Role of the impact parameter in exoplanet transmission spectroscopy X. Alexoudi, M. Mallonn, E. Keles, K. Poppenhäger, C. von Essen and K. G. Strassmeier A&A, 640 (2020) A134 Published online: 27 August 2020 DOI: 10.1051/0004-6361/202038080