Fig. 4.
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Comparison of the raw (top row) and leakage corrected (second row) Planck 30 GHz channel. The third and fourth rows show the individual bandpass and beam leakage corrections, respectively. Columns shows Stokes T, Q, and U parameters. All maps have been smoothed to an angular resolution of 1° FWHM, except for the bottom row, which has been smoothed to 2° FWHM.
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