Diffuse Radio Emission from Galaxy Clusters

Abstract

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 emission reveal the presence of cosmic rays and magnetic fields in the intracluster medium (ICM). We classify diffuse cluster radio sources into radio halos, cluster radio shocks (relics), and revived AGN fossil plasma sources. Radio halo sources can be further divided into giant halos, mini-halos, and possible `intermediate' sources. Halos are generally positioned at cluster center and their brightness approximately follows the distribution of the thermal ICM. Cluster radio shocks (relics) are polarized sources mostly found in the cluster's periphery. They trace merger induced shock waves. Revived fossil plasma sources are characterized by their radio steep-spectra and often irregular morphologies. In this review we give an overview of the properties of diffuse cluster radio sources, with an emphasis on recent observational results. We discuss the resulting implications for the underlying physical acceleration processes that operate in the ICM, the role of relativistic fossil plasma, and the properties of ICM shocks and magnetic fields. We also compile an updated list of diffuse cluster radio sources which will be available on-line http://galaxyclusters.com. We end this review with a discussion on the detection of diffuse radio emission from the cosmic web.

To appear in Space Science Reviews, 56 pages, 31 figures; For associated data see http://galaxyclusters.com

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• The spectral index image of the radio halo in the cluster Abell 520 hosting a famous bow shock
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• Sloshing Gas in the Core of the Most Luminous Galaxy Cluster RXJ1347.5-1145
• Can giant radio halos probe the merging rate of galaxy clusters?
• Diffuse radio emission in MACS J1752.0+4440
• An unlikely radio halo in the low X-ray luminosity galaxy cluster RXC J1514.9-1523
• Diffuse radio emission from the Intracluster medium
• Spectral Index Studies of the Diffuse Radio Emission in Abell 2256: Implications to Merger Activity
• PKS B1400-33: an unusual radio relic in a poor cluster
• Shock Acceleration Model for the Toothbrush Radio Relic
• An Ultra-Steep Spectrum Radio Relic in the Galaxy Cluster Abell 2443
• The impact of the SZ effect on cm-wavelength (1-30 GHz) observation of galaxy cluster radio relics
• MC${}^2$: Dynamical Analysis of the Merging Galaxy Cluster MACS J1149.5+2223
• Radio Emission in the Cosmic Web
• Comparisons of Cosmological MHD Galaxy Cluster Simulations to Radio Observations
• A multi-instrument non-parametric reconstruction of the electron pressure profile in the galaxy cluster CLJ1226.9+3332
• Polarization of cluster radio halos with upcoming radio interferometers
• Internal dynamics of Abell 1240: a galaxy cluster with symmetric double radio relics
• Observations of the galaxy cluster CIZA J2242.8+5301 with the Sardinia Radio Telescope
• Detection of diffuse radio emission at large distance from the center of the galaxy cluster A2255
• A distant radio mini-halo in the Phoenix galaxy cluster
• New Limits On Gamma-Ray Emission From Galaxy Clusters
• New radio halos and relics in clusters of galaxies
• Detection of diffuse radio emission in the galaxy clusters A800, A910, A1550, and CL1446+26
• KAT-7 observations of a mass-selected sample of galaxy clusters
• Discovery of a giant radio halo in a new Planck galaxy cluster PLCKG171.9-40.7
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• AGN duty cycle estimates for the ultra-steep spectrum radio relic VLSS J1431.8+1331
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• How unusual is the cool-core radio halo cluster CL1821+643 ?
• The origin of the diffuse non-thermal X-ray and radio emission in the Ophiuchus cluster of galaxies
• Testing the radio halo-cluster merger scenario. The case of RXCJ2003.5-2323
• The large-scale diffuse radio emission in A781
• The complex structure of Abell 2345: a galaxy cluster with non-symmetric radio relics
• Evidence for a pressure discontinuity at the position of the Coma relic from Planck Sunyaev-Zel'dovich effect data
• Non-thermal emission in the core of Perseus: results from a long XMM-Newton observation
• Diffuse cluster-like radio emission in poor environments
• JVLA S and X-band Polarimetry of the Merging Cluster Abell 2256
• Simulations of the Galaxy Cluster CIZA J2242.8+5301 I: Thermal Model and Shock Properties
• Bow shock in merging cluster A520: the edge of the radio halo and the electron-ion equilibration timescale
• Optical analysis of the poor clusters Abell 610, Abell 725, and Abell 796, containing diffuse radio sources
• Diffuse radio sources in the cluster of galaxies Abell 548b
• Radio Relics Tracing the Projected Mass Distribution in CIZA J2242.8+5301
• Measurements of the Cosmological Evolution of Magnetic Fields with the Square Kilometre Array
• A Possible Shock Wave in the Intergalactic Medium of the Cluster of Galaxies A754
• An elusive radio halo in the merging cluster Abell 781?
• Search for WHIM around A2744 using Suzaku
• A Newly-Discovered Radio Halo in Merging Cluster MACS J2243.3-0935
• Internal dynamics of the galaxy cluster Abell 959
• A study of spectral curvature in the radio relic in Abell 4038 using the uGMRT
• A stacking method to study the gamma-ray emission of source samples based on the co-adding of Fermi LAT count maps
• The Swift BAT Perspective on Non-thermal Emission in HIFLUGCS Galaxy Clusters
• The nature of the giant diffuse non-thermal source in the A3411-A3412 complex
• Diffuse radio emission in MACS J0025.4$-$1222: the effect of a major merger on bulk separation of ICM components
• Internal dynamics of Abell 2294: a massive, likely merging cluster
• A giant radio halo in a low-mass SZ-selected galaxy cluster: ACT-CL J0256.5+0006
• Diffuse Radio Emission in Abell 754
• A Radio Relic and a Search for the Central Black Hole in the Abell 2261 Brightest Cluster Galaxy
• Inverse-Compton Emission from Clusters of Galaxies: Predictions for ASTRO-H
• Discovery of large-scale diffuse radio emission and of a new galaxy cluster in the surroundings of MACSJ0520.7-1328
• New JVLA observations at 3 GHz and 5.5 GHz of the `Kite' radio source in Abell 2626
• First detection at 5.5 and 9 GHz of the radio relics in bullet cluster with ATCA
• MC^2: A deeper look at ZwCl 2341.1+0000 with Bayesian galaxy clustering and weak lensing analyses
• Discovery of large-scale diffuse radio emission in low-mass galaxy cluster Abell 1931
• Radio emission from weak spherical shocks in the outskirts of galaxy clusters
• A diffuse bubble-like radio-halo source MRC 0116+111: imprint of AGN feedback in a low-mass cluster of galaxies
• Discovery of a fourth arc in Abell 2626 at 610 MHz with the GMRT: Spectral properties and possibilities for the origin
• Shock Acceleration Model with Postshock Turbulence for Giant Radio Relics
• The structure of Abell 1351: a bimodal galaxy cluster with peculiar diffuse radio emission
• Discovery of large scale shock fronts correlated with the radio halo and radio relic in the A2163 galaxy cluster
• Multi-wavelength Observations of the Dissociative Merger in the Galaxy Cluster CIZA J0107.7+5408
• Tracing low-mass galaxy clusters with radio relics: the discovery of Abell 3527-bis
• Evidence for a merger-revived radio phoenix in MaxBCG J217.95869+13.53470
• Structure of Abell 1995 from optical and X-ray data: a galaxy cluster with an elongated radio halo
• Spectral Analysis of RXTE Observations of A3667
• Diffuse radio emission in the complex merging galaxy cluster Abell 2069
• Suzaku and Chandra observations of the galaxy cluster RXC J1053.7+5453 with a radio relic
• Re-acceleration model for the `Sausage' Radio Relic
• Suzaku Constraints on the Soft and Hard Excess Emissions from Abell 2199
• A search for extended radio emission from selected compact galaxy groups
• Complex diffuse emission in the $z=0.52$ cluster PLCK~G004.5-19.5
• Probing magnetic fields with Square Kilometre array and its precursors
• The peculiar cluster MACS J0417.5-1154 in the C and X-bands

Cited by in corpus (312)

• Radio galaxies and feedback from AGN jets
• LOFAR observations of galaxy clusters in HETDEX
• The MeerKAT Galaxy Cluster Legacy Survey I. Survey Overview and Highlights
• Shock acceleration efficiency in radio relics
• The LOFAR LBA Sky Survey I. survey description and preliminary data release
• The Planck clusters in the LOFAR sky. I. LoTSS-DR2: new detections and sample overview
• Science objectives of the Einstein Probe mission
• Second order Fermi reacceleration mechanisms and large scale synchrotron radio emission in intra-cluster bridges
• Discovery of Magnetic Fields Along Stacked Cosmic Filaments as Revealed by Radio and X-Ray Emission
• The beautiful mess in Abell 2255
• Turbulent pressure support and hydrostatic mass-bias in the intracluster medium
• New constraints on the magnetization of the cosmic web using LOFAR Faraday rotation observations
• MeerKAT view of the diffuse radio sources in Abell 3667 and their interactions with the thermal plasma
• The Three Hundred Project: correcting for the hydrostatic-equilibrium mass bias in X-ray and SZ surveys
• Fast magnetic field amplification in distant galaxyclusters
• Unexpected Circular Radio Objects at High Galactic Latitude
• NGC 326: X-shaped no more
• New mysteries and challenges from the Toothbrush relic: wideband observations from 550 MHz to 8 GHz
• Expanding the sample of radio minihalos in galaxy clusters
• The Coma cluster at LOFAR frequencies I: insights into particle acceleration mechanisms in the radio bridge
• Galaxy clusters enveloped by vast volumes of relativistic electrons
• Encounters of Merger and Accretion Shocks in Galaxy Clusters and their Effects on Intracluster Medium
• Magnetic fields and relativistic electrons fill entire galaxy cluster
• Radio footprints of a minor merger in the Shapley Supercluster: From supercluster down to galactic scales
• Tempestuous life beyond R_500: X-ray view on the Coma cluster with SRG/eROSITA. I. X-ray morphology, recent merger, and radio halo connection
• Shocks and non-thermal particles in clusters of galaxies
• Morphology of radio relics I: What causes the substructure of synchrotron emission?
• Physical insights from the spectrum of the radio halo in MACS J0717.5+3745
• Polarisation of Radio Relics in Galaxy Clusters
• The ultra-steep diffuse radio emission observed in the cool-core cluster RX J1720.1+2638 with LOFAR at 54 MHz
• Revived Fossil Plasma Sources in Galaxy Clusters
• Intracluster magnetic filaments and an encounter with a radio jet
• The intra-cluster magnetic field in the double relic galaxy cluster Abell 2345
• Radio observations of the merging galaxy cluster system Abell 3391-Abell 3395
• Magnetogenesis around the first galaxies: the impact of different field seeding processes on galaxy formation
• Radio and X-ray connection in radio mini-halos: implications for hadronic models
• Simulating the transport of relativistic electrons and magnetic fields injected by radio galaxies in the intracluster medium
• The Planck clusters in the LOFAR sky: IV: LoTSS-DR2: statistics of radio halos and re-acceleration models
• Detecting shocked intergalactic gas with X-ray and radio observations
• How merger-driven gas motions in galaxy clusters can turn AGN bubbles into radio relics
• Magnetization of the intergalactic medium in the IllustrisTNG simulations: the importance of extended, outflow-driven bubbles
• The galaxy group NGC 507: newly detected AGN remnant plasma transported by sloshing
• On the relation between mini-halos and AGN feedback in clusters of galaxies
• Runaway Merger Shocks in Galaxy Cluster Outskirts and Radio Relics
• Deep low-frequency radio observations of Abell 2256 I: The filamentary radio relic
• Constraining the AGN duty cycle in the cool-core cluster MS 0735.6+7421 with LOFAR data
• Discovering the most elusive radio relic in the sky: Diffuse Shock Acceleration caught in the act?
• Interactions Between Radio Galaxies and Cluster Shocks - 1: Jet Axes Aligned with Shock Normals
• The LOFAR and JVLA view of the distant steep spectrum radio halo in MACS J1149.5+2223
• Head-to-Toe Measurement of El Gordo: Improved Analysis of the Galaxy Cluster ACT-CL J0102-4915 with New Wide-field Hubble Space Telescope Imaging Data
• Radio fossils, relics, and haloes in Abell 3266: cluster archaeology with ASKAP-EMU and the ATCA
• A Diffusive Shock Acceleration Model for Protons in Weak Quasi-parallel Intracluster Shocks
• Observations of a Pre-Merger Shock in Colliding Clusters of Galaxies
• Deep Synoptic Array science: Two fast radio burst sources in massive galaxy clusters
• Understanding the radio relic emission in the galaxy cluster MACS J0717.5+3745: spectral analysis
• Particle acceleration in a nearby galaxy cluster pair: the role of cluster dynamics
• Turbulence Dynamo in Galaxy Clusters
• A Robust Model for Flux Density Calculations of Radio Halos in Galaxy Clusters: Halo-FDCA
• Discovery of a Supercluster in the eROSITA Final Equatorial Depth Survey: X-ray Properties, Radio Halo, and Double Relics
• The discovery of radio halos in the Frontier Fields clusters Abell S1063 and Abell 370
• The Planck clusters in the LOFAR sky VI. LoTSS-DR2: Properties of radio relics
• MWA and ASKAP observations of atypical radio-halo-hosting galaxy clusters: Abell 141 and Abell 3404
• The Dust and Molecular Gas in the Brightest Cluster Galaxy in MACS 1931.8-2635
• The detection of cluster magnetic fields via radio source depolarisation
• A MeerKAT-meets-LOFAR Study of MS 1455.0+2232: A 590 kiloparsec 'Mini'-Halo in a Sloshing Cool-Core Cluster
• Effects of Multi-scale Plasma Waves on Electron Preacceleration at Weak Quasi-perpendicular Intracluster Shocks
• Analytical model for cluster radio relics
• A joint XMM-NuSTAR observation of the galaxy cluster Abell 523: constraints on Inverse Compton emission
• A perfect power-law spectrum even at highest frequencies: The Toothbrush relic
• Downstream depolarization in the Sausage relic: a 1-4 GHz Very Large Array study
• CRESCENDO: An on-the-fly Fokker-Planck Solver for Spectral Cosmic Rays in Cosmological Simulations
• Simulations and observational tests of primordial magnetic fields from Cosmic Microwave Background constraints
• Abell 1033: Radio halo and gently reenergized tail at 54 MHz
• Polarized accretion shocks from the cosmic web
• Exemplary Merging Clusters: Weak-lensing and X-ray Analysis of the Double Radio Relic Merging Galaxy Clusters MACS 1752.0+4440 and ZWCL 1856.8+6616
• On the small scale turbulent dynamo in the intracluster medium: A comparison to dynamo theory
• New constraints on the magnetic field in filaments of the cosmic web
• LOFAR high-band antenna observations of the Perseus cluster
• Decoding the giant extragalactic radio sources
• Deep low-frequency radio observations of Abell 2256 II: The ultra-steep spectrum radio halo
• A candle in the wind: a radio filament in the core of the A3562 galaxy cluster
• Constraining the dark matter contribution of $\gamma$ rays in Cluster of galaxies using Fermi-LAT data
• Shock waves in the magnetized cosmic web: the role of obliquity and cosmic-ray acceleration
• Measuring cavity powers of active galactic nuclei in clusters using a hybrid X-ray-radio method -- A new window on feedback opened by subarcsecond LOFAR-VLBI observations
• Tempestuous life beyond R500: X-ray view on the Coma cluster with SRG/eROSITA. II. Shock & Relic
• A three-component giant radio halo: the puzzling case of the galaxy cluster Abell 2142
• Diffuse galaxy cluster emission at 168 MHz within the Murchison Widefield Array Epoch of Reionization 0-hour field
• Turbulent magnetic fields in the merging galaxy cluster MACS J0717.5+3745: polarization analysis
• Nonthermal phenomena in the center of Abell 1775: An 800 kpc head-tail, revived fossil plasma and slingshot radio halo
• Limiting the shock acceleration of cosmic-ray protons in the ICM
• Discovery of Peculiar Radio Morphologies with ASKAP using Unsupervised Machine Learning
• Probing Magnetic Field Morphology in Galaxy Clusters with the Gradient Technique
• Diffuse Radio Emission from Galaxy Clusters in the LOFAR Two-metre Sky Survey Deep Fields
• Life cycle of cosmic-ray electrons in the intracluster medium
• Morphology of radio relics II: Properties of polarised emission
• The Planck clusters in the LOFAR sky. III. LoTSS-DR2: Dynamic states and density fluctuations of the intracluster medium
• Synchrotron Intensity Gradient Revealing Magnetic Fields in Galaxy Clusters
• Reconstruction of Radio Relics and X-ray Tails in an Off-axis Cluster Merger: Hydrodynamical Simulations of A115
• Spectro-polarimetric observations of the CIZA J2242.8+5301 northern radio relic: no evidence of high-frequency steepening
• Ultra-Steep Spectrum Radio `Jellyfish' Uncovered in Abell 2877
• MERGHERS Pilot: MeerKAT discovery of diffuse emission in nine massive Sunyaev-Zel'dovich-selected galaxy clusters from ACT
• Connecting turbulent velocities and magnetic fields in galaxy cluster simulations with active galactic nuclei jets
• Radio relics in PSZ2 G096.88+24.18: A connection with pre-existing plasma
• Detailed study of extended gamma-ray morphology in the vicinity of the Coma cluster with Fermi-LAT
• Dynamical heating of the X-ray emitting intracluster medium: the roles of merger shocks and turbulence dissipation
• A Chandra study of Abell 795 -- a sloshing cluster with a FR0 radio galaxy at its center
• A LOFAR view into the stormy environment of the galaxy cluster 2A0335+096
• LOFAR discovery of a radio halo in the high-redshift galaxy cluster PSZ2 G099.86+58.45
• Statistical Properties of Radio Halos in Galaxy Clusters and Origin of Seed Electrons for Reacceleration
• Surface brightness discontinuities in radio halos. Insights from the MeerKAT Galaxy Cluster Legacy Survey
• The unusually weak and exceptionally steep radio relic in Abell 2108
• Diffuse radio emission in the galaxy cluster SPT-CL J2031-4037: a steep spectrum intermediate radio halo?
• A MeerKAT-meets-LOFAR study of Abell 1413: a moderately disturbed non-cool-core cluster hosting a $\sim 500$ kpc 'mini'-halo
• Multiwavelength Analysis of A1240, the Double Radio Relic Merging Galaxy Cluster Embedded in a ~80 Mpc-long Cosmic Filament
• Discovery of a radio halo (and relic) in a $M_{500}<2\times 10^{14}$ M${}_{\odot }$ cluster
• A merger shock in Abell 1367
• Probing cluster magnetism with embedded and background radio sources in Planck clusters
• MINOT: Modeling the intracluster medium (non-)thermal content and observable prediction tools
• VLA resolves unexpected radio structures in the Perseus cluster of galaxies
• The merging galaxy cluster Abell 3266 at low radio frequencies
• High-resolution, High-sensitivity, Low-frequency uGMRT View of Coma Cluster of Galaxies
• Using the polarization properties of double radio relics to probe the turbulent compression scenario
• Cosmic Ray Acceleration and Nonthermal Radiation at Accretion Shocks in the Outer Regions of Galaxy Clusters
• SoUthern Cluster sCale Extended Source Survey (SUCCESS): A GMRT and MeerKAT study of nine massive galaxy clusters
• Introducing PT-REX, the Point-to-point TRend EXtractor
• An X-ray and Radio Study of the Hubble Frontier Field Cluster Abell S1063
• SPT-CL J2032-5627: a new Southern double relic cluster observed with ASKAP
• Gamma-ray and Neutrino Emissions due to Cosmic-Ray Protons Accelerated at Intracluster Shocks in Galaxy Clusters
• ViCTORIA project: The LOFAR HBA Virgo Cluster Survey
• The prototypical major cluster merger Abell 754. I. Calibration of MeerKAT data and radio/X-ray spectral mapping of the cluster
• Plasma physics of the intracluster medium
• Low-frequency radio study of MACS clusters at 610 and 235 MHz using the GMRT
• Diffuse radio emission from non-Planck galaxy clusters in the LoTSS-DR2 fields
• Gas Density Perturbations in Cool Cores of CLASH Galaxy Clusters
• Simulated Interactions Between Radio Galaxies and Cluster Shocks -- 2: Jet Axes Orthogonal to Shock Normals
• Signatures from a merging galaxy cluster and its AGN population: LOFAR observations of Abell 1682
• GMRT unveils steep-spectrum antique filaments in the galaxy cluster Abell 725
• Rotation Measure synthesis applied on synthetic SKA images of galaxy clusters
• Redshift estimates for fast radio bursts and implications on intergalactic magnetic fields
• Chandra and XMM-Newton observations of A2256: cold fronts, merger shocks, and constraint on the IC emission
• The MeerKAT Fornax Survey IV. A close look at the cluster physics through the densest rotation measure grid
• The thermal and non-thermal components within and between galaxy clusters Abell 399 and Abell 401
• ENISALA: II. Distinct Star Formation and Active Galactic Nucleus Activity in Merging and Relaxed Galaxy Clusters
• The SRG/eROSITA All-Sky Survey: View of the Virgo Cluster
• Discovery of a double radio relic in ZwCl1447.2+2619: A rare testbed for shock acceleration models with a peculiar surface brightness ratio
• Abell 1430: A merging cluster with exceptional diffuse radio emission
• Multiwavelength view of SPT-CL J2106-5844. The radio galaxies and the thermal and relativistic plasmas in a massive galaxy cluster merger at z~1.13
• Microinstabilities in the Transition Region of Weak Quasi-Perpendicular Intracluster Shocks
• The First Weak-lensing Analysis with the James Webb Space Telescope: SMACS J0723.3-7327
• Extragalactic Observatory Science with the ASTRI Mini-Array at the Observatorio del Teide
• A low frequency sub-arcsecond view of powerful radio galaxies in rich-cluster environments: 3C 34 and 3C 320
• Shocked Narrow-Angle Tail Radio Galaxies: Simulations and Emissions
• Probabilistic direction-dependent ionospheric calibration for LOFAR-HBA
• The diffuse radio emission in the high-redshift cluster PSZ2 G091.83+26.11: total intensity and polarisation analysis with Very Large Array 1-4 GHz observations
• A giant thin stellar stream in the Coma Galaxy Cluster
• The Mergers in Abell 2256: Displaced Gas and its Connection to the Radio-emitting Plasma
• Multi wavelength cross-correlation analysis of the simulated cosmic web
• Electron Preacceleration at Weak Quasi-perpendicular Intracluster Shocks: Effects of Preexisting Nonthermal Electrons
• LOFAR Detection of a Low-Power Radio Halo in the Galaxy Cluster Abell 990
• The effect of cluster dynamical state on ram-pressure stripping
• Very Large Array observations of the mini-halo and AGN feedback in the Phoenix cluster
• Extended X-ray emission around FR II radio galaxies: hotspots, lobes and galaxy clusters
• HST and HSC Weak-lensing Study of the Equal-mass Dissociative Merger CIZA J0107.7+5408
• A Multiwavelength Study of the Massive Cool Core Cluster MACS J1447.4+0827
• Evidence for strong intracluster magnetic fields in the early Universe
• A formation mechanism for "Wrong Way" Radio Relics
• Iron abundance distribution in the hot gas of merging galaxy clusters
• On the Challenges of Cosmic-Ray Proton Shock Acceleration in the Intracluster Medium
• Non-thermal filaments and AGN recurrent activity in the galaxy group Nest200047: a LOFAR, uGMRT, MeerKAT, VLA radio spectral analysis
• Rhapsody-C simulations -- Anisotropic thermal conduction, black hole physics, and the robustness of massive galaxy cluster scaling relations
• Radio halos and relics from extended cosmic-ray ion distributions with strong diffusion in galaxy clusters
• A shock near the virial radius of the Perseus Cluster
• Chandra Observations of the Spectacular A3411-12 Merger Event
• X-ray study of the merging galaxy cluster Abell 3411-3412 with XMM-Newton and Suzaku
• Cosmic dance in the Shapley Concentration Core II. The uGMRT-MeerKAT view of filaments in the brightest cluster galaxies and tailed radio galaxies in the A3528 cluster complex
• Deep Chandra observations of merging galaxy cluster ZwCl 2341+0000
• Electron Firehose Instabilities in High-$\beta$ ICM shocks
• 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
• Passive spirals and shock influenced star formation in the merging cluster A3376
• On the detection of multiple shock fronts in A1914 using deep Chandra X-ray observations
• Simulating the LOcal Web (SLOW) -- III: Synchrotron emission from the local cosmic web
• A probabilistic approach to direction-dependent ionospheric calibration
• Radio properties of ten nearby ultraluminous infrared galaxies with signatures of luminous buried active galactic nuclei
• A multishock scenario for the formation of radio relics
• Probing the origin of diffuse radio emission in the cool-core of the Phoenix galaxy cluster
• uGMRT detection of cluster radio emission in low-mass Planck~SZ clusters
• Mining Mini-Halos with MeerKAT I. Calibration and Imaging
• Puzzling large-scale polarization in the galaxy cluster Abell 523
• MeerKAT's discovery of a radio relic in the bimodal merging cluster A2384
• Prospects for $\gamma$-ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array
• ClG 0217+70: A massive merging galaxy cluster with a large radio halo and relics
• Probing particle acceleration in Abell 2256: from to 16 MHz to gamma rays
• Characterization of the decametre sky at subarcminute resolution
• Unveiling The Origin of Peculiar Diffuse Radio Emission in Abell 1351
• Reaching thermal noise at ultra-low radio frequencies: the Toothbrush radio relic downstream of the shock front
• A morphological analysis of the substructures in radio relics
• Manufacturing cosmic rays in the evolving dynamical states of galaxy clusters
• Double radio relics and radio halo in the high redshift galaxy cluster El Gordo with the Upgraded GMRT
• A low-frequency radio halo survey of the South Pole Telescope SZ-selected clusters with the GMRT
• The MeerKAT Galaxy Clusters Legacy Survey: star formation in massive clusters at 0.15 < z < 0.35
• Inflationary and phase-transitional primordial magnetic fields in galaxy clusters
• The peculiar WAT NGC 2329 with Seyfert/FR I-like radio lobes
• Weak-Lensing Analysis of the Complex Cluster Merger Abell 746 with Subaru/Hyper Suprime-Cam
• CHANG-ES XXXII: Spatially Resolved Thermal/Nonthermal Separation from Radio Data Alone -- New Probes into NGC 3044 and NGC 5775
• Classification of gamma-ray targets for velocity-dependent and subhalo-boosted dark-matter annihilation
• Radio-relic and the diffuse emission trail discovered in a low mass galaxy cluster Abell 1697
• The NuSTAR and Chandra view of CL 0217+70 and Its Tell-Tale Radio Halo
• Filamentary Baryons and Where to Find Them: A forecast of synchrotron radiation from merger and accretion shocks in the local Cosmic Web
• Indications of an offset merger in Abell 3667
• The MeerKAT Massive Distant Clusters Survey: A Radio Halo in a Massive Galaxy Cluster at z = 1.23
• Diffuse radio source candidate in CIZA J1358.9-4750
• Properties of Polarized Synchrotron Emission from Fluctuation Dynamo Action -- II. Effects of Turbulence Driving in the ICM and Beam Smoothing
• A major galaxy cluster merger caught by eROSITA: weak lensing mass distribution and kinematic description
• Magnetic dynamos in galaxy clusters: the crucial role of galaxy formation physics at high redshifts
• Imaging results from the legacy GMRT Galaxy Cluster Key Project
• The MeerKAT Massive Distant Clusters Survey: detection of diffuse radio emission in galaxy clusters at $z>1$
• Electron Re-acceleration via Ion Cyclotron Waves in the Intracluster Medium
• High-energy neutrino constraints on cosmic-ray re-acceleration in radio halos of massive galaxy clusters
• The Glow of Axion Quark Nugget Dark Matter: (II) Galaxy Clusters
• Weak Lensing analysis of Abell 2390 using short exposures
• Substructure analysis of the RXCJ0232.2-4420 galaxy cluster
• Multiple AGN activity during the BCG assembly of XDCPJ0044.0-2033 at z~1.6
• Growth and disruption in the Lyra complex
• A 600 kpc complex radio source at the center of Abell 3718 discovered by the EMU and POSSUM surveys
• Spectral study of the diffuse synchrotron source in the galaxy cluster Abell 523
• PITSZI: Probing Intra-cluster medium Turbulence with Sunyaev-Zel'dovich Imaging -- Application to the triple merging cluster MACS J0717.5+3745
• A Semi-Analytical Model for the Formation and Evolution of Radio Relics in Galaxy Clusters
• Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Resolving the Hot and Ionized Universe through the Sunyaev-Zeldovich effect
• Jet interaction with galaxy cluster mergers
• Cosmological simulations of the generation of cluster-scale radio emission from turbulent re-acceleration
• Sloshing and spiral structures breeding a putative radio mini-halo in the environment of a cool-core cluster Abell 795
• Abell 0399-Abell 0401 radio bridge spectral index: the first multifrequency detection
• Effect of turbulent reacceleration on electrons produced by dark matter annihilation in the Coma cluster
• Constraining the magnetic field in the galaxy cluster Abell 2142 using MeerKAT L-band polarisation data
• Electron-Ion Equilibration in the Merging Galaxy Cluster A665
• Euclid: Early Release Observations of ram-pressure stripping in the Perseus cluster. Detection of parsec scale star formation with in the low surface brightness stripped tails of UGC 2665 and MCG +07-07-070
• Constraining the average magnetic field in galaxy clusters with current and upcoming CMB surveys
• Constraints on the magnetic field in the inter-cluster bridge A399-A401
• A spectroscopic survey of Abell 1703: is it a rare relaxed cluster hosting a radio halo or a usual merging system?
• Cluster outskirts and their connection to the cosmic web
• Magnetic fields and extraordinarily bright radio emission in the X-ray faint galaxy group MRC 0116+111
• Effects of Forcing on Shocks and Energy Dissipation in Interstellar and Intracluster Turbulences
• Radio multifrequency observations of galaxy clusters. The Abell 399$-$401 pair
• One of Everything: The Breakthrough Listen Exotica Catalog
• Radio Observations as a Probe of Cosmic Web Magnetism
• CHEX-MATE: New detections and properties of the radio diffuse emission in massive clusters with MeerKAT
• Galactic Traversability: A New Concept for Extragalactic SETI
• The effect of magnetic field on the inner Galactic rotation curve
• Possible non-thermal origin of the hard X-ray emission in the merging galaxy cluster SPT-CL J2031-4037
• Non-thermal emission in galaxy groups at extremely low frequency: the case of A1213
• Deep Chandra observations of PLCKG287.0+32.9: a clear detection of a shock front in a heated former cool core
• Cosmic-ray electrons and the magnetic field of the North Polar Spur
• Energy Dissipation in Strong Collisionless Shocks: The Crucial Role of Ion-to-Electron Scale Separation in Particle-in-Cell Simulations
• An upper limit calculator (UL-CALC) for undetected extended sources with radio interferometers: radio halo upper limits
• Post-processing of galaxies due to major cluster mergers I. hints from galaxy colours and morphologies
• Optical/X-ray/radio view of Abell 1213: A galaxy cluster with anomalous diffuse radio emission
• The dynamical state of RXCJ1230.7+3439: a multi-substructured merging galaxy cluster
• Revisiting the Dragonfly Galaxy I. High-resolution ALMA and VLA Observations of the Radio Hotspots in a Hyper-luminous Infrared Galaxy at $z=1.92$
• Magnetic reconnection: an alternative explanation of radio emission in galaxy clusters
• Relighting the fire in Hickson Compact Group (HCG) 15: magnetised fossil plasma revealed by the SKA Pathfinders & Precursors
• Fast and "lossless" propagation of relativistic electrons along magnetized non-thermal filaments in galaxy clusters and the Galactic Center region
• The Coma cluster at LOFAR frequencies II: the halo, relic, and a new accretion relic
• Simulated Rotation Measure Sky from Primordial Magnetic Fields
• VLBI Detection of an Active Radio Source Potentially Driving 100-kpc Scale Emission in the Ultraluminous Infrared Galaxy IRAS F01004$-$2237
• The Intracluster Light of Abell 3667: Unveiling an Optical Bridge in LSST Precursor Data
• Somewhere in between: Tracing the Radio Emission from Galaxy Groups (or Why Does the Future of Observing Galaxy Groups with Radio Telescopes Look Promising?)
• Plasma Constraints on the Millicharged Dark Matter
• Deciphering the spectral properties of the atypical radio relic in A115 using uGMRT, VLA, and LOFAR
• The Complexity and Information Content of Simulated Universes
• MeerKAT discovery of GHz radio emission extending from Abell 3017 toward Abell 3016
• Galaxy-cluster-stacked Fermi-LAT II: extended central hadronic signal
• The LOFAR sub-arcsecond view of the high-redshift radio relic in PSZ2G091.83+26.11
• Discovery of large-scale radio emission enveloping the mini-halo in the most X-ray luminous galaxy cluster RX~J1347.5-1145
• Combined LOFAR-uGMRT analysis of the diffuse radio emission in the massive clusters Abell 773 and Abell 1351
• Radio halos in a mass-selected sample of 75 galaxy clusters. I. Sample selection and data analysis
• Witnessing a Galaxy Cluster Merger with JWST and a Chandra X-ray Temperature Map
• Merger of massive galaxy cluster CL0238.3+2005 at z~0.4: just after pericenter passage?
• Simulating cosmic ray electron spectra and radio emission from an AGN jet outburst in a cool-core cluster
• The Evolutionary Map of the Universe Pilot Survey
• Radio Halo Detection in MWA Data using Deep Neural Networks and Generative Data Augmentation
• Enhanced radio emission between a galaxy cluster pair
• A deep study of A399-401: An application for wide-field facet calibration
• Excess of diffuse gamma-ray emission detected from the galaxy cluster Abell 119 from 14-year Fermi-LAT Data
• Cool-core, X-ray cavities and cold front revealed in RXCJ0352.9+1941 cluster by Chandra and GMRT observations
• Small-scale dynamo with finite correlation times
• uGMRT and MeerKAT observation of RXCJ0232-4420: a quiet cluster with a giant radio halo
• Acceleration of cosmic rays by double shock waves in galaxy clusters: application to radio relics
• MOSS I: Double radio relics in the Saraswati supercluster
• Relativistic ions with power-law spectra explain radio phoenixes
• On the Origin of Diffuse Radio Emission in Abell 85 -- Insights from new GMRT Observations
• Particle Reacceleration by Turbulence and Radio Constraints on Multi-Messenger High-Energy Emission from the Coma Cluster
• The mechanism of efficient electron acceleration at parallel non-relativistic shocks
• Power-law Spectrum of Energetic Particles in Classical Thermal Equilibrium by Pitch-angle Scattering Process
• The structure of cluster merger shocks: turbulent width and the electron heating timescale
• Low-frequency integrated radio spectra of diffuse, steep-spectrum sources in galaxy clusters: palaeontology with the MWA and ASKAP
• A Model of EUV Emission from Clusters of Galaxies
• Constraints on dark matter annihilation and turbulent reacceleration set by high-frequency observations of the radio halo in the Coma cluster
• A LOFAR-uGMRT spectral index study of distant radio halos
• MIGHTEE: total intensity radio continuum imaging and the COSMOS / XMM-LSS Early Science fields
• Probing the evolution of galaxy clusters using SZ effect and non-thermal emission: first results from A1413
• Observations of the galaxy cluster CL 0217+70 and its surrounding region at 1.4 GHz with the Sardinia Radio Telescope
• Radially polarized synchrotron from galaxy-cluster virial shocks
• Probing AGN duty cycle and cluster-driven morphology in a giant episodic radio galaxy
• A new shock in the pre-merging cluster pair 1E2215-2216
• Time-Dependent Cosmic Ray Halos from Bursty Star Formation and Active Galactic Nuclei: Semi-Analytic Formalism and Galaxy Formation Implications
• Evidence of sloshing-driven mini-halo formation in the cool-core cluster RXCJ1558.3-1410
• The Optical Properties of Host Galaxies of Radio Sources in the Coma Cluster
• Cosmological simulation of a radio synchrotron bridge between pre-merging galaxy clusters
• A high-resolution study of the double radio relic system in MACS J1752.0+4440
• The MeerKAT Massive Distant Clusters Survey: a search for diffuse radio emission in 30 massive SZ-selected clusters at $z>1$
• Galaxy clusters in the LoTSS-DR3: Catalogues and detection pipeline for diffuse radio emission
• Multi-wavelength insights into the pulsar wind nebula candidate near 1LHAASO J0343+5254u: an obscured merging galaxy cluster?