The first K2 roAp star: HD 24355 pulsating in a distorted quadruploe mode Daniel L. Holdsworth, Donald W. Kurtz, Barry Smalley, Hideyuki Saio, Gerald Handler, Simon J. Murphy and Holger Lehmann EPJ Web Conf., 160 (2017) 03004 Published online: 27 October 2017 DOI: 10.1051/epjconf/201716003004