New low-mass members of Chamaeleon I and ϵ Cha K. Kubiak, K. Mužić, I. Sousa, V. Almendros-Abad, R. Köhler and A. Scholz A&A, 650 (2021) A48 Published online: 04 June 2021 DOI: 10.1051/0004-6361/202039899