The Murmur of The Hidden Monster: Chandra's Decadal View of The Super-massive Black Hole in M31

Zhiyuan Li, Michael R. Garcia, William R. Forman +5

The Andromeda galaxy (M31) hosts a central super-massive black hole (SMBH), known as M31${}^{\ast }$, which is remarkable for its mass ($\sim$$10^8{\mathrm{M}}_{\odot }$) and extreme radiative…