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Fig. 7


Histogram of the spectral index values from the image at 60′′ (black) and 39′′ (blue) resolution. These distributions have a mean value and a dispersion ⟨α60′′⟩ = 1.21 and σα60′′ = 0.23 at 60′′ and ⟨α39′′⟩ = 1.25 and σα39′′ = 0.22 at 39′′.

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