Orbital motion near Sagittarius A* - Constraints from polarimetric ALMA observations M. Wielgus, M. Moscibrodzka, J. Vos, Z. Gelles, I. Martí-Vidal, J. Farah, N. Marchili, C. Goddi and H. Messias A&A, 665 (2022) L6 Published online: 22 September 2022 DOI: 10.1051/0004-6361/202244493