Massive Stellar Evolution, Supernovae and Nucleosynthesis

大规模恒星演化、超新星和核合成

• 批准号: 9115367
• 负责人: Stanford Woosley
• 金额: $ 31.55万
• 依托单位: University of California-Santa Cruz
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-01-01 至 1996-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9115367&HistoricalAwards=false
• 关键词: Massive; Stellar; Evolution; Supernovae; Nucleosynthesis

The constituents of many abundant elements on the Earth, including those composing our own bodies, are manufactured during the brief explosion stage of a massive star known as a supernova. The Principal Investigator proposes to continue his theoretical work on the advanced stages of evolution of stars, including several aspects of supernova explosion. His previous work has been pivotal in the past to an understanding of the explosion of the Supernova 1987a from a blue supergiant progenitor. The continuation of his study will focus on providing the astronomical community with evolutionary models of stellar structure, of improving the physics of semiconvection and diffusion on which these models have been based, on treating the explosion of a supernova as a problem in the well-understood context of stellar winds, and on improving the "rapid"-process rates of nucleosynthetic reactions.

地球上许多丰富元素的组成，包括 那些组成我们自己身体的东西，是在短暂的时间里制造出来的。 大质量星星的爆炸阶段，也就是超新星。 的 首席研究员建议继续他的理论工作 关于恒星演化的高级阶段，包括几个 超新星爆发的一个方面。 他之前的工作对 对超新星爆炸的理解 1987年a来自蓝超巨星的前身。他继续进行他的 这项研究的重点是为天文学界提供 恒星结构的演化模型， 这些模型所依据的对流和扩散 基于将超新星爆炸视为 众所周知的恒星风背景，以及改进 核合成反应的“快速”过程速率。