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  The great dimming of betelgeuse from the VLT/VLTI

Montarges, M., Cannon, E., Lagadec, E., de Koter, A., Kervella, P., Sanchez-Bermudez, J., et al. (2021). The great dimming of betelgeuse from the VLT/VLTI. In L. Decin, A. Zijlstra, & C. Gielen (Eds.), The Origin of Outflows in Evolved Stars (pp. 117-123). Cambridge, UK: Cambridge University Press. doi:10.1017/S1743921322000667.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-3D2A-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-3D2B-0
Genre: Conference Paper

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 Creators:
Montarges, M., Author
Cannon, E., Author
Lagadec, E., Author
de Koter, A., Author
Kervella, P., Author
Sanchez-Bermudez, J., Author
Paladini, C., Author
Cantalloube, F., Author
Decin, L., Author
Scicluna, P., Author
Kravchenko, K.1, Author           
Ridgway, A. K. Dupree S., Author
Wittkowski, M., Author
Anugu, N., Author
Norris, R., Author
Rau, G., Author
Perrin, G., Author
Chiavassa, A., Author
Kraus, S., Author
Monnier, J. D., Author
Millour, F., AuthorLe Bouquin, J.-B., AuthorHaubois, X., AuthorLopez, B., AuthorStee, P., AuthorDanchi., W., Author more..
Affiliations:
1Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159895              

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 Abstract: From November 2019 to April 2020, the prototypical red supergiant Betelgeuse experienced an unexpected and historic dimming. This event was observed worldwide by astrophysicists, and also by the general public with the naked eye. We present here the results of our observing campaign with ESO’s VLT and VLTI in the visible and infrared domains. The observations with VLT/SPHERE-ZIMPOL, VLT/SPHERE-IRDIS, VLTI/GRAVITY and VLTI/MATISSE provide spatially resolved diagnostics of this event. Using PHOENIX atmosphere models and RADMC3D dust radiative transfer simulations, we built a consistent model reproducing the images and the photometry.

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Language(s): eng - English
 Dates: 2022-11-302021
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1017/S1743921322000667
Other: LOCALID: Reihe: IAU...366, p.117
 Degree: -

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Title: 366th Symposium of the International Astronomical Union
Place of Event: Virtual Meeting, Belgium
Start-/End Date: 2021-11-01 - 2021-11-06

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Title: The Origin of Outflows in Evolved Stars
Source Genre: Proceedings
 Creator(s):
Decin, Leen, Editor
Zijlstra, Albert, Editor
Gielen, Clio, Editor
Affiliations:
-
Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 117 - 123 Identifier: ISBN: 978-1-107-03381-8

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Title: Proceedings of the International Astronomical Union
Source Genre: Series
 Creator(s):
International Astronomical Union, Editor              
Affiliations:
-
Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: 366 Sequence Number: - Start / End Page: - Identifier: ISSN: 1743-9213