Relations between nucleosynthesis rates and the metal abundance

Details Relations between nucleosynthesis rates and the metal abundance Relations between nucleosynthesis rates and the metal abundance

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....89..246t&link_type=abstract

Astronomy and Astrophysics, vol. 89, no. 1-2, Sept. 1980, p. 246-248.

Astronomy and Astrophysics

Astrophysics

20

Abundance, Metallic Stars, Nuclear Fusion, Stellar Mass Ejection, Galactic Evolution, Mass Distribution, Rates (Per Time), Stellar Evolution

Scientific paper

The metal abundance resulting from a given rate of nucleosynthesis is often expressed as the mass of metals ever ejected from stars divided by the total mass of the system. For this expression to be valid, the 'total mass' must include only material that was enriched during the appropriate period of galactic evolution, and must exclude any objects that condensed at an earlier epoch. This obvious requirement seems to have been overlooked in the literature. When a consistent 'total mass' is used, the above expression is essentially equal to the yield, which is known to be a useful estimate of the metal abundance.

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