Planck 2015 results

APAde, PARNAN. AghanimMAM. ArnaudMAM. AshdownJAJ. Aumont

Cardiff University · Université Paris-Saclay · +80 more institutions

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Abstract

This paper presents cosmological results based on full-mission Planck observations of temperature and polarization anisotropies of the cosmic microwave background (CMB) radiation. Our results are in very good agreement with the 2013 analysis of the Planck nominal-mission temperature data, but with increased precision. The temperature and polarization power spectra are consistent with the standard spatially-flat 6-parameter ΛCDM cosmology with a power-law spectrum of adiabatic scalar perturbations (denoted “base ΛCDM” in this paper). From the Planck temperature data combined with Planck lensing, for this cosmology we find a Hubble constant, H0 = (67.8 ± 0.9) km s-1Mpc-1, a matter density parameter Ωm = 0.308 ±…

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Topics & keywords

Keywords
  • Physics
  • Planck
  • Cosmic microwave background
  • Reionization
  • CMB cold spot
  • Astrophysics
  • Cosmology
  • Hubble's law
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