Study of an active region prominence using spectropolarimetric data in the He I D3 multiplet S. Esteban Pozuelo, A. Asensio Ramos, J. Trujillo Bueno, R. Ramelli, F. Zeuner and M. Bianda A&A, 696 (2025) A109 Published online: 09 April 2025 DOI: 10.1051/0004-6361/202452439