The height of convective plumes in the red supergiant μ Cep A. López Ariste, M. Wavasseur, Ph. Mathias, A. Lèbre, B. Tessore and S. Georgiev A&A, 670 (2023) A62 Published online: 08 February 2023 DOI: 10.1051/0004-6361/202244285