Search for pulsation among suspected A-type binaries and the new multiperiodic δ Scuti star HD 217860
Y. Frémat, P. Lampens, P. Van Cauteren, S. Kleidis, K. Gazeas, P. Niarchos, C. Neiner, D. Dimitrov, J. Cuypers, J. Montalbán, P. De Cat and C. W. Robertson