Ibn型超新星SN 2010al:爆炸前半年的巨大质量损失

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-10-20 DOI:10.1134/S1063773722030033

N. N. Chugai

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引用次数: 0

摘要

对Ibn型超新星SN 2010al进行了探索，以推断超新星和星周壳的参数。CS相互作用模型与4600的光谱模型相结合 Åblend表明WR恒星的爆炸能量为\（1{-}1.5)\乘以10^｛51｝\）｛\sim｝0.1M_｛\dodot｝｝质量和动能为｛\sam｝10^｛48｝的稠密受限CS壳内的erg erg。密闭CS外壳是在堆芯坍塌前的最后0.4年内形成的。

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Type Ibn Supernova SN 2010al: Powerful Mass Loss Half Year Prior to the Explosion

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Type Ibn Supernova SN 2010al: Powerful Mass Loss Half Year Prior to the Explosion

Type Ibn supernova SN 2010al is explored to infer parameters of supernova and a circumstellar (CS) shell. The CS interaction model combined with the spectral model of 4600 Å blend suggests the explosion of a WR star with the energy of \((1{-}1.5)\times 10^{51}\) erg inside a dense confined CS shell with the mass of \({\sim}0.1M_{\odot}\) and kinetic energy of \({\sim}10^{48}\) erg. The confined CS shell has been formed during the last 0.4 yr prior to the core collapse.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.