crescendo: an on-the-fly Fokker–Planck solver for spectral cosmic rays in cosmological simulations

LM Böss, UP Steinwandel, K Dolag… - Monthly Notices of the …, 2023 - academic.oup.com
Non-thermal emission from relativistic cosmic ray (CR) electrons gives insight into the
strength and morphology of intra-cluster magnetic fields, as well as providing powerful …

Magnetic field evolution in cosmic filaments with LOFAR data

E Carretti, SP O'Sullivan, V Vacca… - Monthly Notices of …, 2023 - academic.oup.com
Measuring the magnetic field in cosmic filaments reveals how the Universe is magnetized
and the process that magnetized it. Using the Rotation Measures (RM) at 144 MHz from the …

A MeerKAT-meets-LOFAR study of Abell 1413: a moderately disturbed non-cool-core cluster hosting a~ 500 kpc 'mini'-halo

CJ Riseley, N Biava, G Lusetti… - Monthly Notices of …, 2023 - academic.oup.com
Many relaxed cool-core clusters host diffuse radio emission on scales of hundreds of
kiloparsecs: mini-haloes. However, the mechanism responsible for generating them, as well …

A three-component giant radio halo: The puzzling case of the galaxy cluster Abell 2142

L Bruno, A Botteon, T Shimwell, V Cuciti… - Astronomy & …, 2023 - aanda.org
Context. Turbulence introduced into the intracluster medium (ICM) through cluster-merger
events transfers energy to non-thermal components, and can trigger the formation of diffuse …

Cosmic-ray acceleration and magnetic fields in galaxy clusters and beyond: Insights from radio observations

D Wittor - Universe, 2023 - mdpi.com
The discovery of diffuse radio emission in galaxy clusters proved the existence of energetic
cosmic-ray electrons and cosmic magnetic fields on Mpc-scales in the Universe …

Tempestuous life beyond R500: X-ray view on the Coma cluster with SRG/eROSITA-I. X-ray morphology, recent merger, and radio halo connection

E Churazov, I Khabibullin, N Lyskova… - Astronomy & …, 2021 - aanda.org
This is the first paper in a series of studies of the Coma cluster using the SRG/eROSITA X-
ray data obtained in the course of the calibration and performance verification observations …

Abell 1033: Radio halo and gently reenergized tail at 54 MHz

HW Edler, F de Gasperin, G Brunetti, A Botteon… - Astronomy & …, 2022 - aanda.org
Context. Abell 1033 is a merging galaxy cluster of moderate mass (M 500= 3.24× 10 14
M⊙). It hosts a broad variety of diffuse radio sources that are linked to different astrophysical …

Deep low-frequency radio observations of Abell 2256-II. The ultra-steep spectrum radio halo

K Rajpurohit, E Osinga, M Brienza, A Botteon… - Astronomy & …, 2023 - aanda.org
We present the first detailed analysis of the radio halo in the merging galaxy cluster Abell
2256 using the LOw Frequency ARray, the upgraded Giant Metrewave Radio Telescope …

The diffuse radio emission in the high-redshift cluster PSZ2 G091. 83+ 26.11: Total intensity and polarisation analysis with Very Large Array 1–4 GHz observations

G Di Gennaro, M Brüggen, RJ van Weeren… - Astronomy & …, 2023 - aanda.org
Context. Diffuse radio emission in galaxy clusters, namely radio halos and radio relics, is
usually associated with merger events. Despite the tremendous advances in observations in …

Surface brightness discontinuities in radio halos-Insights from the MeerKAT Galaxy Cluster Legacy Survey

A Botteon, M Markevitch, RJ van Weeren… - Astronomy & …, 2023 - aanda.org
Context. Dynamical motions in the intra-cluster medium (ICM) can imprint distinctive features
on X-ray images that map the thermal bremsstrahlung emission from galaxy clusters, such …