TheGaia-ESO Survey: Inhibited extra mixing in two giants of the open cluster Trumpler 20?

2016/05/06 by R. Smiljanić, R. Smiljanic, E. Franciosini +40
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Cluster (spacecraft) #Context (archaeology) #Geology #Metallicity #Open cluster #Physics #Red-giant branch #Spectral line #Stars #Stellar, planetary, and galactic studies #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201628526

published as A&A 591, A62 (2016) · A&A accepted, 8 pages, 5 figures

arxiv created 2016/05/06 · openalex publication_date 2016/05/10 · arxiv updated 2016/06/15 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Aims. We report the discovery of two Li-rich giants, with A(Li) ~ 1.50, in an analysis of a sample of 40 giants of the open cluster Trumpler 20 (with turnoff mass ~1.8 M⊙). The cluster was observed in the context of the Gaia-ESO Survey.

Citations

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