Suzaku broad-band observations of the Seyfert 1 galaxies Mrk 509 and Mrk 841 M. Cerruti, G. Ponti, C. Boisson, E. Costantini, A. L. Longinotti, G. Matt, M. Mouchet and P. O. Petrucci A&A, 535 (2011) A113 Published online: 21 November 2011 DOI: 10.1051/0004-6361/201116444