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Life and death of the most massive stars in the Universe

发布日期:2019-10-08     作者:物理学院      编辑:赵阳     点击:

报告题目:Life and death of the most massive stars in the Universe

报 告 人:Prof. Paul Crowther (University of Sheffield)

报告时间:2019年10月8日(星期二)下午15:00

报告地点:前卫南区 物理楼333报告厅

报告摘要:I will introduce massive stars in the Milky Way and nearby galaxies. These are incredibly rare but have a huge effect on their host galaxies through their radiative, chemical and mechanical feedback, and ultimate fate as core-collapse supernovae. Hydrogen-rich supernovae arise from 8-20 solar mass single massive stars, leaving neutron star remnants, but the origin of hydrogen-deficient supernovae remains controversial, since the majority of stars initially more massive than 20 solar masses are thought to collapse to black holes. I will discuss the important role played by multiplicity, evidence for the existence of Very Massive Stars (>100 Msun) and the significance of compact remnant mergers from gravitational wave observatories LIGO/VIRGO.

主办单位:吉林大学物理学院

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