Planck 2018 results
Open Access

Fig. 72.

image

Best-fit cosmological parameters from 100 simulations (grey circles) of the PlikTE (left) and PlikEE (right) power-spectra, conditioned on the PlikTT power spectrum, assuming as a fiducial cosmology the best-fit of the ΛCDM TT+SimAllresults (green circle). The blue lines show the means of the simulations, while the blue bands show the standard deviations of the simulations, centred on the means. The points are ordered from lowest to highest values of 𝒫 parameter, defined in Eq. (61), and shown in the bottom-right panels. The best fits from the real data combinations PlikEE+τ and PlikTE+τ are shown with red circles and lines and yellow circles, respectively. Both data and simulations are run in combination with a Gaussian prior on τ centred on the fiducial value from the TT best-fit and with an uncertainty comparable to the one provided when using SimAll, i.e., with τ = 0.052 ± 0.009. The best fits for the fiducial EE or TE power spectra, without added scatter, are shown with dark grey circles. All of the results shown here were obtained using the camb code (Lewis et al. 2000) and are maximum-likelihood best fits. These plots demonstrate that the best-fit cosmology from either TE or EE is consistent with that obtained from TT.

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