Fig. 8.
Radio contours in the field of MACS J0520.7−1328, including 1WGA J0521.0−1333. The cD galaxy at the center of MACS J0520.7−1328 (top-right in the figure) is a strong radio and X-ray source; the diffuse X-ray emission of 1WGA J0521.0−1333 is centred near the S1+S2 position. D1 is the relic source discussed in the text. The HPBW is 24″. Contours are drawn at (3, 6, 9, 12, 24, 48) × σ with a noise level of σ = 0.023 mJy per beam.
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