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Learn about groundbreaking research on oxygen-rich AGB stars in this 21-minute scientific talk from Chalmers University of Technology researcher Theo Khouri. Explore high-angular-resolution observations using ALMA and SPHERE/VLT instruments to examine dust formation processes and wind-driving mechanisms in nearby asymptotic giant branch stars. Discover how combining molecular line maps with polarized light data reveals crucial details about gas density, velocity, temperature distributions, and dust grain properties in stellar wind acceleration regions. Examine specific findings about R Dor that challenge existing models, showing unexpected gas cooling efficiency and dust grain characteristics. Get insights into preliminary results from additional nearby stellar observations that advance our understanding of circumstellar envelope dynamics and stellar wind mechanics.
