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Kenda Knowles – Keeping a MeerKAT eye on galaxy clusters
Aug 13 @ 11:00 am - 11:30 am
Thursday 13 August 2020
11:00 – 11:30 via Zoom
Dr Kenda Knowles (UKZN)
Keeping a MeerKAT eye on Galaxy Clusters
Galaxy clusters are the largest structures that we know of bound together by gravity, and lie at the intersection of cosmology and astrophysics. In the radio, some galaxy clusters are found to host Mpc-scale diffuse emission. This is synchrotron emission caused by high energy particles spiralling in a magnetic field. This diffuse emission is therefore critical for understanding the non-thermal physics and magnetic fields in cluster environments, aspects difficult to probe at other wavelengths. I will discuss some of the work I’ve been doing with MeerKAT to study this emission, and introduce the MeerKAT Galaxy Cluster Legacy Survey, a heterogeneous sample of radio and X-ray selected galaxy clusters observed over the past two years with the full array.
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