CORRELATED STRONTIUM AND BARIUM ISOTOPIC COMPOSITIONS OF ACID-CLEANED SINGLE MAINSTREAM SILICON CARBIDES FROM MURCHISON

ABSTRACT We present strontium, barium, carbon, and silicon isotopic compositions of 61 acid-cleaned presolar SiC grains from Murchison. Comparison with previous data shows that acid washing is highly effective in removing both strontium and barium contamination. For the first time, by using correlat...

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Veröffentlicht in:	The Astrophysical journal 2015-04, Vol.803 (1), p.1-23
Hauptverfasser:	Liu, Nan, Savina, Michael R., Gallino, Roberto, Davis, Andrew M., Bisterzo, Sara, Gyngard, Frank, Käppeler, Franz, Cristallo, Sergio, Dauphas, Nicolas, Pellin, Michael J., Dillmann, Iris
Format:	Artikel
Sprache:	eng
Schlagworte:	abundances – stars: AGB ASTRONOMY AND ASTROPHYSICS Asymptotic giant branch stars Carbon circumstellar matter circumstellar matter – meteorites Correlation Grains meteorites, meteors, meteoroids meteoroids – nuclear reactions meteors nuclear reactions, nucleosynthesis, abundances nucleosynthesis Parents Pocket post-AGB – stars: carbon Silicon carbide stars: AGB and post-AGB stars: carbon Strontium
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