654 citations · 12.9k across the 278 of their papers we have counts for
112 papers · 1 filter
Odd radio circle J1555+2726: Observational evidence for shock re-acceleration of fossil plasma
L. Bruno, B. Koribalski, R. P. Norris +7
Context. Odd radio circles (ORCs) are peculiar extragalactic sources recently discovered. They are characterised by one or more bright rings extending on scales of hundreds of kilo…
Cosmic Evolution Survey: LOFAR 144 MHz imaging of the COSMOS field
E. Vardoulaki, T. Shimwell, M. J. Hardcastle +18
We present the first deep, targeted LOFAR 144 MHz source catalogue of the COSMOS field, together with the first 144 MHz source counts in this field. The data comprise 48 h of obser…
The LOFAR Two-metre Sky Survey: VII. Third Data Release
T. W. Shimwell, M. J. Hardcastle, C. Tasse +99
We present the third data release of the LOFAR Two-metre Sky Survey (LoTSS-DR3). The survey images cover 88% of the northern sky and were created from 12,950 hrs of data (18.6 PB)…
Complex morphology and precession indicators of AGN jets in LoTSS DR2
Maya Horton, Martin Hardcastle, George Miley +2
The LOw Frequency ARray Two-metre Sky Survey second data release (LoTSS DR2) covers 27\% of the northern sky and contains around four million radio sources. The development of this…
Relighting the fire in Hickson Compact Group (HCG) 15: magnetised fossil plasma revealed by the SKA Pathfinders & Precursors
C. J. Riseley, T. Vernstrom, L. Lovisari +26
In the context of the life cycle and evolution of active galactic nuclei (AGN), the environment plays an important role. In particular, the over-dense environments of galaxy groups…
Non-thermal filaments and AGN recurrent activity in the galaxy group Nest200047: a LOFAR, uGMRT, MeerKAT, VLA radio spectral analysis
M. Brienza, K. Rajpurohit, E. Churazov +15
Nest200047 is a clear example of multiple radio bubbles from an Active Galactic Nucleus (AGN) in a galaxy group, featuring non-thermal filaments likely shaped by buoyancy, gas moti…
The Jet Paths of Radio AGN and their Cluster Weather
E. Vardoulaki, V. Backöfer, A. Finoguenov +21
We studied bent radio sources within X-ray galaxy groups in the COSMOS and XMM-LSS fields, using radio data from the MeerKAT International GHz Tiered Extragalactic Explorations dat…
LOFAR Deep Fields: Probing the sub-mJy regime of polarized extragalactic sources in ELAIS-N1. II. Analysis
S. Piras, C. Horellou, J. Conway +7
Deep polarization surveys at low radio frequencies are key to cosmic magnetism studies: Larger catalogs of polarized extragalactic sources and increased precision on Faraday rotati…
A hidden Active Galactic Nuclei population: the first radio luminosity functions constructed by physical process
Leah K. Morabito, R. Kondapally, P. N. Best +10
Both star formation (SF) and Active Galactic Nuclei (AGN) play an important role in galaxy evolution. Statistically quantifying their relative importance can be done using radio lu…
A GMRT 610 MHz radio survey of the North Ecliptic Pole (NEP, ADF-N) / Euclid Deep Field North
Glenn J. White, L. Barrufet, S. Serjeant +17
This paper presents a 610 MHz radio survey covering 1.94 square degrees around the North Ecliptic Pole (NEP), which includes parts of the AKARI (ADF-N) and Euclid, Deep Fields Nort…
The twisted jets and magnetic fields of the extended radio galaxy 4C 70.19
M. Weżgowiec, M. Jamrozy, K. T. Chyży +4
The appearance of the jets and lobes of some radio galaxies makes it difficult to assign them to a known class of objects. This is often due to the activity of the central engine a…
Core prominence as a signature of restarted jet activity in the LOFAR radio-galaxy population
Dhanya G. Nair, Raffaella Morganti, Marisa Brienza +6
(abridged) Characterizing duty cycles of recurrent phases of dormancy and activity in supermassive black holes in active galactic nuclei is crucial in understanding impact of energ…
A Deep Dive into the NGC 741 Galaxy Group: Insights into a Spectacular Head-Tail Radio Galaxy from VLA, MeerKAT, uGMRT and LOFAR
K. Rajpurohit, E. O'Sullivan, G. Schellenberger +17
We present deep, wideband multifrequency radio observations (144 MHz8 GHz) of the remarkable galaxy group NGC 741, which yield crucial insights into the interaction between the…
Faraday tomography of LoTSS-DR2 data: III. Revealing the Local Bubble and the complex of local interstellar clouds in the high-latitude inner Galaxy
Ana Erceg, Vibor Jelić, Marijke Haverkorn +4
In this work, we present a new mosaic created with the second release of LOFAR Two-Metre Sky Survey data (LoTSS-DR2), which probes polarised synchrotron emission in the high-latitu…
LOFAR HBA Observations of the Euclid Deep Field North (EDFN)
M. Bondi, R. Scaramella, G. Zamorani +19
We present the first deep (72 hours of observations) radio image of the Euclid Deep Field North (EDFN) obtained with the LOw-Frequency ARray (LOFAR) High Band Antenna (HBA) at 144…
PEARLS: JWST counterparts of micro-Jy radio sources in the Time Domain Field
S. P. Willner, H. B. Gim, M. del Carmen Polletta +38
The Time Domain Field (TDF) near the North Ecliptic Pole in JWST's continuous-viewing zone will become a premier "blank field" for extragalactic science. JWST/NIRCam data in a 16 a…
The LOFAR Two-Metre Sky Survey (LoTSS): VI. Optical identifications for the second data release
M. J. Hardcastle, M. A. Horton, W. L. Williams +49
The second data release of the LOFAR Two-Metre Sky Survey (LoTSS) covers 27% of the northern sky, with a total area of deg. The high angular resolution of LOFAR wi…
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…
ViCTORIA project: The LOFAR HBA Virgo Cluster Survey
H. W. Edler, F. de Gasperin, T. W. Shimwell +15
The Virgo cluster is the nearest massive galaxy cluster and thus a prime target to study astrophysical processes in dense large-scale environments. In the radio band, we can probe…
The LOFAR Two-metre Sky Survey Deep Fields Data Release 1: V. Survey description, source classifications and host galaxy properties
P. N. Best, R. Kondapally, W. L. Williams +26
Source classifications, stellar masses and star formation rates are presented for 80,000 radio sources from the first data release of the Low Frequency Array Two-metre Sky Survey (…
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
G. Di Gennaro, M. Brüggen, R. J. van Weeren +8
We present the peculiar case of PSZ2G091.83+26.11 at z=0.822. This cluster hosts a Mpc-scale radio halo and an elongated radio source, whose location with the respect to the intrac…
Ram-pressure stripped radio tail and two ULXs in the spiral galaxy HCG 97b
Dan Hu, Michal Zajaček, Norbert Werner +11
We report LOFAR and VLA detections of extended radio emission in the spiral galaxy HCG 97b, hosted by an X-ray bright galaxy group. The extended radio emission detected at 144 MHz,…
LOFAR Deep Fields: Probing faint Galactic polarised emission in ELAIS-N1
Iva Šnidarić, Vibor Jelić, Maaijke Mevius +13
We present the first deep polarimetric study of Galactic synchrotron emission at low radio frequencies. Our study is based on 21 observations of the European Large Area Infrared Sp…
AGN feedback in an infant galaxy cluster: the LOFAR-Chandra view of the giant FRII radio galaxy J103025+052430 at z=1.7
M. Brienza, R. Gilli, I. Prandoni +19
In the nearby universe jets from AGN are observed to have a dramatic impact on their surrounding extragalactic environment. Their effect at the `cosmic noon' (z>1.5), the epoch whe…