Insights on the dynamical history of the Fomalhaut system - Investigating the Fom c hypothesis V. Faramaz, H. Beust, J.-C. Augereau, P. Kalas and J. R. Graham A&A, 573 (2015) A87 Published online: 23 December 2014 DOI: 10.1051/0004-6361/201424691