Detectability of biosignatures on LHS 1140 b Fabian Wunderlich, Markus Scheucher, John Lee Grenfell, Franz Schreier, Clara Sousa-Silva, Mareike Godolt and Heike Rauer A&A, 647 (2021) A48 Published online: 05 March 2021 DOI: 10.1051/0004-6361/202039663