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Title:
The classical Hyades lithium problem resolved?
Authors:
Swenson, Fritz J.; Faulkner, John; Iglesias, Carlos A.; Rogers, Forrest J.; Alexander, David R.
Affiliation:
AA(University of Victoria, Victoria, BC, Canada), AB(University of Victoria, Victoria, BC, Canada), AC(Lawrence Livermore National Laboratory, Livermore, CA, US), AD(Lawrence Livermore National Laboratory, Livermore, CA, US), AE(Wichita State University, Wichita, KS, US)
Publication:
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 422, no. 2, p. L79-L82 (ApJL Homepage)
Publication Date:
02/1994
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ABUNDANCE, LITHIUM, PRE-MAIN SEQUENCE STARS, STELLAR EVOLUTION, STELLAR INTERIORS, STELLAR MODELS, DWARF STARS, G STARS, MASS TO LIGHT RATIOS, PREDICTIONS
DOI:
10.1086/187217
Bibliographic Code:
1994ApJ...422L..79S

Abstract

Recent observations of Hyades stars indicate an enhanced oxygen-to-iron ratio in comparison to the Sun. We show that the impact of such an oxygen enhancement on the predictions of pre-main-sequence lithium burning, via interior opacities, is quite substantial. For the first time, self-consistent predictions of the G and K dwarf (Li, Teff) relationship for the Hyades match the observations. Other elements which could be of importance in this regard, for any cluster, are also identified.

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