Planck 2015 results. I. Overview of products and scientific results

Planck Collaboration: R. Adam , P. A. R. Ade , N. Aghanim , Y. Akrami , M. I. R. Alves , M. Arnaud , F. Arroja , J. Aumont

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C. Baccigalupi M. Ballardini A. J. Banday R. B. Barreiro J. G. Bartlett N. Bartolo S. Basak P. Battaglia E. Battaner R. Battye K. Benabed A. Beno\^it A. Benoit-L\'evy J.-P. Bernard M. Bersanelli B. Bertincourt P. Bielewicz A. Bonaldi L. Bonavera J. R. Bond J. Borrill F. R. Bouchet F. Boulanger M. Bucher C. Burigana R. C. Butler E. Calabrese J.-F. Cardoso P. Carvalho B. Casaponsa G. Castex A. Catalano A. Challinor A. Chamballu R.-R. Chary H. C. Chiang J. Chluba P. R. Christensen S. Church M. Clemens D. L. Clements S. Colombi L. P. L. Colombo C. Combet B. Comis D. Contreras F. Couchot A. Coulais B. P. Crill M. Cruz A. Curto F. Cuttaia L. Danese R. D. Davies R. J. Davis P. De Bernardis A. De Rosa G. de Zotti J. Delabrouille J.-M. Delouis F.-X. D\'esert E. Di Valentino C. Dickinson J. M. Diego K. Dolag H. Dole S. Donzelli O. Dor\'e M. Douspis A. Ducout J. Dunkley X. Dupac G. Efstathiou P. R. M. Eisenhardt F. Elsner T. A. En{\ss}lin H. K. Eriksen E. Falgarone Y. Fantaye M. Farhang S. Feeney J. Fergusson R. Fernandez-Cobos F. Feroz F. Finelli E. Florido O. Forni M. Frailis A. A. Fraisse C. Franceschet E. Franceschi A. Frejsel A. Frolov S. Galeotta S. Galli K. Ganga C. Gauthier R. T. G\'enova-Santos M. Gerbino T. Ghosh M. Giard Y. Giraud-H\'eraud E. Giusarma E. Gjerl{\o}w J. Gonz\'alez-Nuevo K. M. G\'orski K. J. B. Grainge S. Gratton A. Gregorio A. Gruppuso J. E. Gudmundsson J. Hamann W. Handley F. K. Hansen D. Hanson D. L. Harrison A. Heavens G. Helou S. Henrot-Versill\'e C. Hern\'andez-Monteagudo D. Herranz S. R. Hildebrandt E. Hivon M. Hobson W. A. Holmes A. Hornstrup W. Hovest Z. Huang K. M. Huffenberger G. Hurier S. Ili\'c A. H. Jaffe T. R. Jaffe T. Jin W. C. Jones M. Juvela A. Karakci E. Keih\"anen R. Keskitalo K. Kiiveri J. Kim T. S. Kisner R. Kneissl J. Knoche N. Krachmalnicoff M. Kunz H. Kurki-Suonio F. Lacasa G. Lagache A. L\"ahteenm\"aki J.-M. Lamarre M. Langer A. Lasenby M. Lattanzi C. R. Lawrence M. Le Jeune J. P. Leahy E. Lellouch R. Leonardi J. Le\'on-Tavares J. Lesgourgues F. Levrier A. Lewis M. Liguori P. B. Lilje M. Linden-V{\o}rnle V. Lindholm H. Liu M. L\'opez-Caniego P. M. Lubin Y.-Z. Ma J. F. Mac\'ias-P\'erez G. Maggio D. S. Y. Mak N. Mandolesi A. Mangilli A. Marchini A. Marcos-Caballero D. Marinucci D. J. Marshall P. G. Martin M. Martinelli E. Mart\'inez-Gonz\'alez S. Masi S. Matarrese P. Mazzotta J. D. McEwen P. McGehee S. Mei P. R. Meinhold A. Melchiorri J.-B. Melin L. Mendes A. Mennella M. Migliaccio K. Mikkelsen S. Mitra M.-A. Miville-Desch\^enes D. Molinari A. Moneti L. Montier R. Moreno G. Morgante D. Mortlock A. Moss S. Mottet M. M\"uenchmeyer D. Munshi J. A. Murphy A. Narimani P. Naselsky A. Nastasi F. Nati P. Natoli M. Negrello C. B. Netterfield H. U. N{\o}rgaard-Nielsen F. Noviello D. Novikov I. Novikov M. Olamaie N. Oppermann E. Orlando C. A. Oxborrow F. Paci L. Pagano F. Pajot R. Paladini S. Pandolfi D. Paoletti B. Partridge F. Pasian G. Patanchon T. J. Pearson M. Peel H. V. Peiris V.-M. Pelkonen O. Perdereau L. Perotto Y. C. Perrott F. Perrotta V. Pettorino F. Piacentini M. Piat E. Pierpaoli D. Pietrobon S. Plaszczynski D. Pogosyan E. Pointecouteau G. Polenta L. Popa G. W. Pratt G. Pr\'ezeau S. Prunet J.-L. Puget J. P. Rachen B. Racine W. T. Reach R. Rebolo M. Reinecke M. Remazeilles C. Renault A. Renzi I. Ristorcelli G. Rocha M. Roman E. Romelli C. Rosset M. Rossetti A. Rotti G. Roudier B. Rouill\'e d'Orfeuil M. Rowan-Robinson J. A. Rubi\~no-Mart\'in B. Ruiz-Granados C. Rumsey B. Rusholme N. Said V. Salvatelli L. Salvati M. Sandri H. S. Sanghera D. Santos R. D. E. Saunders A. Sauv\'e M. Savelainen G. Savini B. M. Schaefer M. P. Schammel D. Scott M. D. Seiffert P. Serra E. P. S. Shellard T. W. Shimwell M. Shiraishi K. Smith T. Souradeep L. D. Spencer M. Spinelli S. A. Stanford D. Stern V. Stolyarov R. Stompor A. W. Strong R. Sudiwala R. Sunyaev P. Sutter D. Sutton A.-S. Suur-Uski J.-F. Sygnet J. A. Tauber D. Tavagnacco L. Terenzi D. Texier L. Toffolatti M. Tomasi M. Tornikoski M. Tristram A. Troja T. Trombetti M. Tucci J. Tuovinen M. T\"urler G. Umana L. Valenziano J. Valiviita B. Van Tent T. Vassallo M. Vidal M. Viel P. Vielva F. Villa L. A. Wade B. Walter B. D. Wandelt R. Watson I. K. Wehus N. Welikala J. Weller M. White S. D. M. White A. Wilkinson D. Yvon A. Zacchei J. P. Zibin A. Zonca

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The European Space Agency's Planck satellite, dedicated to studying the early Universe and its subsequent evolution, was launched 14~May 2009 and scanned the microwave and submillimetre sky continuously between 12~August 2009 and 23~October 2013. In February~2015, ESA and the Planck Collaboration released the second set of cosmology products based on data from the entire Planck mission, including both temperature and polarization, along with a set of scientific and technical papers and a web-based explanatory supplement. This paper gives an overview of the main characteristics of the data and the data products in the release, as well as the associated cosmological and astrophysical science results and papers. The science products include maps of the cosmic microwave background (CMB), the thermal Sunyaev-Zeldovich effect, and diffuse foregrounds in temperature and polarization, catalogues of compact Galactic and extragalactic sources (including separate catalogues of Sunyaev-Zeldovich clusters and Galactic cold clumps), and extensive simulations of signals and noise used in assessing the performance of the analysis methods and assessment of uncertainties. The likelihood code used to assess cosmological models against the Planck data are described, as well as a CMB lensing likelihood. Scientific results include cosmological parameters deriving from CMB power spectra, gravitational lensing, and cluster counts, as well as constraints on inflation, non-Gaussianity, primordial magnetic fields, dark energy, and modified gravity.

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