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Planck 2013 results. XX. Cosmology from Sunyaev-Zeldovich cluster counts

P.A.R. Ade N. Aghanim C. Armitage-Caplan M. Arnaud M. Ashdown F. Atrio-Barandela J. Aumont C. Baccigalupi A. J. Banday R. B. Barreiro R. Barrena J.G. Bartlett 1, 2 E. Battaner R. Battye K. Benabed A. Benoît 3 A. Benoit-Lévy J. -P. Bernard M. Bersanelli P. Bielewicz I. Bikmaev A. Blanchard J. Bobin J. J. Bock H. Böhringer A. Bonaldi J. R. Bond J. Borrill F. R. Bouchet H. Bourdin M. Bridges M. L. Brown M. Bucher 1, 2 R. Burenin C. Burigana R. C. Butler J.-F. Cardoso 2 P. Carvalho A. Catalano 4, 5 A. Challinor A. Chamballu R. -R. Chary L. -Y Chiang H. C. Chiang G. Chon P. R. Christensen S. Church D. L. Clements S. Colombi L. P. L. Colombo F. Couchot 6 A. Coulais 5 B. P. Crill A. Curto F. Cuttaia A. da Silva H. Dahle L. Danese R. D. Davies R. J. Davis P. de Bernardis A. de Rosa G. de Zotti J. Delabrouille 7, 2 J. -M. Delouis J. Démoclès F. -X. Désert C. Dickinson J. M. Diego K. Dolag H. Dole S. Donzelli O. Doré M. Douspis X. Dupac G. Efstathiou T. A. Enßlin H. K. Eriksen F. Finelli I. Flores-Cacho O. Forni M. Frailis E. Franceschi S. Fromenteau 2 S. Galeotta K. Ganga 2 R. T. Génova-Santos M. Giard G. Giardino Y. Giraud-Héraud 2 J. González-Nuevo K. M. Górski S. Gratton A. Gregorio A. Gruppuso F. K. Hansen D. Hanson D. Harrison S. Henrot-Versillé 6 C. Hernández-Monteagudo D. Herranz S. R. Hildebrandt E. Hivon M. Hobson W. A. Holmes A. Hornstrup W. Hovest K. M. Huffenberger G. Hurier 4 T. R. Jaffe A. H. Jaffe W. C. Jones M. Juvela E. Keihänen R. Keskitalo I. Khamitov T. S. Kisner R. Kneissl J. Knoche L. Knox M. Kunz H. Kurki-Suonio Guilaine Lagache A. Lähteenmäki J. -M. Lamarre 5 A. Lasenby R. J. Laureijs C. R. Lawrence J. P. Leahy R. Leonardi J. León-Tavares J. Lesgourgues A. Liddle M. Liguori P. B. Lilje M. Linden-Vørnle M. López-Caniego P. M. Lubin J.F. Macías-Pérez 4 B. Maffei D. Maino N. Mandolesi A. Marcos-Caballero M. Maris D. J. Marshall P. G. Martin E. Martínez-González S. Masi S. Matarrese F. Matthai P. Mazzotta P. R. Meinhold A. Melchiorri J. -B. Melin L. Mendes A. Mennella M. Migliaccio Subhabrata Mitra M. -A. Miville-Deschênes A. Moneti L. Montier G. Morgante D. Mortlock A. Moss D. Munshi P. Naselsky F. Nati P. Natoli C. B. Netterfield H. U. Nørgaard-Nielsen F. Noviello D. Novikov I. Novikov S. Osborne C. A. Oxborrow F. Paci L. Pagano F. Pajot D. Paoletti B. Partridge F. Pasian G. Patanchon 2 O. Perdereau 6 L. Perotto 4 F. Perrotta F. Piacentini M. Piat 2 E. Pierpaoli D. Pietrobon Stéphane Plaszczynski 6 E. Pointecouteau G. Polenta N. Ponthieu L. Popa T. Poutanen G. W. Pratt G. Prézeau S. Prunet J. -L. Puget J. P. Rachen R. Rebolo M. Reinecke M. Remazeilles 2 C. Renault 4 S. Ricciardi T. Riller I. Ristorcelli G. Rocha M. Roman 2 C. Rosset 2 G. Roudier 2, 5 M. Rowan-Robinson J. A. Rubiño-Martín B. Rusholme M. Sandri D. Santos 4 G. Savini D. Scott M. D. Seiffert E. P. S. Shellard L. D. Spencer Jean-Luc Starck V. Stolyarov Radek Stompor 2 R. Sudiwala R. Sunyaev F. Sureau D. Sutton A. -S. Suur-Uski J. -F. Sygnet J. A. Tauber D. Tavagnacco L. Terenzi L. Toffolatti M. Tomasi M. Tristram 6 M. Tucci 6 J. Tuovinen M. Türler G. Umana L. Valenziano J. Valiviita B. van Tent P. Vielva F. Villa N. Vittorio L. A. Wade B. D. Wandelt J. Weller M. White S. D. M. White D. Yvon A. Zacchei A. Zonca
1 APC - Cosmologie
APC (UMR_7164) - AstroParticule et Cosmologie
2 APC (UMR_7164) - AstroParticule et Cosmologie
3 HELFA - Hélium : du fondamental aux applications
NEEL - Institut Néel
4 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
5 LERMA - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique
6 LAL - Laboratoire de l'Accélérateur Linéaire
7 APC-Gravitation - APC - Gravitation
APC (UMR_7164) - AstroParticule et Cosmologie, AEI - Max-Planck-Institut für Gravitationsphysik ( Albert-Einstein-Institut )
Abstract : We present constraints on cosmological parameters using number counts as a function of redshift for a sub-sample of 189 galaxy clusters from the Planck SZ (PSZ) catalogue. The PSZ is selected through the signature of the Sunyaev--Zeldovich (SZ) effect, and the sub-sample used here has a signal-to-noise threshold of seven, with each object confirmed as a cluster and all but one with a redshift estimate. We discuss the calculation of the expected cluster counts as a function of cosmological parameters, the completeness of the sample, and the likelihood construction method. Using a relation between mass M and SZ signal Y based on comparison to X-ray measurements, we derive constraints on the power spectrum amplitude sigma_8 and matter density parameter \Omega_m in a flat LCDM model. We test the robustness of our estimates and find that possible biases in the Y-M relation and the halo mass function appear larger than the statistical uncertainties from the cluster sample. Assuming a bias between the X-ray determined mass and the true mass of 20%, motivated by comparison of the observed mass scaling relations to those from a set of numerical simulations, we find that sigma_8(Omega_m/0.27)^0.3=0.78+-0.01, with one-dimensional ranges sigma_8=0.77+-0.02 and Omega_m=0.29+-0.02. The values of the cosmological parameters are degenerate with the mass bias, and it is found that the larger values of sigma_8 and Omega_m preferred by the Planck's measurements of the primary CMB anisotropies can be accommodated by a mass bias of about 45%. Alternatively, consistency with the primary CMB constraints can be achieved by inclusion of processes that suppress power on small scales, such as a component of massive neutrinos. We place our results in the context of other determinations of cosmological parameters, and discuss issues that need to be resolved in order to make progress in this field.
Keywords : cosmological parameters Large-scale structure of Universe galaxies: clusters: general
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Journal articles
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http://hal.in2p3.fr/in2p3-00804174
Contributor : Sabine Starita <>
Submitted on : Monday, March 25, 2013 - 10:15:21 AM
Last modification on : Wednesday, January 6, 2021 - 9:14:03 AM

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IN2P3 | APC | LAL | CNRS | UNIV-PARIS7 | CEA | OBSPM | LPSC | USPC | NEEL | IRFU-APC | DSM-IRFU | CEA-DRF | UNIV-PARIS | UP-SCIENCES | ENS-PARIS | LERMA | SORBONNE-UNIVERSITE | SU-SCIENCES | UPMC | UNIV-CERGY | INSU | PSL | UGA | SU-TI

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P.A.R. Ade, N. Aghanim, C. Armitage-Caplan, M. Arnaud, M. Ashdown, et al.. Planck 2013 results. XX. Cosmology from Sunyaev-Zeldovich cluster counts. Astronomy and Astrophysics - A&A, EDP Sciences, 2014, 571, pp.A20. ⟨10.1051/0004-6361/201321521⟩. ⟨in2p3-00804174⟩

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