TY - JOUR AU - Caballero, J. A. AU - Montes Gutiérrez, David PY - 2020 DO - 10.1051/0004-6361/201937175 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/6289 T2 - Astronomy & Astrophysics AB - Context. HD 209458 b is an exoplanet with an upper atmosphere undergoing blow-off escape that has mainly been studied using measurements of the Lyα absorption. Recently, high-resolution measurements of absorption in the He I triplet line at 10 830 Å... LA - eng PB - EDP Sciencies KW - Escaping atmosphere KW - Mass-loss KW - 2S-3 KW - Hydrogen KW - Helium KW - Photoionization KW - Exosphere KW - Emission KW - Dynamics KW - Aeronomy TI - Modelling the HeI triplet absorption at 10 830 angstrom in the atmosphere of HD 209458 b TY - journal article VL - 636 ER -