Constraints on the magnetic field in the intercluster bridge A399–A401 M. Balboni, A. Bonafede, G. Bernardi, D. Wittor, F. Vazza, A. Botteon, E. Carretti, T. Shimwell, V. Vacca and R. J. van Weeren A&A, 679 (2023) A107 Published online: 29 November 2023 DOI: 10.1051/0004-6361/202346303