Progenitors of type ia supernovae: Circumstellar interaction, rotation, and steady hydrogen burning

被引：0

作者：

Nomoto, K ^{[1
]}

Suzuki, T ^{[1
]}

Deng, JS ^{[1
]}

Uenishi, T ^{[1
]}

Hachisu, I ^{[1
]}

机构：

[1] Univ Tokyo, Sch Sci, Dept Astron, Bunkyo Ku, Tokyo 1130033, Japan

来源：

1604-2004: SUPERNOVAE AS COSMOLOGICAL LIGHTHOUSES | 2005年 / 342卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Among the important issues in identifying the progenitor system of Type Ia supernovae (SNe Ia), we focus mostly on circumstellar interaction in SN 2002ic, and give brief discussion on the controversial issues of the effects of rotation in merging double degenerates and steady hydrogen shell burning in accreting white dwarfs. SN 2002ic is a unique supernova which shows the typical spectral features of SNe Ia near maximum light, but also apparent hydrogen features that have been absent in SNe Ia. Based on the hydrodynamical models of circumstellar interaction in SN Ia, we suggest that circumstellar medium is aspherical (or highly clumpy) and contains similar to 1.3M(circle dot). Possible progenitor systems of SN 2002ic are discussed.

引用

页码：105 / 114

页数：10

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