonn, Germany
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Liu ZW,Stancliffe, Richard J.,Liu, Zheng-Wei. Rates and delay times of Type Ia supernovae in the helium-enriched main-sequence donor scenario[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,475(4):5257-5267.
APA Liu ZW,Stancliffe, Richard J.,&Liu, Zheng-Wei.(2018).Rates and delay times of Type Ia supernovae in the helium-enriched main-sequence donor scenario.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,475(4),5257-5267.
MLA Liu ZW,et al."Rates and delay times of Type Ia supernovae in the helium-enriched main-sequence donor scenario".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 475.4(2018):5257-5267.
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