CMB angular power spectrum obtained from the SMICA fit of the model to the three different data sets used, corresponding to the masks with fsky= 0.3, 0.5, and 0.6 (top panel). In grey we show the best fit theoretical ΛCDM spectrum obtained with Plik. The three bottom panels show the residuals between theory and data for the three cases, together with the theoretical value of the angular power spectrum scaled to 20% power in grey. The black dashed line shows the total contribution of extragalactic foregrounds at 217 GHz. To enhance readability, only one point in four is plotted.
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