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On the astrophysical interpretation of isotope anomalies in meteoritic SiC grains

Nature volume 348, pages 298–302 (1990)Cite this article

Abstract

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 22Ne found in the grains.

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Author information

Authors and Affiliations

  1. Istituto di Fisica generate dell' University Via P. Giuria 1, 10125, Torino, Italy

    R. Gallino

  2. Osservatorio Astronomico di Torino, Strada dell'Osservatorio 20, 10025, Pino Torinese, Italy

    M. Busso & G. Picchio

  3. International School for Advanced Studies, Via Beirut 4, 34014, Trieste, Italy

    C. M. Raiteri

Authors
  1. R. Gallino
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  2. M. Busso
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  3. G. Picchio
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  4. C. M. Raiteri
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Gallino, R., Busso, M., Picchio, G. et al. On the astrophysical interpretation of isotope anomalies in meteoritic SiC grains. Nature 348, 298–302 (1990). https://doi.org/10.1038/348298a0

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