Spectral evolution of the supergiant HMXB IGR J16320–4751 along its orbit using XMM-Newton Federico García, Federico A. Fogantini, Sylvain Chaty and Jorge A. Combi A&A, 618 (2018) A61 Published online: 12 October 2018 DOI: 10.1051/0004-6361/201833365