Velocity dispersion and dynamical mass for 270 galaxy clusters in the Planck PSZ1 catalogueA. Ferragamo, R. Barrena, J. A. Rubiño-Martín, A. Aguado-Barahona, A. Streblyanska, D. Tramonte, R. T. Génova-Santos, A. Hempel and H. LietzenA&A, 655 (2021) A115DOI: https://doi.org/10.1051/0004-6361/202140382