LOFAR discovery of an ultra-steep radio halo and giant head–tail radio galaxy in Abell 1132
LOFAR discovery of an ultra-steep radio halo and giant head–tail radio galaxy in Abell 1132
Low-Frequency Array (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 ∼650 kpc near the cluster centre and a head–tail (HT) radio galaxy, extending up to 1 Mpc, south of the cluster centre. …