The inhomogeneous submillimeter atmosphere of Betelgeuse E. O’Gorman, P. Kervella, G. M. Harper, A. M. S. Richards, L. Decin, M. Montargès and I. McDonald A&A, 602 (2017) L10 Published online: 20 June 2017 DOI: 10.1051/0004-6361/201731171