Clumping and X-rays in cooler B supergiant stars M. Bernini-Peron, W. L. F. Marcolino, A. A. C. Sander, J.-C. Bouret, V. Ramachandran, J. Saling, F. R. N. Schneider, L. M. Oskinova and F. Najarro A&A, 677 (2023) A50 Published online: 05 September 2023 DOI: 10.1051/0004-6361/202346469