Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987japa....8...81a&link_type=abstract
(IAU, Meeting on Nucleosynthesis in the Galaxy from the Study of Low-mass Stars, New Delhi, India, Nov. 27, 1985) Journal of Ast
Astronomy and Astrophysics
Astrophysics
1
Abundance, Big Bang Cosmology, Cosmochemistry, Light Elements, Stellar Composition, Astronomical Models, Deuterium, Helium Isotopes, Lithium Isotopes
Scientific paper
It is noted that low-mass stars cannot by themselves provide all the information needed to determine all the primordial abundances of D, He-3, He-4, and Li-7. Nevertheless, they play a basic role in establishing the primordial abundance of Li-7 and they may provide a useful constraint on the chemical models of the Galaxy (e.g., that of Delbourgo-Salvador et al., 1985) to reconcile the baryonic densities deduced from He-4 and D. Furthermore, they may constrain the primordial abundance of He and compel the cosmologist to adopt for it a low value which may be inconsistent with the prediction of the standard big bang nucleosynthesis.
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