Presupernova Evolution of Massive Single and Binary Stars
Presupernova Evolution of Massive Single and Binary Stars
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DOI：
10.1146/annurev-astro-081811-125534
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发表时间：
2012-06
影响因子：
33.3
通讯作者：
N. Langer
中科院分区：
文献类型：
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作者：
N. Langer
了解大质量恒星对于天文学的各个分支都是必不可少的，包括星系和星星团的演化，核合成和超新星，恒星和黑洞。很明显，大质量星星的演化是非常多样的，对金属丰度、双星、自转和可能的磁场都很敏感。虽然获得一个良好的统计观测数据库的问题是缓解目前的大型光谱调查，它仍然是一个挑战，以模拟这些不同的路径的大质量恒星走向他们的暴力结束阶段。我表明，主序阶段提供了最好的机会来衡量各种可能的进化情景的相关性。这也允许描绘大质量恒星的后主序星演化，沃尔夫-拉叶星的观测提供了重要的线索。最近的超新星发现，由于目前在瞬态搜索的推动允许与超新星类型，包括对不稳定超新星的祖先模型的初步映射。
Understanding massive stars is essential for a variety of branches of astronomy including galaxy and star cluster evolution, nucleosynthesis and supernovae, pulsars, and black holes. It has become evident that massive star evolution is very diverse, being sensitive to metallicity, binarity, rotation, and possibly magnetic fields. Although the problem to obtain a good statistical observational database is alleviated by current large spectroscopic surveys, it remains a challenge to model these diverse paths of massive stars toward their violent end stage. I show that the main sequence stage offers the best opportunity to gauge the relevance of the various possible evolutionary scenarios. This also allows sketching the post-main-sequence evolution of massive stars, for which observations of Wolf-Rayet stars give essential clues. Recent supernova discoveries owing to the current boost in transient searches allow tentative mappings of progenitor models with supernova types, including pair-instability supernova...