A Presolar Silicon Carbide Grain of Type C with Extremely Low 12C/13C Ratio

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P. Hoppe, Schofield J., Pignatari M., Amari S.

52nd Lunar and Planetary Science Conference (2021), Abstract #1055

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“We report on a presolar SiC grain of Type C with an extremely low 12C/13C ratio of 1.0 and strong enrichments in the heavy Si isotopes. The isotopic compositions can be satisfactorily explained by an H ingestion supernova model.”

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