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arXiv 0708.0972astro-ph
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用Radioactive Decay γ射线和X射线探测超新星爆发机制

Probing the Explosion Mechanism of Supernovae by Radioactive Decay Gamma- and X-Rays

Keiichi Maeda

摘要:

放射性衰变产生的伽马射线和X射线为研究超新星爆炸物理学提供了一个潜在的强大工具,因为放射性同位素的分布和数量强烈依赖于爆炸的性质。在本文中,这些高能量排放的预期功能提出了双极射流诱发爆炸模型,这是最近非常活跃的超新星,甚至为典型的Ib/c型超新星青睐。它表明,各种观察的组合,即,线-连续比、光电吸收截止能量、线轮廓和光度允许对爆炸能量、放射性56 Ni的量、爆炸几何形状、甚至观察方向进行独特的确定。

英文摘要:

Gamma- and X-rays resulting from radioactive decays provide a potentially powerful tool to investigate the explosion physics of supernovae, since the distribution and the amount of radioactive isotopes are strongly dependent on properties of the explosion. In this paper, expected features of these high energy emissions are presented for bipolar jet-induced explosion models, which are recently favored for very energetic supernovae and even for typical Type Ib/c supernovae. It is shown that combination of various observations, i.e., line-to-continuum ratio, photoelectric absorption cut-off energy, line profiles and luminosities, allows the unique determination of the explosion energy, the amount of radioactive 56Ni, the explosion geometry, and even the viewing orientation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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