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The Beautiful Mess in Abell 2255

The Beautiful Mess in Abell 2255

Abstract We present LOFAR observations of one of the most spectacular objects in the radio sky: Abell 2255. This is a nearby ( z = 0.0806) merging galaxy cluster hosting one of the first radio halos ever detected in the intracluster medium (ICM). The deep LOFAR images at 144 MHz …