Atmosphere of Betelgeuse before and during the Great Dimming event revealed by tomographyK. Kravchenko, A. Jorissen, S. Van Eck, T. Merle, A. Chiavassa, C. Paladini, B. Freytag, B. Plez, M. Montargès and H. Van WinckelA&A, 650 (2021) L17DOI: https://doi.org/10.1051/0004-6361/202039801
