Silicon and Carbon Isotopic Ratios in AGB Stars: SiCGrain Data, Models, and the Galactic Evolution of the Si Isotopes
Date
2006
Authors
Zinner, Ernst
Nittler, Larry R
Gallino, Roberto
Karakas, Amanda
Lugaro, Maria Anna
Straniero, O
Lattanzio, John
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IOP Publishing
Abstract
Presolar SiC grains of the mainstream, Y, and Z type are believed to come from carbon stars. We compared their C and Si isotopic ratios with theoretical models for the envelope compositions of AGB stars. Two sets of models (FRANEC and Monash) use a range
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Keywords: Dust, extinction; Galaxy: evolution; Nuclear reactions, nucleosynthesis, abundances; Stars: AGB and post-AGB; Stars: carbon
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Source
Astrophysical Journal, The
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Journal article
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Restricted until
2037-12-31
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