Can We Draw Conclusions on Supernova Shock Wave Propagation Using Short-Lived Radioactive Isotopes?

Wehmeyer, Benjamin, López, Andrés Yagüe, Côté, Benoit, Peto, Mária K., Kobayashi, Chiaki and Lugaro, Maria (2025) Can We Draw Conclusions on Supernova Shock Wave Propagation Using Short-Lived Radioactive Isotopes? Astronomische Nachrichten: e70002. pp. 1-6. ISSN 0004-6337
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We run a three-dimensional Galactic chemical evolution (GCE) model to follow the propagation of 53Mn (exclusively produced from type Ia supernovae, SNIa), 60Fe (exclusively produced from core-collapse supernovae, CCSNe), 182Hf (exclusively produced from intermediate mass stars, IMSs), and 244Pu (exclusively produced from neutron star mergers, NSMs). By comparing the pre- dictions from our three-dimensional GCE model to recent detections of 53Mn, 60Fe, and 244Pu on the deep-sea floor, we draw conclusions about their propagation in the interstellar medium.


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