Speaker
Description
Galaxy clusters are the largest gravitationally-bound structures in the Universe,
with their baryonic mass being distributed between the constituent galaxies and the
ionized plasma of their intracluster medium (ICM). As such, radio observations of
galaxy clusters are powerful tools for the detection of diffuse cluster-scale
synchrotron emission, which carries information about the cluster formation history.
Observations using Square Kilometre Array precursor and pathfinder instruments are
nowadays opening up a new window on diffuse cluster sources and challenge our simple
classification scheme (radio halos, mini-halos, and radio relics), making clear the
need for an update of our current knowledge. Towards this direction the MeerKAT
telescope carried out a program of long-track observations of galaxy clusters in L-
band which became the MeerKAT’s Galaxy Cluster Legacy Survey (MGCLS), consisting of
~1000 hours, observing 115 galaxy clusters at 1.28 GHz spread out over the Southern
sky. In this talk, I will present an overview of the MGCLS, focusing on the diffuse
emission detected in galaxy clusters showing a few significant examples to reveal
both the much-improved radio images compared to previous observations, as well as new
discoveries that open up new areas of investigation in cluster formation and
evolution.
Level for award;(Hons, MSc, PhD, N/A)?
N/A
| Apply to be considered for a student ; award (Yes / No)? | No |
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