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The seeding of cosmic ray electrons by cluster radio galaxies: a review

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arxiv 2403.16068 v2 pith:K6CW5GFO submitted 2024-03-24 astro-ph.GA astro-ph.COastro-ph.HE

The seeding of cosmic ray electrons by cluster radio galaxies: a review

classification astro-ph.GA astro-ph.COastro-ph.HE
keywords radiogalaxiesclustershalosreviewclustercosmiccrucial
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Radio galaxies in clusters of galaxies are prominent reservoirs of magnetic fields and of non-thermal particles, which get mixed with the intracluster medium. We review the observational and theoretical knowledge of the role of these crucial ingredients for the formation of diffuse radio emission in clusters (radio halos, relics, mini halos) and outline the open questions in this field.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Two-component large-scale radio emission in Abell 2244

    astro-ph.CO 2026-07 conditional novelty 6.0

    Abell 2244 hosts a two-component radio halo whose outer part has a flatter spectral index than megahaloes and a weaker radio-X-ray correlation than the inner halo.

  2. Multi-Wavelength Signatures of a Giant Cometary Radio Halo in MACSJ0417-1154

    astro-ph.HE 2026-07 conditional novelty 6.0

    MACSJ0417’s giant radio halo shows spectral steepening and radio–X-ray correlation consistent with turbulence from a 6:1 off-axis merger that preserved the cool core; pure hadronic models are energetically excluded.

  3. CRESCENDO II: Spectral cosmic rays with improved energy losses and realistic supernova seeding

    astro-ph.HE 2026-07 conditional novelty 5.0

    CRESCENDO's spectral cosmic-ray solver now includes improved energy-loss processes, non-ultra-relativistic energy/pressure integrals, and supernova-remnant template injection.