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Fig. 3.
LOFAR 150 MHz mosaic of the Boötes field after beam correction. The size of the mosaic is approximately 20 deg2. The synthesised beam size is 3.98″ × 6.45″. The color scale varies from −0.5σc to 10σc, where σc = 55 μJy beam−1 is the rms noise in the central region.
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