Fig. 15.

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Difference maps between two frequency map samples, smoothed to a common angular resolution of 7° FWHM. Rows show, from top to bottom, the 30, 44 and 70 GHz frequency channels, while columns show, from left to right, the temperature and Stokes Q and U parameters. Monopoles of 2.8, 1.6, and −0.5 μK have been subtracted from the three temperature components, respectively.

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