Cosmic Ray Accelerators in the Large Magellanic Cloud
Yousaf M. Butt
TL;DR
This paper suggests that cosmic rays in the Large Magellanic Cloud are primarily accelerated by large-scale structures like superbubbles and supergiant shells, based on a correlation with historical star formation activity.
Contribution
It provides evidence linking cosmic ray acceleration to large-scale stellar feedback structures in the LMC, highlighting the role of superbubbles and supergiant shells.
Findings
Correlation between gamma-ray emissivity and star formation rate 12.5 Myr ago
Supports supernova remnants as primary cosmic ray accelerators in the LMC
Links cosmic ray acceleration to large-scale stellar feedback structures
Abstract
I point out a correlation between gamma-ray emissivity and the historical star formation rate in the Large Magellanic Cloud ~12.5 Myr ago. This correlation bolsters the view that CRs in the LMC are accelerated by conglomerations of supernova remnants: i.e. superbubbles and supergiant shells.
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