Ram pressure stripping in high-density environments

A Boselli, M Fossati, M Sun - The Astronomy and astrophysics review, 2022 - Springer
Galaxies living in rich environments are suffering different perturbations able to drastically
affect their evolution. Among these, ram pressure stripping, ie the pressure exerted by the …

Diffuse radio emission from galaxy clusters

RJ Van Weeren, F de Gasperin, H Akamatsu… - Space Science …, 2019 - Springer
In a growing number of galaxy clusters diffuse extended radio sources have been found.
These sources are not directly associated with individual cluster galaxies. The radio …

The MeerKAT Galaxy Cluster Legacy Survey-I. Survey Overview and Highlights

K Knowles, WD Cotton, L Rudnick, F Camilo… - Astronomy & …, 2022 - aanda.org
MeerKAT's large number (64) of 13.5 m diameter antennas, spanning 8 km with a densely
packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity …

New constraints on light axion-like particles using Chandra transmission grating spectroscopy of the powerful cluster-hosted quasar H1821+643

J Sisk-Reynés, JH Matthews… - Monthly Notices of …, 2022 - academic.oup.com
Axion-like particles (ALPs) are predicted by several Beyond the Standard Model theories, in
particular, string theory. In the presence of an external magnetic field perpendicular to the …

But what about...: cosmic rays, magnetic fields, conduction, and viscosity in galaxy formation

PF Hopkins, TK Chan… - Monthly Notices of …, 2020 - academic.oup.com
We present and study a large suite of high-resolution cosmological zoom-in simulations,
using the FIRE-2 treatment of mechanical and radiative feedback from massive stars …

The gamma-ray window to intergalactic magnetism

R Alves Batista, A Saveliev - Universe, 2021 - mdpi.com
One of the most promising ways to probe intergalactic magnetic fields (IGMFs) is through
gamma rays produced in electromagnetic cascades initiated by high-energy gamma rays or …

Second-order fermi reacceleration mechanisms and large-scale synchrotron radio emission in intracluster bridges

G Brunetti, F Vazza - Physical Review Letters, 2020 - APS
Radio observations at low frequencies with the low frequency array (LOFAR) start
discovering gigantic radio bridges connecting pairs of massive galaxy clusters. These …

Constraining gas motions in the intra-cluster medium

A Simionescu, J ZuHone, I Zhuravleva… - Space Science …, 2019 - Springer
The detailed velocity structure of the diffuse X-ray emitting intra-cluster medium (ICM)
remains one of the last missing key ingredients in understanding the microphysical …

Introducing SPHINX-MHD: the impact of primordial magnetic fields on the first galaxies, reionization, and the global 21-cm signal

H Katz, S Martin-Alvarez, J Rosdahl… - Monthly Notices of …, 2021 - academic.oup.com
We present the first results from SPHINX-MHD, a suite of cosmological radiation-
magnetohydrodynamics simulations designed to study the impact of primordial magnetic …

Fast magnetic field amplification in distant galaxy clusters

G Di Gennaro, RJ van Weeren, G Brunetti… - Nature …, 2021 - nature.com
In the present-day Universe, magnetic fields pervade galaxy clusters and have strengths of a
few microgauss, as measured from Faraday rotation. Evidence for cluster magnetic fields is …