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 …

The Evolutionary Map of the Universe pilot survey

RP Norris, J Marvil, JD Collier, AD Kapińska… - Publications of the …, 2021 - cambridge.org
We present the data and initial results from the first pilot survey of the Evolutionary Map of
the Universe (EMU), observed at 944 MHz with the Australian Square Kilometre Array …

[HTML][HTML] The Abell 3391/95 galaxy cluster system-A 15 Mpc intergalactic medium emission filament, a warm gas bridge, infalling matter clumps, and (re-) accelerated …

TH Reiprich, A Veronica, F Pacaud… - Astronomy & …, 2021 - aanda.org
Context. Inferences about dark matter, dark energy, and the missing baryons all depend on
the accuracy of our model of large-scale structure evolution. In particular, with cosmological …

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 …

Mysterious odd radio circle near the large magellanic cloud–an intergalactic supernova remnant?

MD Filipović, JL Payne, RZE Alsaberi… - Monthly Notices of …, 2022 - academic.oup.com
We report the discovery of J0624–6948, a low-surface brightness radio ring, lying between
the Galactic Plane and the large magellanic cloud (LMC). It was first detected at 888 MHz …

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 LOFAR LBA Sky Survey-I. Survey description and preliminary data release

F de Gasperin, WL Williams, P Best, M Brüggen… - Astronomy & …, 2021 - aanda.org
Context. The LOw Frequency ARray (LOFAR) is the only radio telescope that is presently
capable of high-sensitivity, high-resolution (ie< 1 mJy beam− 1 and< 15 ″) observations at …

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 …

[HTML][HTML] Measuring the giant radio galaxy length distribution with the LoTSS

MSSL Oei, RJ van Weeren, AR Gast, A Botteon… - Astronomy & …, 2023 - aanda.org
Context. Many massive galaxies launch jets from the accretion disk of their central black
hole, but only∼ 10 3 instances are known in which the associated outflows form giant radio …

[HTML][HTML] The discovery of a radio galaxy of at least 5 Mpc

MSSL Oei, RJ van Weeren, MJ Hardcastle… - Astronomy & …, 2022 - aanda.org
Context. Giant radio galaxies (GRGs, or colloquially 'giants') are the Universe's largest
structures generated by individual galaxies. They comprise synchrotron-radiating active …