A new dimension in the variability of AGB stars: Convection patterns size changes with pulsation
A. Rosales-Guzmán,
J. Sanchez-Bermudez,
C. Paladini
et al.
Abstract:Stellar convection plays an important role in atmospheric dynamics, wind formation, and the mass-loss processes in asymptotic giant branch stars. However, a direct characterization of convective surface structures in terms of size, contrast, and lifespan is quite challenging, as spatially resolving these features requires the highest angular resolution. We aim to characterize the size of convective structures on the surface of the O-rich AGB star R Car to test different theoretical predictions based on mixing-… Show more
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