14 papers
Probing an Intermediate-Mass Black Hole Companion of Sagittarius A* with Pulsar Timing
Zexin Hu, Lijing Shao
An intermediate-mass black hole (IMBH) hidden in our Galactic Center (GC) may explain the puzzling observations of the stellar distribution around Sagittarius A* (Sgr A*), the supe…
Galactic Centre Pulsars with the SKAO
F. Abbate, A. Carleo, S. Chatterjee +18
The detection of a pulsar closely orbiting our Galaxy's supermassive black hole - Sagittarius~A* - is one of the ultimate prizes in pulsar astrophysics. The relativistic effects ex…
Testing Gravity with Binary Pulsars in the SKA Era
V. Venkatraman Krishnan, L. Shao, V. Balakrishnan +21
Binary (and trinary) radio pulsars are natural laboratories in space for understanding gravity in the strong field regime, with many unique and precise tests carried out so far, in…
Granular mass perturbations on the pulsar - supermassive black hole system
Zexin Hu, Lijing Shao
Discovery and timing observations of a radio pulsar orbiting around Sagittarius A*, the supermassive black hole (SMBH) in our Galactic Centre (GC), will provide unprecedented oppor…
A Realistic Pulsar -- Supermassive Black Hole Timing Model
Zexin Hu, Ziming Wang, Lijing Shao
Timing observation of pulsars orbiting around a supermassive black hole (SMBH) can measure the spacetime around the SMBH to a high precision and thus be a novel probe of the gravit…
Linear analysis of I-C-Love universal relations for neutron stars
Zexin Hu, Yong Gao, Lijing Shao
Neutron stars (NSs) are excellent laboratories for testing gravity theories as they are strongly self-gravitating bodies and have rich observational phenomena. However, strong-fiel…