New Multielement Isotopic Compositions of Presolar SiC Grains: Implications for Their Stellar Origins

Nan Liu, Jens Barosch, Larry R. Nittler +5

We report NanoSIMS Si and Mg-Al isotopic data (and C, N, and Ti isotopic data when available) for 85 submicron- to micron-sized presolar SiC grains from the CM2 Murchison meteorite…