Massive pre-main-sequence stars in M17 - Modelling hydrogen and dust in MYSO disks F. Backs, J. Poorta, Ch. Rab, A. R. Derkink, A. de Koter, L. Kaper, M. C. Ramírez-Tannus and I. Kamp A&A, 671 (2023) A13 Published online: 28 February 2023 DOI: 10.1051/0004-6361/202244817