Planck 2015 results - XIII. Cosmological parameters
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,M. Ashdown,J. Aumont,Carlo Baccigalupi,A. J. Banday,A. J. Banday,R. B. Barreiro,James G. Bartlett,James G. Bartlett,N. Bartolo,N. Bartolo,E. Battaner,Richard A. Battye,K. Benabed,Alain Benoit,A. Benoit-Lévy,A. Benoit-Lévy,J.-P. Bernard,J.-P. Bernard,Marco Bersanelli,Marco Bersanelli,P. Bielewicz,P. Bielewicz,J. J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,Julian Borrill,François R. Bouchet,Francois Boulanger,M. Bucher,Carlo Burigana,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,Jean-François Cardoso,Jean-François Cardoso,A. Catalano,A. Catalano,Anthony Challinor,A. Chamballu,A. Chamballu,A. Chamballu,Ranga-Ram Chary,H. C. Chiang,H. C. Chiang,Jens Chluba,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,L. P. L. Colombo,C. Combet,A. Coulais,B. P. Crill,A. Curto,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,G. de Zotti,Jacques Delabrouille,F.-X. Désert,E. Di Valentino,Clive Dickinson,Jose M. Diego,Klaus Dolag,Klaus Dolag,H. Dole,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,A. Ducout,Jo Dunkley,X. Dupac,George Efstathiou,F. Elsner,F. Elsner,Torsten A. Enßlin,H. K. Eriksen,Marzieh Farhang,Marzieh Farhang,James R. Fergusson,Fabio Finelli,Olivier Forni,Olivier Forni,M. Frailis,A. A. Fraisse,E. Franceschi,A. Frejsel,S. Galeotta,S. Galli,K. Ganga,C. Gauthier,C. Gauthier,M. Gerbino,M. Gerbino,M. Gerbino,Tuhin Ghosh,M. Giard,M. Giard,Y. Giraud-Héraud,Elena Giusarma,E. Gjerløw,J. González-Nuevo,J. González-Nuevo,Krzysztof M. Gorski,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jon E. Gudmundsson,Jon E. Gudmundsson,Jan Hamann,Jan Hamann,F. K. Hansen,Duncan Hanson,Duncan Hanson,Duncan Hanson,D. L. Harrison,George Helou,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes,Allan Hornstrup,W. Hovest,Zhiqi Huang,Kevin M. Huffenberger,G. Hurier,Andrew H. Jaffe,T. R. Jaffe,T. R. Jaffe,W. C. Jones,Mika Juvela,E. Keihänen,Reijo Keskitalo,Theodore Kisner,R. Kneissl,R. Kneissl,J. Knoche,Lloyd Knox,Martin Kunz,Martin Kunz,Martin Kunz,Hannu Kurki-Suonio,Guilaine Lagache,Guilaine Lagache,Anne Lähteenmäki,Anne Lähteenmäki,J.-M. Lamarre,Anthony Lasenby,Massimiliano Lattanzi,Charles R. Lawrence,J. P. Leahy,R. Leonardi,Julien Lesgourgues,Julien Lesgourgues,François Levrier,Antony Lewis,Michele Liguori,Michele Liguori,P. B. Lilje,M. Linden-Vørnle,M. López-Caniego,M. López-Caniego,Philip Lubin,J. F. Macías-Pérez,G. Maggio,Davide Maino,Davide Maino,N. Mandolesi,N. Mandolesi,A. Mangilli,A. Mangilli,A. Marchini,Michele Maris,Peter G. Martin,M. Martinelli,E. Martínez-González,Silvia Masi,Sabino Matarrese,Sabino Matarrese,P. McGehee,Peter Meinhold,Alessandro Melchiorri,Jean-Baptiste Melin,L. Mendes,A. Mennella,A. Mennella,M. Migliaccio,Marius Millea,Subhasish Mitra,Subhasish Mitra,M.-A. Miville-Deschênes,M.-A. Miville-Deschênes,A. Moneti,L. Montier,L. Montier,Gianluca Morgante,Daniel J. Mortlock,Adam Moss,Dipak Munshi,J. A. Murphy,Pavel Naselsky,Federico Nati,Paolo Natoli,Paolo Natoli,Calvin B. Netterfield,Hans Ulrik Nørgaard-Nielsen,F. Noviello,Dmitry Novikov,I. D. Novikov,I. D. Novikov,C. A. Oxborrow,F. Paci,L. Pagano,F. Pajot,Roberta Paladini,Daniela Paoletti,Bruce Partridge,F. Pasian,G. Patanchon,T. J. Pearson,O. Perdereau,L. Perotto,Francesca Perrotta,Valeria Pettorino,F. Piacentini,M. Piat,E. Pierpaoli,Davide Pietrobon,Stéphane Plaszczynski,Etienne Pointecouteau,Etienne Pointecouteau,G. Polenta,G. Polenta,L. Popa,G. W. Pratt,G. Prézeau,Simon Prunet,J.-L. Puget,Jörg P. Rachen,Jörg P. Rachen,William T. Reach,Rafael Rebolo,Rafael Rebolo,M. Reinecke,Mathieu Remazeilles,Mathieu Remazeilles,Mathieu Remazeilles,C. Renault,A. Renzi,I. Ristorcelli,I. Ristorcelli,Graca Rocha,C. Rosset,M. Rossetti,M. Rossetti,G. Roudier,G. Roudier,G. Roudier,B. Rouillé d'Orfeuil,Michael Rowan-Robinson,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,Ben Rusholme,Najla Said,Valentina Salvatelli,Valentina Salvatelli,Laura Salvati,M. Sandri,D. Santos,M. Savelainen,Giorgio Savini,Douglas Scott,Michael Seiffert,Paolo Serra,E. P. S. Shellard,Locke D. Spencer,M. Spinelli,V. Stolyarov,V. Stolyarov,V. Stolyarov,R. Stompor,R. Sudiwala,R. A. Sunyaev,R. A. Sunyaev,D. Sutton,A.-S. Suur-Uski,J.-F. Sygnet,J. A. Tauber,Luca Terenzi,Luca Terenzi,L. Toffolatti,L. Toffolatti,L. Toffolatti,M. Tomasi,M. Tomasi,M. Tristram,Tiziana Trombetti,Tiziana Trombetti,M. Tucci,J. Tuovinen,Marc Türler,G. Umana,Luca Valenziano,Jussi-Pekka Väliviita,F. Van Tent,P. Vielva,Fabrizio Villa,L. A. Wade,Benjamin D. Wandelt,Benjamin D. Wandelt,Ingunn Kathrine Wehus,Ingunn Kathrine Wehus,Martin White,Simon D. M. White,Althea Wilkinson,D. Yvon,Andrea Zacchei,Andrea Zonca +337 more
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In this article, the authors present a cosmological analysis based on full-mission Planck observations of temperature and polarization anisotropies of the cosmic microwave background (CMB) radiation.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 ± 0.012, and a tilted scalar spectral index with ns = 0.968 ± 0.006, consistent with the 2013 analysis. Note that in this abstract we quote 68% confidence limits on measured parameters and 95% upper limits on other parameters. We present the first results of polarization measurements with the Low Frequency Instrument at large angular scales. Combined with the Planck temperature and lensing data, these measurements give a reionization optical depth of τ = 0.066 ± 0.016, corresponding to a reionization redshift of . These results are consistent with those from WMAP polarization measurements cleaned for dust emission using 353-GHz polarization maps from the High Frequency Instrument. We find no evidence for any departure from base ΛCDM in the neutrino sector of the theory; for example, combining Planck observations with other astrophysical data we find Neff = 3.15 ± 0.23 for the effective number of relativistic degrees of freedom, consistent with the value Neff = 3.046 of the Standard Model of particle physics. The sum of neutrino masses is constrained to ∑ mν < 0.23 eV. The spatial curvature of our Universe is found to be very close to zero, with | ΩK | < 0.005. Adding a tensor component as a single-parameter extension to base ΛCDM we find an upper limit on the tensor-to-scalar ratio of r0.002< 0.11, consistent with the Planck 2013 results and consistent with the B-mode polarization constraints from a joint analysis of BICEP2, Keck Array, and Planck (BKP) data. Adding the BKP B-mode data to our analysis leads to a tighter constraint of r0.002 < 0.09 and disfavours inflationarymodels with a V(φ) ∝ φ2 potential. The addition of Planck polarization data leads to strong constraints on deviations from a purely adiabatic spectrum of fluctuations. We find no evidence for any contribution from isocurvature perturbations or from cosmic defects. Combining Planck data with other astrophysical data, including Type Ia supernovae, the equation of state of dark energy is constrained to w = −1.006 ± 0.045, consistent with the expected value for a cosmological constant. The standard big bang nucleosynthesis predictions for the helium and deuterium abundances for the best-fit Planck base ΛCDM cosmology are in excellent agreement with observations. We also constraints on annihilating dark matter and on possible deviations from the standard recombination history. In neither case do we find no evidence for new physics. The Planck results for base ΛCDM are in good agreement with baryon acoustic oscillation data and with the JLA sample of Type Ia supernovae. However, as in the 2013 analysis, the amplitude of the fluctuation spectrum is found to be higher than inferred from some analyses of rich cluster counts and weak gravitational lensing. We show that these tensions cannot easily be resolved with simple modifications of the base ΛCDM cosmology. Apart from these tensions, the base ΛCDM cosmology provides an excellent description of the Planck CMB observations and many other astrophysical data sets.read more
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GW170817: observation of gravitational waves from a binary neutron star inspiral
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Haughian,James Healy,Antoine Heidmann,M. C. Heintze,H. Heitmann,Patrice Hello,G. Hemming,Martin Hendry,Ik Siong Heng,J. Hennig,A. W. Heptonstall,M. Heurs,Stefan Hild,Tanja Hinderer,Wynn C. G. Ho,D. Hoak,David Jonathan Hofman,K. Holt,Daniel E. Holz,Philip F. Hopkins,C. Horst,J. H. Hough,E. A. Houston,Eric Howell,A. Hreibi,Yi-Ming Hu,E. A. Huerta,D. Huet,B. Hughey,Sascha Husa,S. H. Huttner,T. Huynh-Dinh,N. Indik,R. Inta,Giuseppe Intini,H. N. Isa,J.-M. Isac,Maximiliano Isi,Bala R. Iyer,K. Izumi,Thibaut Jacqmin,Karan Jani,Piotr Jaranowski,S. Jawahar,F. Jiménez-Forteza,W. W. Johnson,Nathan K. Johnson-McDaniel,David Jones,Roger Jones,R. J. G. Jonker,Li Ju,J. Junker,C. V. Kalaghatgi,V. Kalogera,Brittany Kamai,S. Kandhasamy,G. Kang,J. B. Kanner,S. J. Kapadia,S. Karki,K. S. Karvinen,M. Kasprzack,W. Kastaun,M. Katolik,Erik Katsavounidis,W. Katzman,S. Kaufer,K. Kawabe,Fabien Kéfélian,David Keitel,Athol J. Kemball,R. Kennedy,C. Kent,Joey Shapiro Key,F. Y. Khalili,I. 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Messenger,Cody Messick,R. Metzdorff,P. M. Meyers,Haixing Miao,C. Michel,H. Middleton,Eugeniy E. Mikhailov,L. Milano,A. L. Miller,B. B. Miller,Jon M. Miller,Margaret Millhouse,M. C. Milovich-Goff,Olivier Minazzoli,Y. Minenkov,J. Ming,Chandra Kant Mishra,S. Mitra,V. P. Mitrofanov,Guenakh Mitselmakher,R. Mittleman,D. Moffa,A. Moggi,K. Mogushi,M. Mohan,Satyanarayan Ray Pitambar Mohapatra,I. Molina,M. Montani,Christopher J. Moore,D. Moraru,G. Moreno,Soichiro Morisaki,S. R. Morriss,B. Mours,C. M. Mow-Lowry,Guido Mueller,A. W. Muir,Arunava Mukherjee,Debnandini Mukherjee,Soma Mukherjee,N. Mukund,A. Mullavey,Jesper Munch,E. A. Muñiz,M. Muratore,P. G. Murray,Alessandro Nagar,K. Napier,I. Nardecchia,L. Naticchioni,R. K. Nayak,J. Neilson,Gijs Nelemans,T. J. N. Nelson,M. Nery,A. Neunzert,L. Nevin,Jonathan Newport,G. P. Newton,K. K.Y. Ng,P. H. Nguyen,T. T. Nguyen,David A. Nichols,Alex B. Nielsen,Samaya Nissanke,A. Nitz,A. Noack,F. Nocera,D. Nolting,C. North,L. K. Nuttall,J. Oberling,G. D. O'Dea,G. H. Ogin,John J. Oh,Seog Oh,Frank Ohme,M. A. Okada,M. Oliver,P. Oppermann,Richard J. Oram,B. O'Reilly,R. G. Ormiston,L. F. Ortega,Richard O'Shaughnessy,S. Ossokine,David J. Ottaway,H. Overmier,Benjamin J. Owen,A. E. Pace,J. Page,M. A. Page,Archana Pai,S. A. Pai,J. R. Palamos,O. V. Palashov,C. Palomba,A. Pal-Singh,Howard Pan,Huang-Wei Pan,B. Pang,P. T. H. Pang,C. Pankow,Francesco Pannarale,B. C. Pant,F. Paoletti,A. Paoli,Maria Alessandra Papa,A. Parida,W. Parker,D. Pascucci,A. Pasqualetti,R. Passaquieti,D. Passuello,Mandar Patil,B. Patricelli,B. L. Pearlstone,M. Pedraza,R. Pedurand,Larne Pekowsky,A. Pele,S. Penn,C. J. Perez,A. Perreca,L. M. Perri,Harald P. Pfeiffer,M. Phelps,O. J. Piccinni,M. Pichot,F. Piergiovanni,Vincenzo Pierro,G. Pillant,L. Pinard,Innocenzo M. Pinto,M. Pirello,Matthew Pitkin,M. Poe,Rosa Poggiani,P. Popolizio,Edward K. Porter,A. Post,Jade Powell,J. Prasad,J. W. W. Pratt,Geraint Pratten,V. Predoi,T. Prestegard,M. Prijatelj,Maria Ilaria Del Principe,S. Privitera,Reinhard Prix,G. A. Prodi,L. G. Prokhorov,O. Puncken,M. Punturo,P. Puppo,M. Pürrer,H. Qi,V. Quetschke,E. A. Quintero,R. Quitzow-James,F. J. Raab,D. S. Rabeling,H. Radkins,P. Raffai,S. Raja,C. Rajan,B. Rajbhandari,M. Rakhmanov,K. E. Ramirez,Antoni Ramos-Buades,P. Rapagnani,Vivien Raymond,M. Razzano,Jocelyn Read,Tania Regimbau,L. Rei,Stuart Reid,D. H. Reitze,W. Ren,Steven Reyes,F. Ricci,Paul M. Ricker,S. Rieger,K. Riles,M. Rizzo,N. A. Robertson,R. Robie,F. Robinet,A. Rocchi,L. Rolland,J. G. Rollins,V. J. Roma,J. D. Romano,Rocco Romano,C. L. Romel,J. H. Romie,D. Rosińska,M. P. Ross,Sheila Rowan,A. Rüdiger,P. Ruggi,G. Rutins,Kris Ryan,Surabhi Sachdev,T. Sadecki,Laleh Sadeghian,Mairi Sakellariadou,L. Salconi,M. Saleem,Francesco Salemi,A. Samajdar,L. Sammut,Laura Sampson,E. J. Sanchez,L. E. Sanchez,Nicolas Sanchis-Gual,V. Sandberg,J. R. Sanders,Benoit Sassolas,Bangalore Suryanarayana Sathyaprakash,Peter R. Saulson,O. E. S. Sauter,R. L. Savage,A. Sawadsky,P. Schale,Mark A. Scheel,Jacob Scheuer,J. Schmidt,Patricia Schmidt,Roman Schnabel,R. M. S. Schofield,A. Schönbeck,E. Schreiber,D. Schuette,B. W. Schulte,Bernard F. Schutz,S. G. Schwalbe,J. Scott,S. M. Scott,Edward Seidel,D. Sellers,A. S. Sengupta,D. Sentenac,V. Sequino,A. M. Sergeev,Daniel A. Shaddock,T. J. Shaffer,A. A. Shah,M. S. Shahriar,M. B. Shaner,Lijing Shao,B. Shapiro,P. Shawhan,A. Sheperd,D. H. Shoemaker,D. M. Shoemaker,K. Siellez,Xavier Siemens,M. Sieniawska,D. Sigg,A. D. Silva,Leo Singer,A. P. Singh,A. Singhal,Alicia M. Sintes,B. J. J. Slagmolen,Beverly J. Smith,J. R. Smith,Rory Smith,Surendra Nadh Somala,E. J. Son,J. A. Sonnenberg,B. Sorazu,Fiodor Sorrentino,Tarun Souradeep,A. P. Spencer,A. K. Srivastava,Kai Staats,A. Staley,M. Steinke,Jessica Steinlechner,Sebastian Steinlechner,D. Steinmeyer,S. P. Stevenson,Robert Stone,D. J. Stops,Kenneth A. Strain,G. Stratta,S. E. Strigin,A. Strunk,Riccardo Sturani,A. L. Stuver,T. Summerscales,L. Sun,S. Sunil,J. Suresh,P. J. Sutton,B. L. Swinkels,Marek Szczepanczyk,M. Tacca,S. C. Tait,Colm Talbot,D. Talukder,David B. Tanner,Márton Tápai,Andrea Taracchini,Jay D. Tasson,J. A. Taylor,R. Taylor,Sumanta Tewari,T. Theeg,F. Thies,E. G. Thomas,M. Thomas,P. Thomas,K. A. Thorne,Kip S. Thorne,Eric Thrane,S. N. Tiwari,V. Tiwari,K. V. Tokmakov,K. Toland,M. Tonelli,Z. Tornasi,Alejandro Torres-Forné,C. I. Torrie,D. Töyrä,F. Travasso,G. Traylor,J. Trinastic,M. C. Tringali,L. Trozzo,K. W. Tsang,Maggie Tse,R. Tso,Leo Tsukada,Daichi Tsuna,D. Tuyenbayev,K. Ueno,D. Ugolini,C. S. Unnikrishnan,A. L. Urban,S. A. Usman,H. Vahlbruch,G. Vajente,G. Valdes,Michele Vallisneri,N. van Bakel,M. van Beuzekom,J. F. J. van den Brand,C. Van Den Broeck,D. C. Vander-Hyde,L. van der Schaaf,J. V. van Heijningen,A. A. van Veggel,M. Vardaro,Vijay Varma,S. Vass,M. Vasúth,Alberto Vecchio,G. Vedovato,John Veitch,P. J. Veitch,K. Venkateswara,G. Venugopalan,D. Verkindt,F. Vetrano,A. Viceré,Aaron Viets,Serena Vinciguerra,D. J. Vine,J-Y. Vinet,Salvatore Vitale,T. Vo,H. Vocca,C. Vorvick,Sergey P. Vyatchanin,A. R. Wade,L. E. Wade,Madeline Wade,R. C. Walet,Michelle E. Walker,L. Wallace,S. Walsh,G. Wang,Haiyan Wang,J. Z. Wang,W. H. Wang,Y. F. Wang,R. L. Ward,J. Warner,M. Was,Jennifer Watchi,B. A. Weaver,L.-W. Wei,M. Weinert,A. J. Weinstein,Rainer Weiss,Linqing Wen,E. K. Wessel,P. Weßels,J. Westerweck,Tobias Westphal,K. Wette,James Whelan,S. E. Whitcomb,B. F. Whiting,C. Whittle,D. M. Wilken,David A. Williams,Roy Williams,A. R. Williamson,J. L. Willis,Benno Willke,M. H. Wimmer,Walter Winkler,C. C. Wipf,H. Wittel,Graham Woan,J. Woehler,J. K. Wofford,K. W. K. Wong,John Worden,J. L. Wright,D. S. Wu,Daniel Wysocki,S. Xiao,H. Yamamoto,C. C. Yancey,Lili Yang,M. J. Yap,Maher Yazback,Hang Yu,Haocun Yu,M. Yvert,A. K. Zadrożny,Michele Zanolin,T. Zelenova,J. P. Zendri,M. Zevin,L. Zhang,Mi Zhang,T. Zhang,Yanxi Zhang,Chunnong Zhao,Minchuan Zhou,Zifan Zhou,Sylvia J. Zhu,Xing-Jiang Zhu,Aaron Zimmerman,Michael E Zucker,J. Zweizig +1134 more
TL;DR: The association of GRB 170817A, detected by Fermi-GBM 1.7 s after the coalescence, corroborates the hypothesis of a neutron star merger and provides the first direct evidence of a link between these mergers and short γ-ray bursts.
Journal ArticleDOI
Planck 2018 results. VI. Cosmological parameters
Nabila Aghanim,Yashar Akrami,Yashar Akrami,Yashar Akrami,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,Mario Ballardini,A. J. Banday,A. J. Banday,R. B. Barreiro,N. Bartolo,N. Bartolo,S. Basak,Richard A. Battye,K. Benabed,J.-P. Bernard,J.-P. Bernard,Marco Bersanelli,Marco Bersanelli,P. Bielewicz,James J. Bock,J. R. Bond,Julian Borrill,Julian Borrill,François R. Bouchet,F. Boulanger,F. Boulanger,F. Boulanger,M. Bucher,M. Bucher,Carlo Burigana,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,Julien Carron,Anthony Challinor,H. C. Chiang,H. C. Chiang,Jens Chluba,L. P. L. Colombo,C. Combet,D. Contreras,B. P. Crill,F. Cuttaia,P. de Bernardis,G. de Zotti,Jacques Delabrouille,J.-M. Delouis,E. Di Valentino,Jose M. Diego,Olivier Doré,Marian Douspis,A. Ducout,X. Dupac,S. Dusini,George Efstathiou,Franz Elsner,Torsten A. Enßlin,H. K. Eriksen,Yabebal Fantaye,Yabebal Fantaye,Marzieh Farhang,James R. Fergusson,R. Fernandez-Cobos,Fabio Finelli,Francesco Forastieri,M. Frailis,A. A. Fraisse,E. Franceschi,Andrei V. Frolov,S. Galeotta,S. Galli,K. Ganga,Ricardo Genova-Santos,Ricardo Genova-Santos,Martina Gerbino,Tuhin Ghosh,Tuhin Ghosh,J. González-Nuevo,Krzysztof M. Gorski,Krzysztof M. Gorski,Serge Gratton,Alessandro Gruppuso,Jon E. Gudmundsson,Jon E. Gudmundsson,Jan Hamann,Will Handley,F. K. Hansen,D. Herranz,S. R. Hildebrandt,E. Hivon,Zhiqi Huang,Andrew H. Jaffe,W. C. Jones,A. Karakci,E. Keihänen,Reijo Keskitalo,K. Kiiveri,K. Kiiveri,J. Kim,Theodore Kisner,Lloyd Knox,Nicoletta Krachmalnicoff,Martin Kunz,Martin Kunz,Martin Kunz,Hannu Kurki-Suonio,Hannu Kurki-Suonio,Guilaine Lagache,J.-M. Lamarre,Anthony Lasenby,Mario G. Lattanzi,Charles R. Lawrence,M. Le Jeune,P. Lemos,Julien Lesgourgues,François Levrier,Antony Lewis,Michele Liguori,Michele Liguori,P. B. Lilje,M. Lilley,V. Lindholm,V. Lindholm,M. López-Caniego,Philip Lubin,Yin-Zhe Ma,Yin-Zhe Ma,J. F. Macías-Pérez,G. Maggio,Davide Maino,Davide Maino,N. Mandolesi,N. Mandolesi,A. Mangilli,A. Marcos-Caballero,M. Maris,Peter G. Martin,Matteo Martinelli,E. Martínez-González,Sabino Matarrese,Sabino Matarrese,N. Mauri,Jason D. McEwen,Peter Meinhold,Alessandro Melchiorri,A. Mennella,A. Mennella,M. Migliaccio,Marius Millea,Marius Millea,Marius Millea,Subhabrata Mitra,Subhabrata Mitra,M.-A. Miville-Deschênes,M.-A. Miville-Deschênes,Diego Molinari,Diego Molinari,L. Montier,L. Montier,Gianluca Morgante,Adam Moss,Paolo Natoli,Paolo Natoli,Hans Ulrik Nørgaard-Nielsen,L. Pagano,L. Pagano,D. Paoletti,Bruce Partridge,G. Patanchon,Hiranya V. Peiris,Francesca Perrotta,Valeria Pettorino,F. Piacentini,L. Polastri,G. Polenta,J.-L. Puget,J.-L. Puget,Jörg P. Rachen,M. Reinecke,Mathieu Remazeilles,A. Renzi,Graca Rocha,C. Rosset,G. Roudier,G. Roudier,G. Roudier,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,B. Ruiz-Granados,B. Ruiz-Granados,L. Salvati,M. Sandri,M. Savelainen,M. Savelainen,M. Savelainen,Douglas Scott,E. P. S. Shellard,C. Sirignano,C. Sirignano,G. Sirri,Locke D. Spencer,R. A. Sunyaev,R. A. Sunyaev,A.-S. Suur-Uski,A.-S. Suur-Uski,J. A. Tauber,D. Tavagnacco,D. Tavagnacco,M. Tenti,L. Toffolatti,L. Toffolatti,M. Tomasi,M. Tomasi,Tiziana Trombetti,Luca Valenziano,J. Valiviita,J. Valiviita,B. Van Tent,L. Vibert,L. Vibert,P. Vielva,Fabrizio Villa,Nicola Vittorio,Benjamin D. Wandelt,Ingunn Kathrine Wehus,Martin White,Simon D. M. White,Andrea Zacchei,Andrea Zonca +232 more
TL;DR: In this article, the authors present cosmological parameter results from the full-mission Planck measurements of the cosmic microwave background (CMB) anisotropies, combining information from the temperature and polarization maps and the lensing reconstruction.
Journal ArticleDOI
The Astropy Project: Building an Open-science Project and Status of the v2.0 Core Package
Adrian M. Price-Whelan,B. M. Sipőcz,Hans Moritz Günther,P. L. Lim,Steven M. Crawford,S. Conseil,D. L. Shupe,M. W. Craig,N. Dencheva,Adam Ginsburg,Jacob T VanderPlas,Larry Bradley,David Pérez-Suárez,M. de Val-Borro,T. L. Aldcroft,Kelle L. Cruz,Thomas P. Robitaille,E. J. Tollerud,C. Ardelean,Tomáš Babej,Y. P. Bach,Matteo Bachetti,A. V. Bakanov,Steven P. Bamford,Geert Barentsen,Pauline Barmby,Andreas Baumbach,Katherine Berry,F. Biscani,Médéric Boquien,K. A. Bostroem,L. G. Bouma,G. B. Brammer,E. M. Bray,H. Breytenbach,H. Buddelmeijer,D. J. Burke,G. Calderone,J. L. Cano Rodríguez,Mihai Cara,José Vinícius de Miranda Cardoso,S. Cheedella,Y. Copin,Lia Corrales,Devin Crichton,D. DÁvella,Christoph Deil,É. Depagne,J. P. Dietrich,Axel Donath,M. Droettboom,Nicholas Earl,T. Erben,Sebastien Fabbro,Leonardo Ferreira,T. Finethy,R. T. Fox,Lehman H. Garrison,S. L. J. Gibbons,Daniel A. Goldstein,Ralf Gommers,Johnny P. Greco,P. Greenfield,A. M. Groener,Frédéric Grollier,A. Hagen,P. Hirst,Derek Homeier,Anthony Horton,Griffin Hosseinzadeh,L. Hu,J. S. Hunkeler,Ž. Ivezić,A. Jain,T. Jenness,G. Kanarek,Sarah Kendrew,Nicholas S. Kern,Wolfgang Kerzendorf,A. Khvalko,J. King,D. Kirkby,A. M. Kulkarni,Ashok Kumar,Antony Lee,D. Lenz,S. P. Littlefair,Zhiyuan Ma,D. M. Macleod,M. Mastropietro,C. McCully,S. Montagnac,Brett M. Morris,M. Mueller,Stuart Mumford,D. Muna,Nicholas A. Murphy,Stefan Nelson,G. H. Nguyen,Joe Philip Ninan,M. Nöthe,S. Ogaz,Seog Oh,J. K. Parejko,N. R. Parley,Sergio Pascual,R. Patil,A. A. Patil,A. L. Plunkett,Jason X. Prochaska,T. Rastogi,V. Reddy Janga,J. Sabater,Parikshit Sakurikar,Michael Seifert,L. E. Sherbert,H. Sherwood-Taylor,A. Y. Shih,J. Sick,M. T. Silbiger,Sudheesh Singanamalla,Leo Singer,P. H. Sladen,K. A. Sooley,S. Sornarajah,Ole Streicher,P. Teuben,Scott Thomas,Grant R. Tremblay,J. Turner,V. Terrón,M. H. van Kerkwijk,A. de la Vega,Laura L. Watkins,B. A. Weaver,J. Whitmore,Julien Woillez,Victor Zabalza,Astropy Contributors +138 more
TL;DR: The Astropy project as discussed by the authors is a Python project supporting the development of open-source and openly developed Python packages that provide commonly needed functionality to the astronomical community, including the core package astropy.
Journal ArticleDOI
Planck 2015 results. XX. Constraints on inflation
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,R. B. Barreiro,Nicola Bartolo,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,J.-P. Bernard,Marco Bersanelli,P. Bielewicz,J. J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,François R. Bouchet,F. Boulanger,M. Bucher,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,A. Catalano,Anthony Challinor,A. Chamballu,R.-R. Chary,H. C. Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,C. Combet,D. Contreras,F. Couchot,A. Coulais,B. P. Crill,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,Jacques Delabrouille,F.-X. Désert,Jose M. Diego,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,Torsten A. Ensslin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,M. Frailis,Aurelien A. Fraisse,E. Franceschi,A. Frejsel,Andrei V. Frolov,S. Galeotta,Silvia Galli,K. Ganga,C. Gauthier,M. Giard,Y. Giraud-Héraud,E. Gjerløw,J. González-Nuevo,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jan Hamann,Will Handley,F. K. Hansen,Duncan Hanson,D. L. Harrison,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes +98 more
TL;DR: In this article, the authors report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements, which are fully consistent with the two previous Planck cosmological releases, but have smaller uncertainties thanks to improvements in the characterization of polarization at low and high multipoles.
Journal ArticleDOI
Multi-messenger observations of a binary neutron star merger
Fermi Gbm,AstroSat Cadmium Zinc Telluride Imager Team,Agile Team,M H Team,Atca: Australia Telescope Compact Array,Askap: Australian Ska Pathfinder,Askap: Australian Ska Pathfinder,OzGrav, Dwf , Ast,Caastro Collaborations,J-Gem,Growth, Jagwar, Caltech-NRAO, Ttu-Nrao,NuSTAR Collaborations,Pan-STARRS,Maxi Team,Nordic Optical Telescope,ePESSTO,Grond,Mwa: Murchison Widefield Array,Lwa: Long Wavelength Array,Euro Vlbi Team,Rimas,Ratir,Ska South Africa,MeerKAT +23 more
TL;DR: A binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors.
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Efficient computation of CMB anisotropies in closed FRW models
TL;DR: In this paper, an efficient line-of-sight method was implemented to calculate the anisotropy and polarization of the cosmic microwave background for scalar and tensor modes in almost Friedmann-Robertson-Walker models with positive spatial curvature.
Journal ArticleDOI
First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Preliminary Maps and Basic Results
Charles L. Bennett,Mark Halpern,Gary Hinshaw,N. Jarosik,Alan J. Kogut,Michele Limon,Michele Limon,S. S. Meyer,Lyman A. Page,David N. Spergel,Gregory S. Tucker,Edward J. Wollack,Edward L. Wright,Cris W. Barnes,M. R. Greason,Robert S. Hill,Eiichiro Komatsu,M. R. Nolta,N. Odegard,H. V. Peirs,Licia Verde,Janet Weiland +21 more
Abstract: We present full sky microwave maps in five bands (23 to 94 GHz) from the WMAP first year sky survey. Calibration errors are 1 per mode to l=658. The temperature-polarization cross-power spectrum reveals both acoustic features and a large angle correlation from reionization. The optical depth of reionization is 0.17 +/- 0.04, which implies a reionization epoch of 180+220-80 Myr (95% CL) after the Big Bang at a redshift of 20+10-9 (95% CL) for a range of ionization scenarios. This early reionization is incompatible with the presence of a significant warm dark matter density. The age of the best-fit universe is 13.7 +/- 0.2 Gyr old. Decoupling was 379+8-7 kyr after the Big Bang at a redshift of 1089 +/- 1. The thickness of the decoupling surface was dz=195 +/- 2. The matter density is Omega_m h^2 = 0.135 +0.008 -0.009, the baryon density is Omega_b h^2 = 0.0224 +/- 0.0009, and the total mass-energy of the universe is Omega_tot = 1.02 +/- 0.02. The spectral index of scalar fluctuations is fit as n_s = 0.93 +/- 0.03 at wavenumber k_0 = 0.05 Mpc^-1, with a running index slope of dn_s/d ln k = -0.031 +0.016 -0.018 in the best-fit model. This flat universe model is composed of 4.4% baryons, 22% dark matter and 73% dark energy. The dark energy equation of state is limited to w<-0.78 (95% CL). Inflation theory is supported with n_s~1, Omega_tot~1, Gaussian random phases of the CMB anisotropy, and superhorizon fluctuations. An admixture of isocurvature modes does not improve the fit. The tensor-to-scalar ratio is r(k_0=0.002 Mpc^-1)<0.90 (95% CL).
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Cosmological parameters from CMB and other data: A Monte Carlo approach
Antony Lewis,Sarah Bridle +1 more
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Journal ArticleDOI
Planck 2015 results. XX. Constraints on inflation
Peter A. R. Ade,Nabila Aghanim,Monique Arnaud,Frederico Arroja,M. Ashdown,J. Aumont,Carlo Baccigalupi,Mario Ballardini,A. J. Banday,R. B. Barreiro,Nicola Bartolo,E. Battaner,K. Benabed,Alain Benoit,A. Benoit-Lévy,J.-P. Bernard,Marco Bersanelli,P. Bielewicz,J. J. Bock,Anna Bonaldi,Laura Bonavera,J. R. Bond,Julian Borrill,François R. Bouchet,F. Boulanger,M. Bucher,Carlo Burigana,R. C. Butler,Erminia Calabrese,Jean-François Cardoso,A. Catalano,Anthony Challinor,A. Chamballu,R.-R. Chary,H. C. Chiang,P. R. Christensen,Sarah E. Church,David L. Clements,S. Colombi,L. P. L. Colombo,C. Combet,D. Contreras,F. Couchot,A. Coulais,B. P. Crill,A. Curto,F. Cuttaia,Luigi Danese,R. D. Davies,R. J. Davis,P. de Bernardis,A. de Rosa,G. de Zotti,Jacques Delabrouille,F.-X. Désert,Jose M. Diego,H. Dole,S. Donzelli,Olivier Doré,Marian Douspis,A. Ducout,X. Dupac,George Efstathiou,F. Elsner,Torsten A. Ensslin,H. K. Eriksen,James R. Fergusson,Fabio Finelli,Olivier Forni,M. Frailis,Aurelien A. Fraisse,E. Franceschi,A. Frejsel,Andrei V. Frolov,S. Galeotta,Silvia Galli,K. Ganga,C. Gauthier,M. Giard,Y. Giraud-Héraud,E. Gjerløw,J. González-Nuevo,Krzysztof M. Gorski,Serge Gratton,A. Gregorio,Alessandro Gruppuso,Jon E. Gudmundsson,Jan Hamann,Will Handley,F. K. Hansen,Duncan Hanson,D. L. Harrison,Sophie Henrot-Versille,C. Hernández-Monteagudo,D. Herranz,S. R. Hildebrandt,E. Hivon,Michael P. Hobson,W. A. Holmes +98 more
TL;DR: In this article, the authors report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements, which are fully consistent with the two previous Planck cosmological releases, but have smaller uncertainties thanks to improvements in the characterization of polarization at low and high multipoles.
Journal ArticleDOI
Topology of cosmic domains and strings
TL;DR: In this article, the possible domain structures which can arise in the universe in a spontaneously broken gauge theory are studied, and it is shown that the formation of domain wall, strings or monopoles depends on the homotopy groups of the manifold of degenerate vacua.
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