Planck 2018 results
Free Access

Fig. D.4.


Angular spectra for the CMB (blue lines), the CMB SZ-free version (green lines), and their difference spectra (red lines), computed on the SMICA confidence mask. Half-mission cross-spectra (solid line) and half-mission difference spectra (dashed line) are shown to assess the signal and noise differences between the two CMB maps.

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