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Fig. 11.


Left panel: profiles of the average standard deviation as a function of distance from compact LoTSS-DR1 sources in various integrated flux density bins. The integrated flux density bins were chosen to contain equal numbers of sources (110) and they vary from 25.0 mJy to 26.2 mJy (blue) to 510 mJy to 6820 mJy (red). The errors are 95% confidence intervals on the median values derived from the bootstrap method. Right panel: an estimate of the area in which the noise is 15% (green), 50% (blue), and 100% (red) higher than the thermal noise due to dynamic-range limitations around a bright source; the points show the measured values and the dotted lines show the best-fitting curves.

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