Disentangling the AGN and star formation connection using XMM-Newton V. A. Masoura, G. Mountrichas, I. Georgantopoulos, A. Ruiz, G. Magdis and M. Plionis A&A, 618 (2018) A31 Published online: 09 October 2018 DOI: 10.1051/0004-6361/201833397