Binarity of transit host stars - Implications for planetary parameters S. Daemgen, F. Hormuth, W. Brandner, C. Bergfors, M. Janson, S. Hippler and T. Henning A&A, 498 2 (2009) 567-574 Published online: 11 March 2009 DOI: 10.1051/0004-6361/200810988