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Fig. 14.


Region of the LOFAR LBA sky survey re-imaged using direction-dependent calibration (rms noise: 1.3 mJy beam−1 - beam: 15″ × 15″). Top right: same field without direction-dependent calibration (as presented in this paper; rms noise: 3 mJy beam−1 – beam: 46″ × 32″). Green and blue regions show the location of the identified sources as described in 13. Bottom right: same field in the VLSSr survey (rms noise: 73 mJy beam−1 - beam: 80″ × 80″).

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