Potential binary supermassive black holes in Markarian 231 as a scientific case for the spectropolarimeter POLLUX

Biedermann. J, Marin. F, Neiner. C +1

It is now widely accepted that a supermassive black hole (SMBH) resides in the core of nearly every galaxy. Within the context of mergers of galaxies, the central SMBHs from each s…