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astro-ph.SR2023
Bottom-up dust nucleation theory in oxygen-rich evolved stars II. Magnesium and calcium aluminate clusters
David Gobrecht, S. Rasoul Hashemi, John M. C. Plane +3
Spinel (MgAlO) and krotite (CaAlO) are alternative candidates to alumina (AlO) as primary dust condensates in the atmospheres of oxygen-rich evolved…
astro-ph.SR2023
ATOMIUM: Probing the inner wind of evolved O-rich stars with new, highly excited HO and OH lines
A. Baudry, K. T. Wong, S. Etoka +17
Water and the hydroxyl radical are major constituents of the envelope of O-rich late-type stars. Transitions involving energy levels that are highly excited have been observed in b…