activity
20192026
most citedThe ultra-steep diffuse radio emission observed in the cool-core cluster RX J1720.1+2638 with LOFAR at 54 MHz

49 citations · 239 across the 19 of their papers we have counts for

collaborators

21 papers

astro-ph.GA2026

The MIni-Halos in MIni-Clusters (MIMIC) project: New insights into the origin of mini-halos from a LOFAR, uGMRT, and MeerKAT study of diffuse radio emission in Abell 496 and ZwCl 235

F. Ubertosi, S. Giacintucci, A. Botteon +18

We aim at investigating the presence of diffuse radio emission in low-mass (M M), relaxed galaxy clusters. We present a pilot study for the MIMI…

astro-ph.CO2026

A "MeerKAT-meets-LOFAR" Study of 2A 0335+096: Discovery of a Complex 500 kpc Radio Halo in a Disturbed Cool-Core Cluster

C. J. Riseley, R. J. van Weeren, L. Lovisari +9

The emerging picture of radio haloes and mini-haloes in galaxy clusters is more blurred and far less distinct than once thought. While both trace cosmic ray electrons and magnetic…

astro-ph.CO2026

The giant radio source 0917+75: Origin and properties

G. Giovannini, N. Biava, M. Girardi +11

Context. Several author have studied the giant radio source GRS0917 + 75 , but its origin remains unclear. Aims. This source is unusual, because of its large size and its location…

astro-ph.GA2026

Unraveling the Imprints of Fluctuation-dynamo on the Intracluster Medium with the SKA

Aritra Basu, Sharanya Sur, Nadia Biava +1

Studying the morphology and coherence scale of the magnetic fields in synchrotron emitting halos of galaxy clusters through detection of polarized synchrotron emission is important…

astro-ph.CO2026

Galaxy clusters in the LoTSS-DR3: Catalogues and detection pipeline for diffuse radio emission

C. Stuardi, G. Di Gennaro, A. Botteon +19

The third data release of the LOFAR Two-metre Sky Survey provides an unprecedented view of the northern sky at 144 MHz. While compact sources can be efficiently identified with aut…

astro-ph.HE2025★ 3 cited

The Advanced X-ray Imaging Satellite (AXIS) Community Science Book

Michael Koss, Nafisa Aftab, Steven W. Allen +395

The AXIS Community Science Book represents the collective effort of 592 scientists worldwide to define the transformative science enabled by the Advanced X-ray Imaging Satellite (A…

astro-ph.CO2025★ 1 cited

Resurging from the ashes: A spectral study of seven candidate revived radio fossils in nearby low-mass galaxy clusters

L. Bruno, A. Botteon, D. Dallacasa +17

Complex energy transfer processes in the intracluster medium (ICM) can revive fossil (with spectral ages Myr) plasma initially generated by radio galaxies. This leads to t…

astro-ph.GA2025★ 20 cited

The Evolutionary Map of the Universe: A new radio atlas for the southern hemisphere sky

A. M. Hopkins, A. Kapinska, J. Marvil +70

We present the Evolutionary Map of the Universe (EMU) survey conducted with the Australian Square Kilometre Array Pathfinder (ASKAP). EMU aims to deliver the touchstone radio atlas…

astro-ph.GA2024★ 1 cited

A JVLA, LOFAR, e-Merlin, VLBA and EVN study of RBS 797: can binary SMBHs explain the outburst history of the central radio galaxy?

Francesco Ubertosi, Marcello Giroletti, Myriam Gitti +9

We present a multi-frequency (144 MHz - 9 GHz) and multi-scale (5 pc - 50 kpc) investigation of the central radio galaxy in RBS 797, by means of JVLA, LOFAR (with international sta…

astro-ph.CO2024★ 5 cited

Abell 0399-Abell 0401 radio bridge spectral index: the first multifrequency detection

G. V. Pignataro, A. Bonafede, G. Bernardi +12

Recent low-frequency radio observations at 140 MHz discovered a 3 Mpc-long bridge of diffuse emission connecting the galaxy clusters Abell 0399 and Abell 0401. We present follow-up…

astro-ph.CO2024★ 1 cited

First evidence of a connection between cluster-scale diffuse radio emission in cool-core galaxy clusters and sloshing features

N. Biava, A. Bonafede, F. Gastaldello +15

Radio observations of a few cool-core galaxy clusters have revealed the presence of diffuse emission on cluster scales, similar to what was found in merging clusters in the form of…

astro-ph.CO2024

A 'MeerKAT-meets-LOFAR' study of the complex multi-component (mini-)halo in the extreme sloshing cluster Abell 2142

C. J. Riseley, A. Bonafede, L. Bruno +7

Clusters of galaxies are turbulent environments, whether merging systems with a turbulent intracluster medium (ICM) or relaxed systems sloshing within the potential well. In many s…

astro-ph.CO2023

Shock imprints on the radio mini halo in RBS797

A. Bonafede, M. Gitti, N. La Bella +11

In this work, we analysed new LOw Frequency ARray observations of the mini halo in the cluster RBS797, together with archival Very Large Array observations and the recent Chandra r…

astro-ph.CO2023★ 26 cited

A three-component giant radio halo: the puzzling case of the galaxy cluster Abell 2142

L. Bruno, A. Botteon, T. Shimwell +16

Turbulence introduced into the intra-cluster medium (ICM) through cluster merger events transfers energy to non-thermal components, and can trigger the formation of diffuse synchro…

astro-ph.GA2023★ 19 cited

A MeerKAT-meets-LOFAR study of Abell 1413: a moderately disturbed non-cool-core cluster hosting a kpc 'mini'-halo

C. J. Riseley, N. Biava, G. Lusetti +12

Many relaxed cool-core clusters host diffuse radio emission on scales of hundreds of kiloparsecs: mini-haloes. However, the mechanism responsible for generating them, as well as th…

astro-ph.GA2023★ 8 cited

New filamentary remnant radio emission and duty cycle constraints in the radio galaxy NGC 6086

S. Candini, M. Brienza, A. Bonafede +6

Radio galaxies are a subclass of active galactic nuclei in which accretion onto the supermassive black hole releases energy via relativistic jets. The jets are not constantly activ…

astro-ph.HE2022★ 2 cited

The Coma cluster at LOFAR frequencies II: the halo, relic, and a new accretion relic

A. Bonafede, G. Brunetti, L. Rudnick +26

We present LOw Frequency ARray observations of the Coma cluster field at 144\,MHz. The cluster hosts one of the most famous radio halos, a relic, and a low surface-brightness bridg…

astro-ph.HE2021★ 33 cited

A MeerKAT-meets-LOFAR Study of MS 1455.0+2232: A 590 kiloparsec 'Mini'-Halo in a Sloshing Cool-Core Cluster

C. J. Riseley, K. Rajpurohit, F. Loi +13

Radio mini-haloes are poorly-understood, moderately-extended diffuse radio sources that trace the presence of magnetic fields and relativistic electrons on scales of hundreds of ki…

astro-ph.GA2021★ 49 cited

The ultra-steep diffuse radio emission observed in the cool-core cluster RX J1720.1+2638 with LOFAR at 54 MHz

N. Biava, F. de Gasperin, A. Bonafede +17

Diffuse radio emission at the centre of galaxy clusters has been observed both in merging clusters on scales of Mpc, called giant radio haloes, and in relaxed systems with a cool-c…

astro-ph.HE2021★ 39 cited

Constraining the AGN duty cycle in the cool-core cluster MS 0735.6+7421 with LOFAR data

Nadia Biava, Marisa Brienza, Annalisa Bonafede +6

MS 0735.6+7421 is a galaxy cluster which hosts a central radio galaxy with a very steep spectrum, produced by one of the most powerful known jetted active galactic nuclei (AGN). Th…

astro-ph.GA2019★ 32 cited

The lifetime of binary black holes in Sérsic galaxy models

Nadia Biava, Monica Colpi, Pedro R. Capelo +5

In the local universe, black holes of M are hosted in galaxies displaying a variety of stellar profiles and morphologies. These black holes are the anticipated…