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Fig. 4


MERLIN image at 5.0 GHz with a resolution of 46 × 44 mas at position angle  −75°. The beam is shown at the bottom-right corner. Contours levels are a geometric progression in square root of 2, starting from 5 times the off-source rms of 64 μJy/beam. The position of the 26 compact radio sources detected by our EVN observations are shown with crosses or diamonds (A1 and A5)

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