Mapping the “invisible” circumgalactic medium around a z ∼ 4.5 radio galaxy with MUSE Wuji Wang, Dominika Wylezalek, Carlos De Breuck, Joël Vernet, Andrew Humphrey, Montserrat Villar Martín, Matthew D. Lehnert and Sthabile Kolwa A&A, 654 (2021) A88 Published online: 19 October 2021 DOI: 10.1051/0004-6361/202141558