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 $\sim$650 kp…