Fig. 3
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Scattered foreground radiation by Galactic free electrons. From top to bottom: Stokes parameters I, Q, U, intensities of the polarisation mode, and polarisation degrees, in unit of µKCMB , except that the dimension of polarisation degree is unit-less. From left to right: maps at 30 GHz, 100 GHz, and 353 GHz. The maps use logarithmic colour mapping for the temperature mode and linear colour mapping for the others.
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