SOPHIE velocimetry of Kepler transit candidates - II. KOI-428b: a hot Jupiter transiting a subgiant F-starA. Santerne, R. F. Díaz, F. Bouchy, M. Deleuil, C. Moutou, G. Hébrard, A. Eggenberger, D. Ehrenreich, C. Gry and S. UdryA&A, 528 (2011) A63DOI: https://doi.org/10.1051/0004-6361/201015764