Imaging the spotty surface of Betelgeuse in the H band

@article{Haubois2009ImagingTS,
  title={Imaging the spotty surface of Betelgeuse in the H band},
  author={X. Haubois and G. Perrin and S. Lacour and T. Verhoelst and S. Meimon and L. Mugnier and {\'E}. Thi{\'e}baut and J. Berger and S. Ridgway and J. Monnier and R. Millan-Gabet and W. Traub},
  journal={Astronomy and Astrophysics},
  year={2009},
  volume={508},
  pages={923-932}
}
Aims. This paper reports on H-band interferometric observations of Betelgeuse made at the three-telescope interferometer IOTA. We image Betelgeuse and its asymmetries to understand the spatial variation of the photosphere, including its diameter, limb darkening, effective temperature, surrounding brightness, and bright (or dark) star spots. Methods. We used different theoretical simulations of the photosphere and dusty environment to model the visibility data. We made images with parametric… Expand
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