Multi-scale magnetic field investigation of the M-dwarf eclipsing binary CU CancriA. Hahlin, O. Kochukhov, A. D. Rains, J. Morin, G. Hussain, L. Hebb and K. StassunA&A, 684 (2024) A175DOI: https://doi.org/10.1051/0004-6361/202348750