Correcting for background changes in CoRoT exoplanet data R. Drummond, V. Lapeyrere, M. Auvergne, B. Vandenbussche, C. Aerts, R. Samadi and J. E. S. Costa A&A, 487 3 (2008) 1209-1220 Published online: 01 July 2008 DOI: 10.1051/0004-6361:200809639