The defocused observations of bright sources with Athena/X-IFU E. S. Kammoun, D. Barret, P. Peille, R. Willingale, T. Dauser, J. Wilms, M. Guainazzi and J. M. Miller A&A, 664 (2022) A29 Published online: 03 August 2022 DOI: 10.1051/0004-6361/202243606