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Fig. 3.

Fig. 3. Refer to the following caption and surrounding text.

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Radio images of the MACS J1752+4440 cluster at 7″ resolution. Top Left: LOFAR image at 144 MHz with noise of σrms, 144 = 280 μJy beam−1. Top Right: uGMRT image at 416 MHz with noise of σrms, 416 = 70 μJy beam−1. Bottom Left: uGMRT image at 650 MHz with noise of σrms, 650 = 23 μJy beam−1. Bottom Right: JVLA image at 1.6 GHz with noise of σrms, 1600 = 15 μJy beam−1. Images have a common angular resolution of 7″ × 7″ and contour levels are drawn at [ − 3, 3, 9, 18, 36, 72]×σrms; the negative contour is shown as a dashed line. The color scale is logarithmic, and beam and scale bar are shown at the bottom of the images.

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