Fig. 40
Posterior distributions of τ calculated by SimBaL from LFI × HFI cross-spectra. Top: results from simulations using 10 LFI systematic effect realizations, 83 HFPS1 realizations, and 100 CMB realizations with input reionization parameter τ = 0.05. Bottom: results from data, specifically the HFI pre-2016 maps at 100 and 143 GHz and the LFI 70-GHz 2015 released maps (Planck Collaboration VI 2016). Results from 70 × 100 and 70 × 143 are consistent.
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