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The role of convection, overshoot, and gravity waves for the transport of dust in M dwarf and brown dwarf atmospheres
Astronomy and Astrophysics
Observationally, spectra of brown dwarfs indicate the presence of dust in their atmospheres while theoretically it is not clear what prevents the dust from settling and disappearing from the regions of spectrum formation. Consequently, standard models have to rely on ad hoc assumptions about the mechanism that keeps dust grains aloft in the atmosphere. We apply hydrodynamical simulations to develop an improved physical understanding of the mixing properties of macroscopic flows in M dwarf anddoi:10.1051/0004-6361/200913354 fatcat:yijfcpxcercp3puzlxl473hbbu