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Fig. C.1.
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Spectral index error maps at 16″ (left) and 46″ (right) resolutions. The LOFAR 141 MHz contours of [1, 2, 4, 8, 16] × 3σ, where σLOFAR = 345 μJy beam−1 (left) and 190 μJy beam−1 (right), are overlaid.
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