Planck 2018 TE power spectrum. Figure conventions are similar to those of Fig. 57. In the multipole range 2 ≤ ℓ ≤ 29, we plot the power spectrum estimates from the SimAll likelihood (although this is not used in the baseline parameter analysis for ℓ ≤ 29; see the discussion of Sect. 2.2.6). Bottom panels: difference between the 2015 and 2018 coadded high-multipole spectra (green points). The red and orange lines correspond to the effect of the beam-leakage correction and the addition of the beam-leakage and the polarization-efficiency corrections, respectively. Both corrections were absent in the 2015 data. The light green points show the difference between the 2015 and 2018 coadded spectrum, after correction of the 2015 data by these two effects. The difference here is dominated by the leakage correction.
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