Transit timing analysis of the exoplanets TrES-1 and TrES-2 M. Rabus, H. J. Deeg, R. Alonso, J. A. Belmonte and J. M. Almenara A&A, 508 2 (2009) 1011-1020 Published online: 15 October 2009 DOI: 10.1051/0004-6361/200912252