Old puzzle, new insights: a lithium rich giant quietly burning helium in its core

About 1% of giant stars have been shown to have large surface Li abundances, which is unexpected according to standard stellar evolution models. Several scenarios for lithium production have been proposed, but it is still unclear why these Li-rich giants exist. A missing piece in this puzzle is the...

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Veröffentlicht in:	arXiv.org 2014-02
Hauptverfasser:	V Silva Aguirre, Ruchti, G R, Hekker, S, Cassisi, S, Christensen-Dalsgaard, J, Datta, A, Jendreieck, A, Jessen-Hansen, J, Mazumdar, A, Mosser, B, Stello, D, Beck, P G, de Ridder, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models Giant stars Helium Lithium Physics - Astrophysics of Galaxies Physics - Solar and Stellar Astrophysics Stellar evolution
Online-Zugang:	Volltext
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