Relative abundances of elements in main-sequence stars, and nucleosynthesis

Details Relative abundances of elements in main-sequence stars, and nucleosynthesis Relative abundances of elements in main-sequence stars, and nucleosynthesis

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sval....3...11k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 3, Jan. 1977, p. 21-25.) Soviet Astronomy Letters, vol. 3, Jan.-Feb. 1977, p. 11-13. Tr

Astronomy and Astrophysics

Astronomy

1

Abundance, Atmospheric Composition, Chemical Composition, Main Sequence Stars, Nuclear Fusion, Solar Atmosphere, Correlation, Heavy Elements, Iron, Light Elements

Scientific paper

Published data on chemical-element abundances in the atmospheres of main-sequence stars (spectral types B through G) are analyzed. It is found that the relative abundance of iron-group elements with respect to the iron abundance itself remains constant over the entire range of chemical compositions and that the abundances of lighter and heavier elements have a power-law dependence on iron abundance. These characteristics are shown to impose constraints on the physical conditions under which heavy elements are produced by nucleosynthesis.

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