X-raying stellar winds in a high-speed collision

Based on the article "The 2.35 year itch of Cygnus OB2 #9 - I. Optical and X-ray monitoring", by Y. Nazé et al.
Published in Astronomy & Astrophysics, 2012, vol. 546, A37
Based on the article "The 2.35 year itch of Cygnus OB2 #9 - I. Optical and X-ray monitoring", by Y. Nazé et al.
Published in Astronomy & Astrophysics, 2012, vol. 546, A37