Mon. Not. R. Astron. Soc. 416, 501–508 (2011) doi:10.1111/j.1365-2966.2011.19062.x
Two O2 If*/WN6 stars possibly ejected from the massive young Galactic cluster Westerlund 2
Mon. Not. R. Astron. Soc. 416, 501–508 (2011) doi:10.1111/j.1365-2966.2011.19062.x
Two O2 If*/WN6 stars possibly ejected from the massive young Galactic cluster Westerlund 2