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Fig. 4.


Spectral index map between 1.7 and 9 GHz at resolution 9.5″ × 6.5″ (left) and associated error map (right). Contour levels are those of the lower frequency radio map. Near the core α ≤ 0.6. The jets have 0.7 ≤ α ≤ 0.9. The inner parts of the wings have 1.0 ≤ α ≤ 1.6.

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