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Fig. 2


610 MHz (left panel) and 240 MHz (right panel) radio contours overlaid on their DSS optical images. The restoring beam is shown in lower left corner of each map. The contour levels are shown at the bottom of each map. The first lowest radio contour is about 4σ − 5σ of the rms noise value in each map. The source name and radio frequency is mentioned at the top left of each map. The same plotting convention is followed for other sources.

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