学术交流

朱兴江博士应邀为墨尔本大学物理系做“引力波天文学”报告

2021-06-04

  

       2021年6月2日上午10-11时,引力波与宇宙学实验室特聘研究员朱兴江博士应组织者(Dr. Yuxiang Qin)的邀请,为澳大利亚墨尔本大学(The University of Melbourne)物理系的天体物理报告会(Astrophysics Colloquia)作题为《Gravitational wave astronomy on the short and long timescales》的线上专题学术报告

  报告开始,朱兴江博士首先简要介绍了北京师范大学及其天文学科的历史和北京师范大学珠海校区自然科学高等研究院及引力波与宇宙学实验室的情况。随后就当前引力波天文学的两大前沿领域——基于LIGO等激光干涉仪引力波探测器的高频引力波发现和利用脉冲星计时阵观测探测纳赫兹引力波——进行了系统地述评与展望。墨尔本大学物理系20余名师生参加了线上报告会。

 

      

Credit: Karan Jani/Georgia Tech

 

  附:学术报告英文摘要

  Gravitational wave astronomy is revolutionizing our understanding of the Universe. Since the historic discovery of GW150914 five years ago, LIGO and Virgo detectors have discovered 50 compact binary merger events. These merger events, lasting from fractions of seconds to minutes, include stellar-mass binary black holes, binary neutron stars and likely neutron star-black hole binaries. Meanwhile, pulsar timing arrays have been used to search for gravitational waves with periods of years to decades. After several decades of international efforts, it is believed that we are approaching the sensitivity to detect waves from supermassive binary black holes. In this talk, I will summarize recent progresses and future prospects of gravitational wave astronomy on both short and long timescales, with a focus on the study of binary neutron stars and recent results from the Parkes Pulsar Timing Array.

       原文链接:https://astro.physics.unimelb.edu.au/colloquium/