CS Cha B: A disc-obscured M-type star mimicking a polarised planetary companion S. Y. Haffert, R. G. van Holstein, C. Ginski, J. Brinchmann, I. A. G. Snellen, J. Milli, T. Stolker, C. U. Keller and J. Girard A&A, 640 (2020) L12 Published online: 06 August 2020 DOI: 10.1051/0004-6361/202038706