Erratum to: A survey of hot subdwarf pulsators in ω Cen S.K. Randall, 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) 04009 Published online: 26 April 2013 DOI: 10.1051/epjconf/20134304009