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Fig. 1

image

Global mask used in the cross-correlation (CC) analysis (Mollweide projection in Galactic coordinates). It comprises the CIB mask (white region), the CO mask (light-blue), the free-free mask (beige), the Galactic mask (deep-blue), and the mask of point sources (turquoise). We use the red regions of the sky. We refer readers to Sect. 3 for a detailed description of how the global mask is defined.

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