Dynamics of the galactic component of Abell S1063 and MACS J1206.2−0847 G. Ferrami, G. Bertin, C. Grillo, A. Mercurio and P. Rosati A&A, 676 (2023) A66 Published online: 08 August 2023 DOI: 10.1051/0004-6361/202346226