New isotopic data from presolar SiC grains are best reproduced by hydrodynamic models of CO novae, establishing them as the primary source for 1-2% of such grains.
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Gravitational redshift data for SDSS J060851.44-005950.3 favor an oxygen-neon core with Bayes factor 2.7 over carbon-oxygen.
citing papers explorer
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New NanoSIMS Multielement Isotope Data Reveal CO Novae As Key Sources Of 13C-rich Presolar Silicon Carbide Grains
New isotopic data from presolar SiC grains are best reproduced by hydrodynamic models of CO novae, establishing them as the primary source for 1-2% of such grains.
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An Ultramassive White Dwarf with a Likely Oxygen-Neon Core
Gravitational redshift data for SDSS J060851.44-005950.3 favor an oxygen-neon core with Bayes factor 2.7 over carbon-oxygen.