Cosmic ray feedback in galaxies and galaxy clusters: A pedagogical introduction and a topical review of the acceleration, transport, observables, and dynamical …

M Ruszkowski, C Pfrommer - The Astronomy and Astrophysics Review, 2023 - Springer
Understanding the physical mechanisms that control galaxy formation is a fundamental
challenge in contemporary astrophysics. Recent advances in the field of astrophysical …

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 …

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 …

The population of the galactic center filaments: position angle distribution reveals a degree-scale collimated outflow from Sgr A* along the galactic plane

F Yusef-Zadeh, RG Arendt, M Wardle… - The Astrophysical …, 2023 - iopscience.iop.org
We have examined the distribution of the position angle (PA) of the Galactic center filaments
with lengths L> 66''and< 66''as well as their length distribution as a function of PA. We find …

Decoding the giant extragalactic radio sources

P Dabhade, DJ Saikia, M Mahato - Journal of Astrophysics and Astronomy, 2023 - Springer
Giant radio sources (GRSs) defined to be> 0.7 Mpc are the largest single objects in the
Universe and can be associated with both galaxies (GRGs) and quasars (GRQs). They are …

The panchromatic afterglow of GW170817: the full uniform data set, modeling, comparison with previous results, and implications

S Makhathini, KP Mooley, M Brightman… - The Astrophysical …, 2021 - iopscience.iop.org
We present the full panchromatic afterglow light-curve data of GW170817, including new
radio data as well as archival optical and X-ray data, between 0.5 and 940 days post …

The galaxy group NGC 507: Newly detected AGN remnant plasma transported by sloshing

M Brienza, L Lovisari, K Rajpurohit, A Bonafede… - Astronomy & …, 2022 - aanda.org
Jets from active galactic nuclei (AGN) are known to recurrently enrich their surrounding
medium with mildly relativistic particles and magnetic fields. Here, we present a detailed …

First AI for deep super-resolution wide-field imaging in radio astronomy: unveiling structure in ESO 137-006

A Dabbech, M Terris, A Jackson… - The Astrophysical …, 2022 - iopscience.iop.org
We introduce the first AI-based framework for deep, super-resolution, wide-field radio
interferometric imaging and demonstrate it on observations of the ESO 137-006 radio …

AGN feeding and feedback in Fornax A-Kinematical analysis of the multi-phase ISM

FM Maccagni, P Serra, M Gaspari, D Kleiner… - Astronomy & …, 2021 - aanda.org
We present a multi-wavelength study of the gaseous medium surrounding the nearby active
galactic nucleus (AGN), Fornax A. Using MeerKAT, ALMA, and MUSE observations, we …

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 …