脈動對不穩定性超新星:連繫大質量黑洞、星周介質與塌星

脈動對不穩定性超新星:連繫大質量黑洞、星周介質與塌星


Seminar:- Pulsation Pair-Instability Supernova: Connection to Massive Black Hole, Circumstellar Medium and Collapsar 

In this talk the speaker will talk in details our recent work on Pulsation Pair-instability Supernova (PPISN). PPISN is the explosion of star with a mass 80 - 140 solar mass. It is a robust candidate of massive black holes (30 - 50 solar mass) as deduced by the gravitational wave signals detected by LIGO and Virgo. It is also one of the sources for the super-luminous supernova in the interaction framework. Therefore, PPISN has an important role in the recent development of astronomy. In this talk, the speaker will report results by following the evolution of PPISN from its He-burning phase until its collapse using the MESA (Modules for Experiments in Stellar Astrophysics) code. He will discuss the diversity of mass loss, its final remnant and pre-collapse observable in the family of PPISN. Then he will discuss the implications of PPISN on the current mass distribution of massive black hole, on the features of super-luminous supernovae and on the formation of collapsar. 
 
時間:2018.06.01(五) 15:30 ~ 16:15
地點:香港中文大學 科學館北座G25室
講者:梁成志 博士 Dr. Shing Chi LEUNG(日本東京大學 國際高等研究所Kavli數物連携宇宙研究機構)
語言:英語

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此活動由香港中文大學物理系主辦。