1. Abell 1201: detection of an ultramassive black hole in a strong gravitational lens. Issue 3 (29th March 2023) Authors: Nightingale, J W; Smith, Russell J; He, Qiuhan; O'Riordan, Conor M; Kegerreis, Jacob A; Amvrosiadis, Aristeidis; Edge, Alastair C; Etherington, Amy; Hayes, Richard G; Kelly, Ash; Lucey, John R; Massey, Richard J Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 521:Issue 3(2023) Page Start: 3298 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗