How to identify the object with mass range of $(2.2-3)M_{\odot }$ in the merger of compact star systems

ZhaoWei Du, HouJun Lü, Xiaoxuan Liu +2

High-frequency gravitational-wave (GW) radiation has been detected by LIGO-Virgo-KAGRA in the merger of compact stars. However, two GW events, GW190814 and GW200210, the mass of on…