Orbit and atmosphere of HIP 99770 b through the eyes of VLTI/GRAVITY T. O. Winterhalder, J. Kammerer, S. Lacour, A. Mérand, M. Nowak, T. Stolker, W. O. Balmer, G.-D. Marleau, R. Abuter, A. Amorim et al. (84 more) A&A, 700 (2025) A4 Published online: 28 July 2025 DOI: 10.1051/0004-6361/202554766