X-ray view of dissipative warm corona in active galactic nuclei B. Palit, A. Różańska, P. O. Petrucci, D. Gronkiewicz, S. Barnier, S. Bianchi, D. R. Ballantyne, V. E. Gianolli, R. Middei, R. Belmont and F. Ursini A&A, 690 (2024) A308 Published online: 17 October 2024 DOI: 10.1051/0004-6361/202450111