Fig. 39

Left: PlanckTT spectrum at low multipoles with 68% ranges on the posteriors. The “rainbow” band show the best fits to the entire Planck+WP+highL likelihood for the base ΛCDM cosmology, colour-coded according to the value of the scalar spectral index ns. Right: limits (68% and 95%) on the relative amplitude of the base ΛCDM fits to the Planck+WP likelihood fitted only to the Planck TT likelihood over the multipole range 2 ≤ ℓ ≤ ℓmax.
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