The inner dust shell of Betelgeuse detected by polarimetric aperture-masking interferometry

@article{Haubois2019TheID,
  title={The inner dust shell of Betelgeuse detected by polarimetric aperture-masking interferometry},
  author={X. Haubois and B. Norris and P. Tuthill and C. Pinte and P. Kervella and J. Girard and N. Kostogryz and S. Berdyugina and G. Perrin and S. Lacour and A. Chiavassa and S. Ridgway},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2019}
}
Theory surrounding the origin of the dust-laden winds from evolved stars remains mired in controversy. Characterizing the formation loci and the dust distribution within approximately the first stellar radius above the surface is crucial for understanding the physics that underlie the mass-loss phenomenon. By exploiting interferometric polarimetry, we derive the fundamental parameters that govern the dust structure at the wind base of a red supergiant. We present near-infrared aperture-masking… Expand
MIRC-X polarinterferometry at CHARA
The James Webb Space Telescope aperture masking interferometer
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