My astrophysical research focuses on the following topics:
Supermassive black hole accretion (image credit: NASA). 
Co-evolution of supermassive black holes and their host galaxies (Sun+2015). 
Image credit: astrotweeps 
Image credit: astrotweeps 
A multi-messenger view of black holes (image credit: LIGO, NSF, Aurore Simonnet (Sonoma State U.)). 
An artist image of the X-ray corona, accretion disk and jet acround a supermassive black hole (Image credit: TR’EHNL & Brandt+2017). 
The Corona Heated Accretion disk Reprocessing (CHAR) Model (Sun+2020).