Planck 2018 results

Akrami, Y.; Arroja, F.; Ashdown, M.; Aumont, J.; Baccigalupi, C.; Ballardini, M.; Banday, A. J.; Barreiro, R. B.; Bartolo, N.; Basak, S.; Benabed, K.; Bernard, J.-P.; Bersanelli, M.; Bielewicz, P.; Bock, J. J.; Bond, J. R.; Borrill, J.; Bouchet, F. R.; Boulanger, F.; Bucher, M.; Burigana, C.; Butler, R. C.; Calabrese, E.; Cardoso, J.-F.; Carron, J.; Challinor, A.; Chiang, H. C.; Colombo, L. P. L.; Combet, C.; Contreras, D.; Crill, B. P.; Cuttaia, F.; Bernardis, P. de; Zotti, G. de; Delabrouille, J.; Delouis, J.‐M.; Valentino, E. Di; Diego, J. M.; Donzelli, S.; Doré, O.; Douspis, M.; Ducout, A.; Dupac, X.; Dusini, S.; Efstathiou, G.; Elsner, F.; Enßlin, T. A.; Eriksen, H. K.; Fantaye, Y.; Fergusson, J.; Fernández-Cobos, R.; Finelli⋆, F.; Forastieri, F.; Frailis, M.; Franceschi, E.; Frolov, A.; Galeotta, S.; Galli, S.; Ganga, K; Gauthier, C.; Génova-Santos, R. T.; Gerbino, M.; Ghosh, T.; González-Nuevo, J.; Górski, K. M.; Gratton, S.; Gruppuso, A.; Gudmundsson, J. E.; Hamann, J.; Handley, Will; Hansen, F. K.; Herranz, D.; Hivon, E.; Hooper, Deanna C.; Huang, Zhiqi; Jaffe, A. H.; Jones, W. C.; Keihänen, E.; Keskitalo, R.; Kiiveri, K.; Kim, J.; Kisner, T. S.; Krachmalnicoff, N.; Kunz, M.; Kurki‐Suonio, H.; Lagache, G.; Lamarre, J.–M.; Lasenby, A.; Lattanzi, M.; Lawrence, C. R.; Jeune, M. Le; Lesgourgues, J.; Levrier, F.; Lewis, Antony; Liguori, M.; Lilje, P. B.; Lindholm, V.; López-Caniego, M.; Lubin, P. M.; Ma, Yin-Zhe; Macías–Pérez, J. F.; Maggio, G.; Maino, D.; Mandolesi, N.; Mangilli, A.; Marcos-Caballero, A.; Maris, M.; Martin, P. G.; Martínez-González, E.; Matarrese, S.; Mauri, N.; McEwen, J. D.; Meerburg, P. Daniel; Meinhold, P. R.; Melchiorri, A.; Mennella, A.; Migliaccio, M.; Mitra, S.; Miville-Deschênes, M.-A.; Molinari, D.; Moneti, A.; Montier, L.; Morgante, G.; Moss, A.; Münchmeyer, Moritz; Natoli, P.; Nørgaard-Nielsen, H. U.; Pagano, L.; Paoletti, D.; Partridge, B.; Patanchon, G.; Peiris, Hiranya V.; Perrotta, F.; Pettorino, V.; Piacentini, F.; Polastri, L.; Polenta, G.; Puget, J.-L.; Rachen, J. P.; Reinecke, M.; Remazeilles, M.; Renzi, A.; Rocha, G.; Rosset, C.; Roudier, G.; Rubiño-Martín, J. A.; Ruiz-Granados, B.; Salvati, L.; Sandri, M.; Савелайнен, М.; Scott, D.; Shellard, E. P. S.; Shiraishi, Maresuke; Sirignano, C.; Sirri, G.; Spencer, L. D.; Sunyaev, R.; Suur-Uski, A.-S.; Tauber, J. A.; Tavagnacco, D.; Tenti, M.; Toffolatti, L.; Tomasi, M.; Trombetti, T.; Väliviita, J.; Tent, B. Van; Vielva, P.; Villa, F.; Vittorio, N.; Wandelt, B. D.; Wehus, I. K.; White, S. D. M.; Zacchei, A.; Zibin, J. P.; Zonca, A.

doi:10.1051/0004-6361/201833887

articleAstronomy and AstrophysicsOct 9, 2019HYBRID OA

Planck 2018 results

YAY. Akrami FAF. Arroja MAM. Ashdown JAJ. Aumont CBC. Baccigalupi

Leiden University · University of Oslo · +99 more institutions

Indexed incrossrefdatacitedoaj

Abstract

We report on the implications for cosmic inflation of the 2018 release of the Planck cosmic microwave background (CMB) anisotropy measurements. The results are fully consistent with those reported using the data from the two previous Planck cosmological releases, but have smaller uncertainties thanks to improvements in the characterization of polarization at low and high multipoles. Planck temperature, polarization, and lensing data determine the spectral index of scalar perturbations to be n s = 0.9649 ± 0.0042 at 68% CL. We find no evidence for a scale dependence of n s , either as a running or as a running of the running. The Universe is found to be consistent with spatial flatness with a precision of 0.4%…

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Topics & keywords

Topics

Keywords

Physics
Planck
Cosmic microwave background
Inflaton
Spectral index
Astrophysics
Bispectrum
CMB cold spot

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Peace, Justice and strong institutions

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