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Fig. 15.

Fig. 15. Refer to the following caption and surrounding text.

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Synchrotron spectral index as a function of the region number obtained in this work (orange), COSMOGLOBE DR1 (black), and de la Hoz et al. (2023) (green). The data shown in green are the inverse-variance-weighted mean of spectral index and uncertainties computed from βs and σβs maps of de la Hoz et al. (2023) over regions.

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