Core-collapse supernova models including C-O shell mergers best match observed elemental ratios in Cas A, indicating mergers occur and contribute up to 20-30% of 44Ti outside the reverse shock.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Rotating massive-star yields at 300 km/s improve agreement with metal-poor Sc, Ti, V abundances in one-zone GCE models, with IMF slope variations providing secondary modulation.
citing papers explorer
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Production of heavy $\alpha$-elements and $^{44}$Ti in Cas A: comparison to abundances from 1D core-collapse supernova models and evidence for Carbon-Oxygen shell mergers
Core-collapse supernova models including C-O shell mergers best match observed elemental ratios in Cas A, indicating mergers occur and contribute up to 20-30% of 44Ti outside the reverse shock.
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The Sc, Ti, and V Abundance Discrepancy: Testing High-Mass IMF Variation and Massive-Star Rotation
Rotating massive-star yields at 300 km/s improve agreement with metal-poor Sc, Ti, V abundances in one-zone GCE models, with IMF slope variations providing secondary modulation.