LOFAR discovery and wide-band characterisation of an ultra-steep spectrum AGN radio remnant associated with Abell 1318

A. Shulevski, M. Brienza, F. Massaro +15

We present the discovery of a very extended (550 kpc) and low-surface-brightness ($3.3\mu \mathrm{Jy}arcse{c}^{-2}$ at 144 MHz) radio emission region in Abell 1318. These propert…