New constraints on the magnetic field in cosmic web filaments N. Locatelli, F. Vazza, A. Bonafede, S. Banfi, G. Bernardi, C. Gheller, A. Botteon and T. Shimwell A&A, 652 (2021) A80 Published online: 13 August 2021 DOI: 10.1051/0004-6361/202140526