Fundamental properties of nearby stars and the consequences on ΔY/ΔZ
Context. One of the greatest difficulties in astrophysics is the determination of the fundamental stellar parameters, one of which is the initial mass fraction of helium (Y). However, given that Y can be measured spectroscopically in only a small percentage of stars, a linear relationship is assumed...
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Principais autores: | Valcarce, A. A. R., Catelan, M., Medeiros, José Renan de |
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Formato: | article |
Idioma: | English |
Publicado em: |
Astronomy & Astrophysics
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Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/29021 https://doi.org/10.1051/0004-6361/201220765 |
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