Title: Gravitational Wave Astronomy on the Short and Long Timescales

Speaker: Dr. Xingjiang Zhu (Advanced Institute of National Sciences at Beijing Normal University, Zhuhai)

Time: 10:30am, July 16, 2021

Location: 3-302, PMO Xianlin Campus

Abstract: Gravitational wave astronomy is revolutionizing our understanding of the Universe. Since the historic discovery of GW150914 in 2015, LIGO and Virgo 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 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 progress and future prospects of gravitational waves 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.