Amorphous alumina in the extended atmosphere of alpha Orionis

@article{Verhoelst2006AmorphousAI,
  title={Amorphous alumina in the extended atmosphere of alpha Orionis},
  author={T. Verhoelst and L. Decin and R. V. Malderen and S. Hony and J. Cami and K. Eriksson and G. Perrin and P. Deroo and B. Vandenbussche and L. Waters},
  journal={Astronomy and Astrophysics},
  year={2006},
  volume={447},
  pages={311-324}
}
In this paper we study the extended atmosphere of the late-type supergiant alpha Orionis. Infrared spectroscopy of red supergiants reveals strong molecular bands, some of which do not originate in the photosphere but in a cooler layer of molecular material above it. Lately, these layers have been spatially resolved by near and mid-IR interferometry. In this paper, we try to reconcile the IR interferometric and ISO-SWS spectroscopic results on alpha Orionis with a thorough modelling of the… Expand
Amorphous alumina in the extended atmosphere of α Orionis
The molecular and dusty composition of Betelgeuse's inner circumstellar environment
High Resolution Radio and IR Observations of AGB Stars
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