Production of Radioactive 22Na in Core-collapse Supernovae: The Ne-E(L) Component in Presolar Grains and Its Possible Consequences on Supernova Observations

Production of Radioactive 22Na in Core-collapse Supernovae: The Ne-E(L) Component in Presolar Grains and Its Possible Consequences on Supernova Observations

Presolar graphite grains carry the isotopic signatures of their parent stars. A significant fraction of presolar graphites show isotopic abundance anomalies relative to solar for elements such as O, Si, Mg, and Ca, which are compatible with nucleosynthesis in core-collapse supernovae (CCSNe). Theref...

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Bibliographic Details
Main Authors: Marco Pignatari, Sachiko Amari, Peter Hoppe, C. Fryer, S. Jones, A. Psaltis, A. M. Laird, F. Herwig, L. Roberti, Thomas Siegert, Maria Lugaro
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Core-collapse supernovae
Supernovae
Online Access:https://doi.org/10.3847/1538-4357/adef4c
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