No variations in transit times for Qatar-1 b G. Maciejewski, M. Fernández, F. J. Aceituno, J. Ohlert, D. Puchalski, D. Dimitrov, M. Seeliger, M. Kitze, St. Raetz, R. Errmann et al. (4 more) A&A, 577 (2015) A109 Published online: 12 May 2015 DOI: 10.1051/0004-6361/201526031