An XMM-Newton observation of the massive binary HD 159176 M. De Becker, G. Rauw, J. M. Pittard, I. I. Antokhin, I. R. Stevens, E. Gosset and S. P. Owocki A&A, 416 1 (2004) 221-233 Published online: 26 February 2004 DOI: 10.1051/0004-6361:20031710