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astro-ph.SR2026
Beryllium enhancement in stars of the accreted Thamnos-2 system
Paolo Molaro, Piercarlo Bonifacio, Elisabetta Caffau +2
Surveys of Galactic halo stars have revealed numerous streams and substructures tracing stellar populations accreted by the Milky Way. Among these, Gaia-Sausage-Enceladus (GSE) and…
astro-ph.GA2026
Abundances of CNO in candidate young metal-poor stars
Piercarlo Bonifacio, Elisabetta Caffau, Luca Sbordone +6
In this contribution we investigate the CNO abundances in five apparently young evolved stars, with the aim of discriminating between truly young stars and stars that were rejuvena…