Fornax A, Centaurus A and other radio galaxies as sources of ultra-high energy cosmic rays
classification
🌌 astro-ph.HE
astro-ph.GA
keywords
galaxiescentauruscosmicenergyfornaxradioraysultra-high
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The origin of ultra-high energy cosmic rays (UHECRs) is still unknown. It has recently been proposed that UHECR anisotropies can be attributed to starburst galaxies or active galactic nuclei. We suggest that the latter is more likely and that giant-lobed radio galaxies such as Centaurus A and Fornax A can explain the data.
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