Tag Archives: red giant

Lithium destruction and production observed in red giant stars

S.Uttenthaler (1), T. Lebzelter (1), M. Busso (2), S. Palmerini (3,4), B.Aringer (1), and M. Schultheis (5) ((1) University of Vienna, Department of Astrophysics, Türkenschanzstraße 17, 1180 Vienna, Austria; (2) Dipartimento di Fisica, Universitá di Perugia, and INFN, Sezione di … Continue reading

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On the sodium overabundance of giants in open clusters: The case of the Hyades

Rodolfo Smiljanic (European Southern Observatory,  Garching bei München, Germany) Sodium abundances have been determined in a large number of giants of open clusters but conflicting results, ranging from solar values to overabundances of up to five orders of magnitude, have … Continue reading

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