Planck 2018 results
Open Access

Fig. 1.


Planck 2018 CMB angular power spectra. The data are compared with the base-ΛCDM best fit to the Planck TT,TE,EE+lowE+lensing data (blue curves). For each panel we also show the residuals with respect to this baseline best fit. Plotted are 𝒟 = ( + 1)C/(2π) for TT and TE, C for EE, and for lensing. For TT, TE, and EE, the multipole range 2 ≤  ≤ 29 shows the power spectra from Commander (TT) and SimAll (TE, EE), while at  ≥ 30 we display the co-added frequency spectra computed from the Plik cross-half-mission likelihood, with foreground and other nuisance parameters fixed to their best-fit values in the base-ΛCDM cosmology. For the Planck lensing potential angular power spectrum, we show the conservative (orange dots; used in the likelihood) and aggressive (grey dots) cases. Note some of the different horizontal and vertical scales on either side of  = 30 for the temperature and polarization spectra and residuals.

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