Age and mass of solar twins constrained by lithium abundance

Aims. We analyze the non-standard mixing history of the solar twins HIP 55 459, HIP 79 672, HIP 56 948, HIP 73 815, and HIP 100 963, to determine as precisely as possible their mass and age. Methods. We computed a grid of evolutionary models with non-standard mixing at several metallicities with the...

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Principais autores: Nascimento Jr, J. D. do, Castro, M., Meléndez, J., Bazot, M., Théado, S., Mello, G. F. Porto de, Medeiros, José Renan de
Formato: article
Idioma:English
Publicado em: Astronomy & Astrophysics
Assuntos:
Stars: fundamental parameters
Stars: horizontal-branch
Stars: abundances
Stars: evolution
Stars: interiors
Sun: fundamental parameters
Endereço do item:https://repositorio.ufrn.br/jspui/handle/123456789/28996
https://doi.org/10.1051/0004-6361/200911935
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https://repositorio.ufrn.br/jspui/handle/123456789/28996
https://doi.org/10.1051/0004-6361/200911935

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