Warm water vapor envelope in the supergiants α Ori and α Her and its effects on the apparent size from the near-infrared to the mid-infrared

@article{Ohnaka2004WarmWV,
  title={Warm water vapor envelope in the supergiants $\alpha$ Ori and $\alpha$ Her and its effects on the apparent size from the near-infrared to the mid-infrared},
  author={K. Ohnaka},
  journal={Astronomy and Astrophysics},
  year={2004},
  volume={421},
  pages={1149-1158}
}
  • K. Ohnaka
  • Published 2004
  • Physics, Materials Science
  • Astronomy and Astrophysics
We present a possible interpretation for the increase of the angular diameter of the supergiants α Ori  (M 1-2 Ia-Ibe) and α Her (M 5 Ib-II) from the K band to the 11 μ m region and the high-resolution 11 μ m spectra without any salient spectral features revealed by Weiner et al. ([CITE]). The angular diameters as well as the high-resolution spectra of α Ori and α Her obtained in the 11 μ m region can be reproduced by a warm water vapor envelope, whose presence in α Ori was revealed by Tsuji… Expand

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