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The relation between the critical accretion rate of progenitors of SNe Ia and metallicity
Meng XC(孟祥存)1,2; Chen XF(陈雪飞)1,2; Tout, CA3,4; Han ZW(韩占文)1; Meng, XC (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
2006
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
ISSN1009-9271
卷号6期号:4页码:461-469
产权排序第1完成单位
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.
关键词Stars : Evolution Star : Agb Star : Supernova : General
学科领域Astronomy & Astrophysics
DOI10.1088/1009-9271/6/4/09
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收录类别SCI
语种英语
文章类型Article
WOS研究方向Astronomy & Astrophysics
归档日期2006-08-10
WOS标题词Science & Technology ; Physical Sciences
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000239902800009
关键词[WOS]ASYMPTOTIC GIANT BRANCH ; WHITE-DWARF MODELS ; HIGH-REDSHIFT SUPERNOVAE ; STELLAR EVOLUTION ; LUMINOSITY-RELATION ; RECURRENT NOVA ; BURNING STARS ; SYSTEMS ; BINARIES ; CHANNEL
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/4433
专题大样本恒星演化研究组
通讯作者Meng, XC (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
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
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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.
APA Meng XC,Chen XF,Tout, CA,Han ZW,&Meng, XC .(2006).The relation between the critical accretion rate of progenitors of SNe Ia and metallicity.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(4),461-469.
MLA Meng XC,et al."The relation between the critical accretion rate of progenitors of SNe Ia and metallicity".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.4(2006):461-469.
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