Intracluster magnetic filaments and an encounter with a radio jet

L Rudnick, M Brüggen, G Brunetti… - The Astrophysical …, 2022 - iopscience.iop.org
Thin synchrotron-emitting filaments are increasingly seen in the intracluster medium (ICM).
We present the first example of a direct interaction between a magnetic filament, a radio jet …

Radio fossils, relics, and haloes in Abell 3266: cluster archaeology with ASKAP-EMU and the ATCA

CJ Riseley, E Bonnassieux, T Vernstrom… - Monthly Notices of …, 2022 - academic.oup.com
Abell 3266 is a massive and complex merging galaxy cluster that exhibits significant
substructure. We present new, highly sensitive radio continuum observations of Abell 3266 …

Exploring diffuse radio emission in galaxy clusters and groups with uGMRT and SKA

S Paul, R Kale, A Datta, A Basu, S Sur… - Journal of Astrophysics …, 2023 - Springer
Diffuse radio emission has been detected in a considerable number of galaxy clusters and
groups, revealing the presence of pervasive cosmic magnetic fields, and of relativistic …

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 …

Life cycle of cosmic-ray electrons in the intracluster medium

F Vazza, D Wittor, L Di Federico, M Brüggen… - Astronomy & …, 2023 - aanda.org
We simulate the evolution of relativistic eletrons injected into the medium of a small galaxy
cluster by a central radio galaxy, studying how the initial jet power affects the dispersal and …

A candle in the wind: a radio filament in the core of the A3562 galaxy cluster

S Giacintucci, T Venturi, M Markevitch… - The Astrophysical …, 2022 - iopscience.iop.org
Using a MeerKAT observation of the galaxy cluster A3562 (a member of the Shapley
supercluster), we have discovered a narrow, long and straight, very faint radio filament …

A radio bubble shredded by gas sloshing?

A Botteon, F Gastaldello, JA ZuHone… - Monthly Notices of …, 2024 - academic.oup.com
We report on the detection of diffuse radio emission with peculiar morphology in the central
region of the galaxy cluster Abell 2657. The most striking feature identified in our 144 MHz …

Halo scaling relations and hydrostatic mass bias in the simba simulation from realistic mock X-ray catalogues

F Jennings, R Davé - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
We present a new end-to-end pipeline for M ock O bservations of X-ray H aloes and A
nalysis (moxha) for hydrodynamic simulations of massive haloes, and use it to investigate X …

Simulating the enrichment of fossil radio electrons by multiple radio galaxies

F Vazza, D Wittor, M Brüggen, G Brunetti - Galaxies, 2023 - mdpi.com
We simulate the evolution of relativistic electrons injected into the intracluster medium by five
radio galaxies. We study the spatial transport and the emission properties of the injected …

Particle re-acceleration and diffuse radio sources in the galaxy cluster Abell 1550

T Pasini, HW Edler, M Brüggen, F De Gasperin… - Astronomy & …, 2022 - aanda.org
Context. Radio observations of galaxy clusters reveal a plethora of diffuse, steep-spectrum
sources related to the re-acceleration of cosmic-ray electrons, such as halos, relics, and …