@article{7a6908861c6f41d7bdd07fe8887a580f,
title = "Planck 2018 results: I. Overview and the cosmological legacy of Planck",
abstract = "The European Space Agency's Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave and submillimetre sky continuously between 12 August 2009 and 23 October 2013, producing deep, high-resolution, all-sky maps in nine frequency bands from 30 to 857 GHz. This paper presents the cosmological legacy of Planck, which currently provides our strongest constraints on the parameters of the standard cosmological model and some of the tightest limits available on deviations from that model. The 6-parameter ΛCDM model continues to provide an excellent fit to the cosmic microwave background data at high and low redshift, describing the cosmological information in over a billion map pixels with just six parameters. With 18 peaks in the temperature and polarization angular power spectra constrained well, Planck measures five of the six parameters to better than 1% (simultaneously), with the best-determined parameter (θ∗) now known to 0.03%. We describe the multi-component sky as seen by Planck, the success of the ΛCDM model, and the connection to lower-redshift probes of structure formation. We also give a comprehensive summary of the major changes introduced in this 2018 release. The Planck data, alone and in combination with other probes, provide stringent constraints on our models of the early Universe and the large-scale structure within which all astrophysical objects form and evolve. We discuss some lessons learned from the Planck mission, and highlight areas ripe for further experimental advances.",
keywords = "Cosmic background radiation, Cosmology: observations, Cosmology: theory, Surveys",
author = "{Planck Collaboration} and N. Aghanim and Y. Akrami and F. Arroja and M. Ashdown and J. Aumont and C. Baccigalupi and M. Ballardini and Banday, {A. J.} and Barreiro, {R. B.} and N. Bartolo and S. Basak and R. Battye and K. Benabed and Bernard, {J. P.} and M. Bersanelli and P. Bielewicz and Bock, {J. J.} and Bond, {J. R.} and J. Borrill and Bouchet, {F. R.} and F. Boulanger and M. Bucher and C. Burigana and Butler, {R. C.} and E. Calabrese and Cardoso, {J. F.} and J. Carron and B. Casaponsa and A. Challinor and Chiang, {H. C.} and Colombo, {L. P.L.} and C. Combet and D. Contreras and Crill, {B. P.} and F. Cuttaia and {De Bernardis}, P. and {De Zotti}, G. and J. Delabrouille and Delouis, {J. M.} and D{\'e}sert, {F. X.} and T. Ghosh and J. Hamann and J. Kim and M. Kunz and Lawrence, {C. R.} and Ma, {Y. Z.} and M. Maris and Meerburg, {P. D.} and C. Sirignano and White, {S. D.M.}",
note = "Funding Information: Acknowledgements. The development of Planck has been supported by: ESA; CNES and CNRS/INSU-IN2P3-INP (France); ASI, CNR, and INAF (Italy); NASA and DoE (USA); STFC and UKSA (UK); CSIC, MICINN, JA, and RES (Spain); Tekes, AoF, and CSC (Finland); DLR and MPG (Germany); CSA (Canada); DTU Space (Denmark); SER/SSO (Switzerland); RCN (Norway); SFI (Ireland); FCT/MCTES (Portugal); and PRACE (EU). A description of the Planck Collaboration and a list of its members, including the technical or scientific activities in which they have been involved, can be found at http:// www.cosmos.esa.int/web/planck/planck-collaboration. In addition, we thank Sol{\`e}ne Chabanier and Nathalie Palanque-Delabrouille for computing the Ly α forest constraints we have used in Fig. 19 and Inigo Zubeldia for preparing Fig. 32. Publisher Copyright: {\textcopyright} ESO 2020.",
year = "2020",
month = sep,
day = "1",
doi = "10.1051/0004-6361/201833880",
language = "English",
volume = "641",
journal = "Astronomy and Astrophysics",
issn = "0004-6361",
publisher = " EDP Sciences",
}