Modeling the Lyα transit absorption of the hot Jupiter HD 189733b P. Odert, N. V. Erkaev, K. G. Kislyakova, H. Lammer, A. V. Mezentsev, V. A. Ivanov, L. Fossati, M. Leitzinger, D. Kubyshkina and M. Holmström A&A, 638 (2020) A49 Published online: 10 June 2020 DOI: 10.1051/0004-6361/201834814