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Deep VLA observations of the cluster 1RXS J0603.3+4214 in the frequency range 1-2 GHz
K. Rajpurohit, M. Hoeft, R. J. van Weeren +11
We report L-band VLA observations of 1RXS J0603.3+4214, a cluster that hosts a bright radio relic, known as the Toothbrush, and an elongated giant radio halo. These new observation…
An Automated Scalable Framework for Distributing Radio Astronomy Processing Across Clusters and Clouds
A. P. Mechev, J. B. R. Oonk, A. Danezi +5
The Low Frequency Array (LOFAR) radio telescope is an international aperture synthesis radio telescope used to study the Universe at low frequencies. One of the goals of the LOFAR…
Reassessment of an origin of the radio structure of J1420-0545
M. Jamrozy, J. Machalski, B. Nikiel-Wroczynski +1
In this paper, we test the possibility that the structure of the largest radio galaxy J1420-0545 may have been formed by restarted rather than primary jet activity. This hypothesis…
LOFAR reveals the giant: a low-frequency radio continuum study of the outflow in the nearby FR I radio galaxy 3C 31
V. Heesen, J. H. Croston, R. Morganti +21
We present a deep, low-frequency radio continuum study of the nearby Fanaroff--Riley class I (FR I) radio galaxy 3C 31 using a combination of LOw Frequency ARray (LOFAR; 30--85 and…
Gentle re-energisation of electrons in merging galaxy clusters
F. de Gasperin, H. T. Intema, T. W. Shimwell +6
Galaxy clusters are the most massive constituents of the large-scale structure of the Universe. While the hot thermal gas that pervades galaxy clusters is relatively well understoo…
LOFAR discovery of an ultra-steep radio halo and giant head-tail radio galaxy in Abell 1132
A. Wilber, M. Brüggen, A. Bonafede +16
LOFAR observations at 144 MHz have revealed large-scale radio sources in the unrelaxed galaxy cluster Abell 1132. The cluster hosts diffuse radio emission on scales of 650 kp…