On the astrophysical interpretation of isotope anomalies in meteoritic SiC grains

Details On the astrophysical interpretation of isotope anomalies in meteoritic SiC grains On the astrophysical interpretation of isotope anomalies in meteoritic SiC grains

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990natur.348..298g&link_type=abstract

Nature (ISSN 0028-0836), vol. 348, Nov. 22, 1990, p. 298-302.

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107

Carbon Stars, Interstellar Matter, Isotopes, Meteoritic Composition, Meteoroids, Silicon Carbides, Abundance, Astronomical Models, Chemical Composition, Cosmic Dust, Interstellar Gas, Stellar Winds

Scientific paper

Meteoritic silicon carbide grains, formed in the winds from carbon stars, contain noble gases and other species whose elemental and isotopic abundances are a probe of stellar nucleosynthesis. Theoretical models of carbon stars can explain a variety of measured abundances, in particular the range of krypton isotope ratios and the excess Ne-22 found in the grains.

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