Apsidal motion in massive eccentric binaries in NGC 6231 - The case of HD 152219 S. Rosu, G. Rauw, M. Farnir, M.-A. Dupret and A. Noels A&A, 660 (2022) A120 Published online: 22 April 2022 DOI: 10.1051/0004-6361/202141304