Fig. 6.
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Constraints on βν at nearly full-sky fsky = 0.92, where we have included the 30 and 44 GHz maps from the LFI. We ignore the intrinsic EB of the foreground emission, and the 1σ-band shows the constraints from the power law measurement, βν = β0(ν/ν0)n, where ν0 = 150 GHz. The dashed green line with the 1σ-band shows the frequency-independent β.
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