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Fig. 18.

image

Distributions of MBB background temperature (left) and spectral index (right). PCCS2 regions (high Galactic latitude) are green and zones where dust emission is dominant are blue, as defined by the PCCS2E cirrus and Galactic masks. Dashed lines mark the best-fit values for dust temperature (19.4 K) and β (1.6), from Planck Collaboration Int. XLVIII (2016).

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