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Probing the origin of diffuse radio emission in the cool-core of the Phoenix galaxy cluster
Ramij Raja, Majidul Rahaman, Abhirup Datta +7
Cool core galaxy clusters are considered to be dynamically relaxed clusters with regular morphology and highly X-ray luminous central region. However, cool core clusters can also b…
Revived Fossil Plasma Sources in Galaxy Clusters
S. Mandal, H. T. Intema, R. J. van Weeren +10
It is well established that particle acceleration by shocks and turbulence in the intra-cluster medium can produce cluster-scale synchrotron emitting sources. However, the detailed…
A probabilistic approach to direction-dependent ionospheric calibration
J. G. Albert, M. S. S. L. Oei, R. J. van Weeren +2
Calibrating for direction-dependent ionospheric distortions in visibility data is one of the main technical challenges that must be overcome to advance low-frequency radio astronom…
Particle acceleration in a nearby galaxy cluster pair: the role of cluster dynamics
A. Botteon, R. Cassano, D. Eckert +17
Diffuse radio emission associated with the intra-cluster medium (ICM) is observed in a number of merging galaxy clusters. It is currently believed that in mergers a fraction of the…
LOFAR discovery of a radio halo in the high-redshift galaxy cluster PSZ2 G099.86+58.45
R. Cassano, A. Botteon, G. Di Gennaro +15
In this Letter, we report the discovery of a radio halo in the high-redshift galaxy cluster PSZ2 G099.86+58.45 () with the LOw Frequency ARray (LOFAR) at 120-168 MHz. This…
The Karl G. Jansky Very Large Array Sky Survey (VLASS). Science case and survey design
M. Lacy, S. A. Baum, C. J. Chandler +75
The Very Large Array Sky Survey (VLASS) is a synoptic, all-sky radio sky survey with a unique combination of high angular resolution (2.5"), sensitivity (a 1 goal of 70…