Apsidal motion in the massive binary HD 152218 G. Rauw, S. Rosu, A. Noels, L. Mahy, J. H. M. M. Schmitt, M. Godart, M.-A. Dupret and E. Gosset A&A, 594 (2016) A33 Published online: 06 October 2016 DOI: 10.1051/0004-6361/201628766