Fig. 2

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Maps of the spectral index, α (top) and its uncertainty, αerr (bottom) for BSBD43 (left) and BSBD60 (right). Only pixels with significance above 5σ were selected, which is 0.3 mJy beam−1 for BSBD43 and 1 mJy beam−1 for BSBD60; white dotted contours surround errors equal to 0.5. The maps are scaled for α=[−2,0.5] and αerr = [0,1]. All maps are PB corrected.
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