Marginalized mean and 68% error bars on cosmological parameters estimated with different data choices, assuming the ΛCDM model (unless otherwise labelled), derived from MCMC chains. We use the PlanckTT likelihood in combination with a prior τ = 0.07 ± 0.02. Excising the low multipoles, that is, ℓ < 30, substantially improves the agreement between the parameters from ℓ < 800 and the ℓ < 2500 range. Further agreement is then achieved when removing the effect of gravitational lensing.
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