The mass of β Pictoris c from β Pictoris b orbital motion S. Lacour, J. J. Wang, L. Rodet, M. Nowak, J. Shangguan, H. Beust, A.-M. Lagrange, R. Abuter, A. Amorim, R. Asensio-Torres et al. (89 more) A&A, 654 (2021) L2 Published online: 08 October 2021 DOI: 10.1051/0004-6361/202141889