654 citations · 9.5k across the 164 of their papers we have counts for
105 papers · 1 filter
CHEX-MATE: X-ray surface brightness discontinuities across a representative cluster sample
Maria Giulia Campitiello, Stefano Ettori, Lorenzo Lovisari +20
We analyze the presence of X-ray surface brightness (SB) discontinuities, such as shocks and cold fronts, in the intracluster medium (ICM) of the 116 galaxy clusters from the CHEX-…
The plethora of diffuse emission in Abell 2034 as revealed by MeerKAT polarization observations
A. Bonafede, M. Balboni, G. W. Pratt +15
We present MeerKAT observations of the galaxy cluster Abell 2034, a massive (M_500=5.21 10^14 solar masses) nearby cluster in a merging state. Previous observations at 144 MHz have…
The topology of the magnetic field in Abell 2255 out to its virial radius. Results from the LOFAR Galaxy Cluster Ultra-Deep Field
A. Botteon, R. J. van Weeren, Y. Hu +14
We present the LOFAR Galaxy Cluster Ultra-Deep Field, in which 336 h of LOFAR observations at 120168 MHz have been collected on the nearby () cluster Abell 2255. This m…
Radio Halos in Galaxy Clusters as unveiled by the SKA telescope
R. Cassano, G. Di Gennaro, V. Cuciti +24
Giant radio halos (RHs) are diffuse, Mpc-scale synchrotron sources observed in a growing fraction of galaxy clusters. They trace relativistic particles and magnetic fields in the i…
The Large-Scale Structure of the Universe through the SKA lenses
Virginia Cuciti, Surajit Paul, Viral Parekh +11
The large-scale distribution of galaxies in the Universe forms an intricate, interconnected network known as the cosmic web. Cosmological simulations within the standard Lambda-CDM…
The SKA View of Cool-core Clusters: Evolution of Radio Mini-halos and AGN Feedback
Myriam Gitti, Paolo Tozzi, Francesco Ubertosi +12
In about 70 per cent of relaxed, cool-core galaxy clusters, the brightest cluster galaxy (BCG) is radio loud, showing non-thermal radio jets and lobes ejected by the central active…
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…
MeerKAT observations of Abell 1775 and Abell 1795: the discovery of a hadronic radio halo?
R. J. van Weeren, E. Osinga, G. Brunetti +13
Giant radio haloes are diffuse synchrotron sources typically found in merging galaxy clusters, while smaller mini-haloes occur in cool-core clusters. Both trace cosmic-ray electron…
Combined LOFAR-uGMRT analysis of the diffuse radio emission in the massive clusters Abell 773 and Abell 1351
K. S. L. Srikanth, A. Botteon, R. Cassano +20
Radio halos are megaparsec-scale diffuse, non-thermal radio sources located at the centers of galaxy clusters, tracing relativistic particles and magnetic fields in the intra-clust…
CHEX-MATE: New detections and properties of the radio diffuse emission in massive clusters with MeerKAT
M. Balboni, F. Gastaldello, A. Bonafede +18
Modern radio telescopes are revolutionising our understanding of non-thermal phenomena in galaxy clusters, collecting large samples of extended sources with unprecedented sensitivi…
CHEX-MATE: Multi-probe analysis of Abell 1689
L. Chappuis, D. Eckert, M. Sereno +25
The nature of the elusive dark matter can be probed by comparing the predictions of the cold dark matter framework with the gravitational field of massive galaxy clusters. However,…
Double radio relics and radio halo in the high redshift galaxy cluster El Gordo with the Upgraded GMRT
R. Kale, A. Botteon, D. Eckert +5
Diffuse synchrotron radio sources associated with the intra-cluster medium of galaxy clusters are of special interest at high redshifts to understand the magnetization and particle…
Limits and challenges of the detection of cluster-scale diffuse radio emission at high redshift: The Massive and Distant Clusters of WISE Survey (MaDCoWS) in LoTSS-DR2
G. Di Gennaro, M. Brüggen, E. Moravec +14
Diffuse radio emission in galaxy clusters is a tracer of ultra-relativistic particles and G-level magnetic fields, and is thought to be triggered by cluster merger events. In th…
CHEX-MATE: Scaling relations of radio halo profiles for clusters in the LoTSS DR2 area
M. Balboni, S. Ettori, F. Gastaldello +21
The thermal and non-thermal components in galaxy clusters have properties that, although shaped from different physical phenomena, can share some similarities, mainly driven by the…
Serendipitous decametre detection of ultra steep spectrum radio emission in Abell 655
C. Groeneveld, R. J. van Weeren, A. Botteon +5
Some galaxy clusters contain non-thermal synchrotron emitting plasma permeating the intracluster medium (ICM). The spectral properties of this radio emission are not well character…
LOFAR high-band antenna observations of the Perseus cluster
R. J. van Weeren, R. Timmerman, V. Vaidya +13
The Perseus cluster is the brightest X-ray cluster in the sky and is known as a cool-core galaxy cluster. Being a very nearby cluster, it has been extensively studied. This has pro…
The radio halo in PLCKESZ G171.94 40.65: Beacon of merging activity
Ramananda Santra, Ruta Kale, Simona Giacintucci +6
We present the first multi-frequency analysis of the candidate ultra-steep spectrum radio halo in the galaxy cluster PLCKESZ G171.9440.65, using the upgraded Giant Metrewave Rad…
Mind the Gap between A2061 and A2067: Unveiling new diffuse large-scale radio emission
G. V. Pignataro, A. Bonafede, G. Bernardi +11
The clusters Abell 2061 and Abell 2067 in the Corona Borealis supercluster have been studied at different radio frequencies and are both known to host diffuse radio emission. The a…
Ultra-low frequency LOFAR spectral indices of cluster radio halos
T. Pasini, F. de Gasperin, M. Brüggen +11
A fraction of galaxy clusters harbor diffuse radio sources known as radio halos. The currently adopted scenario for their formation is based on second-order Fermi re-acceleration o…
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…
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…
CHEX-MATE: A LOFAR pilot X-rayradio study on five radio halo clusters
M. Balboni, F. Gastaldello, A. Bonafede +24
The connection between the thermal and non-thermal properties in galaxy clusters hosting radio halos seems fairly well established. However, a comprehensive analysis of such a conn…
Re-energisation of AGN head-tail radio galaxies in the galaxy cluster ZwCl0634.1+47474
G. Lusetti, F. de Gasperin, V. Cuciti +10
Low-frequency radio observations show an increasing number of radio galaxies located in galaxy clusters that display peculiar morphologies and spectral profiles. This is the result…
A Deep uGMRT view of the ultra steep spectrum radio halo in Abell 521
Ramananda Santra, Ruta Kale, Simona Giacintucci +8
We present the first detailed analysis of the ultra-steep spectrum radio halo in the merging galaxy cluster Abell 521, based on upgraded Giant Metrewave Radio telescope (uGMRT) obs…