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题名:
The relation between the critical accretion rate of progenitors of SNe Ia and metallicity
作者: Meng XC(孟祥存)1,2; Chen XF(陈雪飞)1,2; Tout, CA3,4; Han ZW(韩占文)1
刊名: CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
出版日期: 2006
卷号: 6, 期号:4, 页码:461-469
DOI: 10.1088/1009-9271/6/4/09
学科分类: Astronomy & Astrophysics
产权排序: 第1完成单位
收录类别: SCI
通讯作者: Meng, XC (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
关键词: stars : evolution ; star : AGB ; star : supernova : general
英文摘要: A carbon-oxygen white dwarf may explode in a Type Ia supernova by accreting matter from its companion via either Roche lobe overflow or from winds, but there exists a critical accretion rate of the progenitor system for the explosion. We study the relation between the critical accretion rate and the metallicity via an AGB star approach. The result indicates that the critical accretion rate depends not only on the hydrogen mass fraction and the white dwarf mass, but also on the metallicity. The effect of the metallicity is smaller than that of the white dwarf mass. We show that it is reasonable to use the model with stellar mass 1.6 M-. for real white dwarfs.
语种: 英语
原文出处: 查看原文
ISSN号: 1009-9271
文章类型: Article
归档日期: 2006-08-10
WOS标题词: Science & Technology ; Physical Sciences
研究领域[WOS]: Astronomy & Astrophysics
类目[WOS]: Astronomy & Astrophysics
关键词[WOS]: ASYMPTOTIC GIANT BRANCH ; WHITE-DWARF MODELS ; HIGH-REDSHIFT SUPERNOVAE ; STELLAR EVOLUTION ; LUMINOSITY-RELATION ; RECURRENT NOVA ; BURNING STARS ; SYSTEMS ; BINARIES ; CHANNEL
WOS记录号: WOS:000239902800009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ynao.ac.cn/handle/114a53/4433
Appears in Collections:大样本恒星演化研究组_期刊论文

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作者单位: 1.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
2.Graduate School of Chinese Academy of Sciences, Beijing 100049
3.Institute of Astronomy, The Observatories, Madingley Road, Cambridge CB3 0HA, England
4.Centre for Stellar and Planetary Astrophysics, School of Mathematics, Monash University, Clayton, Victoria 3800, Australia

Recommended Citation:
Meng XC,Chen XF,Tout, CA,et al. The relation between the critical accretion rate of progenitors of SNe Ia and metallicity[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(4):461-469.
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文件名: The Relation between the Critical Accretion Rate of Progenitors of SNe Ia and Metallicity.pdf
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