The velocity field of the Lyra complex M. Girardi, W. Boschin, S. De Grandi, M. Longhetti, S. Clavico, D. Eckert, F. Gastaldello, S. Ghizzardi, M. Nonino and M. Rossetti A&A, 633 (2020) A108 Published online: 20 January 2020 DOI: 10.1051/0004-6361/201936466