The molecular and dusty composition of Betelgeuse's inner circumstellar environment

@article{Perrin2007TheMA,
  title={The molecular and dusty composition of Betelgeuse's inner circumstellar environment},
  author={G. Perrin and T. Verhoelst and S. Ridgway and J. Cami and Q. N. Nguyen and O. Chesneau and B. Lopez and C. Leinert and A. Richichi},
  journal={Astronomy and Astrophysics},
  year={2007},
  volume={474},
  pages={599-608}
}
Context. The study of the atmosphere of red supergiant stars in general and of Betelgeuse (α Orionis) in particular is of prime importance to understand dust formation and how mass is lost to the interstellar medium in evolved massive stars. Aims. A molecular shell, the MOLsphere (Tsuji, 2000a), in the atmosphere of Betelgeuse has been proposed to account for the nearand mid-infrared spectroscopic observations of Betelgeuse. The goal is to further test this hypothesis and to identify some of… Expand
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