AGB stars of the intermediate-age LMC cluster NGC 1846 II. Dredge up along the AGB

T. Lebzelter, M. T. Lederer, S. Cristallo +3

Aims: We investigate the change in the surface abundance of ${}^{12}$C during the evolution along the AGB, aiming to constrain third dredge-up models. Methods: High-resolution, near-…