Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies

Romain A. Meyer, Pascal A. Oesch, Callum Witten +7

Supermassive black holes (SMBH, $M_{\mathrm{BH}}>10^8{M}_{\odot }$) powering luminous quasars already exist one billion years after the Big Bang, yet their connection to their star-formi…