The X-ray Emission of γ Cassiopeiae During the 2020–2021 disc eruption G. Rauw, Y. Nazé, C. Motch, M. A. Smith, J. Guarro Fló and R. Lopes de Oliveira A&A, 664 (2022) A184 Published online: 30 August 2022 DOI: 10.1051/0004-6361/202243679