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Low temperature mean opacities for the carbon-rich regime
Michael T. Lederer, Bernhard Aringer
Asymptotic Giant Branch (AGB) stars undergo a change in their chemical composition during their evolution. This in turn leads to an alteration of the radiative opacities, especiall…
Low-mass lithium-rich AGB stars in the Galactic bulge: evidence for Cool Bottom Processing?
Stefan Uttenthaler, Thomas Lebzelter, Sara Palmerini +3
Context: The stellar production of the light element lithium is still a matter of debate. Aims: We report the detection of low-mass, Li-rich Asymptotic Giant Branch (AGB) stars loc…
Molecular opacities for low-mass metal-poor AGB stars undergoing the Third Dredge Up
S. Cristallo, O. Straniero, M. T. Lederer +1
The concomitant overabundances of C, N and s-process elements are commonly ascribed to the complex interplay of nucleosynthesis, mixing and mass loss taking place in Asymptotic Gia…