Evolutionary Map of the Universe (EMU): a pilot search for diffuse, non-thermal radio emission in galaxy clusters with the Australian SKA Pathfinder

SW Duchesne, A Botteon, BS Koribalski… - Publications of the …, 2024 - cambridge.org
Clusters of galaxies have been found to host Mpc-scale diffuse, non-thermal radio emission
in the form of central radio halos and peripheral relics. Turbulence and shock-related …

A Formation Mechanism for “Wrong Way” Radio Relics

LM Böss, UP Steinwandel, K Dolag - The Astrophysical Journal …, 2023 - iopscience.iop.org
Radio relics are typically found to be arc-like regions of synchrotron emission in the outskirts
of merging galaxy clusters, bowing out from the cluster center. In most cases they show …

Abell 746: A highly disturbed cluster undergoing multiple mergers

K Rajpurohit, L Lovisari, A Botteon… - The Astrophysical …, 2024 - iopscience.iop.org
We present deep XMM-Newton, Karl G. Jansky Very Large Array, and upgraded Giant
Metrewave Radio Telescope observations of Abell 746, a cluster that hosts a plethora of …

A uGMRT and MeerKAT Study of Radio Relics in the Low-mass Merging Cluster PSZ2 G200. 95− 28.16

A Pal, R Kale, QHS Wang, DR Wik - The Astrophysical Journal, 2025 - iopscience.iop.org
Diffuse radio sources known as radio relics are direct tracers of shocks in the outskirts of
merging galaxy clusters. PSZ2 G200. 95–28.16, a low-mass merging cluster (M …

Probing the morphology of polarized emission induced by fluctuation dynamo using Minkowski functionals

R Dutta, S Sur, A Basu - The Astrophysical Journal, 2024 - iopscience.iop.org
The morphology and the characteristic scale of polarized structures provide crucial insights
into the mechanisms that drive turbulence and maintain magnetic fields in magneto-ionic …

Magnetic dynamos in galaxy clusters: the crucial role of galaxy formation physics at high redshifts

L Tevlin, T Berlok, C Pfrommer, RY Talbot… - arxiv preprint arxiv …, 2024 - arxiv.org
Observations of Faraday rotation and synchrotron emission in galaxy clusters imply large-
scale magnetic fields with $\mu\mathrm {G} $ strengths possibly extending back to $ z= 4 …

An upgraded GMRT and MeerKAT study of radio relics in the low mass merging cluster PSZ2 G200. 95-28.16

A Pal, R Kale, QHS Wang, DR Wik - arxiv preprint arxiv:2411.15480, 2024 - arxiv.org
Diffuse radio sources known as radio relics are direct tracers of shocks in the outskirts of
merging galaxy clusters. PSZ2 G200. 95-28.16, a low-mass merging cluster ($\textrm {M} …

Galaxy Cluster simulations with a spectral Cosmic Ray model--" Wrong Way" Radio Relics

LM Böss, UP Steinwandel, K Dolag - arxiv preprint arxiv:2308.00448, 2023 - arxiv.org
Non-thermal emission from relativistic electrons gives insight into the strength and
morphology of intra-cluster magnetic fields, as well as providing powerful tracers of structure …

Evidence for a complex acceleration mechanism in the radio relics of MACS J1752+ 4440

M Della Chiesa - amslaurea.unibo.it
Radio relics are diffuse, synchrotron, radio sources located at the outskirts of merging galaxy
clusters, characterized by elongated arc-like shapes, with sizes ranging between 0.5 to …