A thirty-four billion solar mass black hole in SMSS J2157-3602, the most luminous known quasar
Citation
Onken, C, Bian, F, Fan, X et al. 2020, 'A thirty-four billion solar mass black hole in SMSS J2157-3602, the most luminous known quasar', Monthly Notices of the Royal Astronomical Society, vol. 496, no. 2, pp. 2309-2314.