Exploring the faint limit of the ESA Plato space mission. A case study of extragalactic research with the self-lensing supermassive black hole binary candidate, Spikey
The search for supermassive black hole (SMBH) binaries has, in recent years, seen the dawn of exploration with several hundred candidates claimed from photometric and spectroscopic surveys monitoring active galactic nuclei (AGNs). While only a select number persist to date, the advent of upcoming high-precision wide-fi...