Thực đơn
Westerlund 2Thực đơn
Westerlund 2Liên quan
Westerlund 1 Westerlund 2 Westerlund 1-26Tài liệu tham khảo
WikiPedia: Westerlund 2 http://adsabs.harvard.edu/abs/1961AJ.....66T..57W http://adsabs.harvard.edu/abs/1991AJ....102..642M http://adsabs.harvard.edu/abs/2007A&A...463..981R http://adsabs.harvard.edu/abs/2007A&A...466..137A http://adsabs.harvard.edu/abs/2013A&A...555A..50C http://adsabs.harvard.edu/abs/2015MNRAS.446.3797H http://adsabs.harvard.edu/abs/2016ApJ...820...26F //arxiv.org/abs/1305.4309 //arxiv.org/abs/1411.0879 //arxiv.org/abs/1504.05391