Isotopic abundances of magnesium in five G and K dwarfs

Details Isotopic abundances of magnesium in five G and K dwarfs Isotopic abundances of magnesium in five G and K dwarfs

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...235..925t&link_type=abstract

Astrophysical Journal, Part 1, vol. 235, Feb, 1, 1980, p. 925-938.

Astronomy and Astrophysics

Astrophysics

58

Abundance, Dwarf Stars, G Stars, K Stars, Late Stars, Magnesium Isotopes, Metallic Stars, Stellar Spectra, Atmospheric Models, Chemical Evolution, H Lines, Heavy Elements, Nuclear Fusion, Stellar Atmospheres, Stellar Evolution, Stellar Structure

Scientific paper

The paper reports on an analysis of high-resolution low-noise Reticon observations of MgH lines in the spectra of Mu Cas, Epsilon Eri, 61 Cyg A and B, and Gmb 1830 by spectrum synthesis. It is shown that the mixtures of the isotopes in Mu Cas, Epsilon Eri, and 61 Cyg A and B are not significantly different from the terrestrial mixture. Attention is also given to a nonterrestrial mixture which is found in Gmb 1830.

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