A survey of hot subdwarf pulsators in ω Cen S.K. Randal, A. Calamida, G. Fontaine, E.M. Green, M. Monelli, M.L. Alonso, M. Catelan, G. Bono, V.S. Dhillon and T.R. Marsh EPJ Web of Conferences, 43 (2013) 04006 Published online: 21 March 2013 DOI: 10.1051/epjconf/20134304006