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“丝路天文“讲坛第十一讲:Supermassive Black Holes Impact: on Galaxy Formation and Evolution
2017-12-14 15:29:00| 【 【打印】【关闭】

  报告题目:Supermassive Black Holes: Impact on Galaxy Formation and Evolution

主讲嘉宾:Luis C. HoKavli Institute for Astronomy and Astrophysics, Peking University

  要:Supermassive black holes, weighing between millions to billions times the mass of the Sun, are believed to power quasars and other energetic activity in the centers of galaxies.  With the help of advanced telescopes from the ground and in space, operating across the electromagnetic spectrum, astronomers have now discovered that supermassive black holes not only exist, but that they are very common and play a critical role in the formation and evolution of galaxies in the Universe.  A class of intermediate-mass black holes has also been found.  These "seeds" help us understand the formation and growth of supermassive black holes and the origin of quasars in the early Universe.  Mergers of central black holes will produce binary supermassive black holes, which will provide an important source of gravitational wave radiation that can be detected with upcoming experiments, such as Pulsar Timing Array using radio facilities in China.  I describe these recent discoveries, which are among the most important developments in astronomy and astrophysics during the past 20 years.

  报告时间:20171218日(周一) 上午1200

  报告地点:台本部南楼210会议室

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