Simulation, at 143 GHz, of the polarization efficiency error propagated to power spectra. Specifically plotted is the relative variance within logarithmic bins in the cross-spectra half-mission 1 × half-mission 2 (blue curves) and odd × even rings (red curves) difference without and with polarization efficiency uncertainties (of 0.5, 1.0, and 2%). The green curves show the noise level from the half-mission null test.
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