Fig. 3

BSCs that show radio emission. Gray scale colors: IR WISE emission (band 4, 22.2 μm). Contours: NVSS 1.4 GHz emission. Positive values in gray, negative in black. Contour levels on each image: top left, −1, 1, 1.5, 2, 5 mJy/b. Top right, −5, 1, 5 mJy/b. Middle left, −1, 1, 1.5, 20, 150 mJy/b. Middle right, −4, 4, 16, 30, 40 mJy/b. Bottom left, −1, 1, 2, 3 mJy/b. Bottom right, −10, 10, 30, 60, 90, 120, 160 mJy/b.
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