报告题目：Testing relativity through stellar orbits around massive black hole

　　报告人：张福鹏 副教授（广州大学）

　　报告人简介：张福鹏，广州大学物理与材料科学学院副教授。中科院国家天文台博士（2013年），北京大学科维理天文所博士后（2013-2015年），中山大学物理与天文学院副研究员（2015-2018年）。主要研究方向为大质量黑洞周围的相对论效应、恒星动力学、引力波并合机制等。

　　摘要：The relativistic motion of stellar objects around a massive black hole (MBH) provide an ideal laboratory to test various relativistic effects in strong field regions of gravity. By using full-relativistic numerical methods, we can obtain the orbits of stellar objects and the propagation of photons around the MBH. In this talk we will introduce our predictions of the constraints of the spin parameter of the Sgr A* (The MBH in our Galatic center) by monitoring the orbital motions of S-stars using future telescopes (e.g., TMT) and pulsars (e.g., SKA). We will also introduce our recent work on the relativistic tests by monitoring the X-ray periodic eruptions due to star-disc collisions in some active galaxies.

　　时间：2021年12月30日星期四10:30

　　地点：紫台3号楼201会议室

欢迎大家参加！