Yael Naze, Xiao Che, Nick L. J. Cox, Jose H. Groh, Martin Guerrero, Pierre Kervella, Chien-De Lee, Mikako Matsuura, M. Sally Oey, Guy S. Stringfellow, Stephanie Wachter
The last part of SpS5 dealt with the circumstellar environment. Structures are indeed found around several types of massive stars, such as blue and red supergiants, as well as WRs and LBVs. As shown in the last years, the potential of IR for their study is twofold: first, IR can help discover many previously unknown nebulae, leading to the identification of new massive stars as their progenitors; second, IR can help characterize the nebular features. Current and new IR facilities thus pave the way to a better understanding of the feedback from massive stars.
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http://arxiv.org/abs/1210.3986
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