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Planck early results. VIII. The all-sky early Sunyaev-Zeldovich cluster sample

Ade, P.A.R. and Aghanim, N. and Arnaud, M. and Ashdown, M. and Aumont, J. and Baccigalupi, C. and Balbi, A. and Banday, A.J. and Barreiro, R.B. and Bartelmann, M. and Bartlett, J.G. and Battaner, E. and Battye, R. and Benabed, K. and Benoit, A. and Bernard, J.-P. and Bersanelli, M. and Bhatia, R. and Bock, J.J. and Bonaldi, A. and Bond, J.R. and Borrill, J. and Bouchet, F.R. and Brown, M.L. and Bucher, M. and Burigana, C. and Cabella, P. and Cantalupo, C.M. and Cardoso, J.-F. and Carvalho, P. and Catalano, A. and Cayon, L. and Challinor, A. and Chamballu, A. and Chary, R.-R. and Chiang, L.-Y. and Chiang, C. and Chon, G. and Christensen, P.R. and Churazov, E. and Clements, D.L. and Colafrancesco, S. and Colombi, S. and Couchot, F. and Coulais, A. and Crill, B.P. and Cuttaia, F. and Da Silva, A. and Dahle, H. and Danese, L. and Davis, R.J. and De Bernardis, P. and de Gasperis, G. and de Rosa, A. and de Zotti, G. and Delabrouille, J. and Delouis, J.-M. and Desert, F.-X. and Dickinson, C. and Diego, J.M. and Dole, H. and Donzelli, S. and Dore, O. and Dorl, U. and Douspis, M. and Dupac, X. and Efstathiou, G. and Eisenhardt, P. and Enßlin, T.A. and Feroz, F. and Finelli, F. and Flores-Cacho, I. and Forni, O. and Fosalba, P. and Frailis, M. and Franceschi, E. and Fromenteau, S. and Galeotta, S. and Ganga, K. and Genova-Santos, R.T. and Giard, M. and Giardino, G. and Giraud-Héraud, Y. and Gonzalez-Nuevo, J. and Gonzalez-Riestra, R. and Gorski, K.M. and Grainge, K.J.B. and Gratton, S. and Gregorio, A. and Grupposo, A. and Harrison, D. and Heinamaki, P. and Henrot-Versille, S. and Hernandes-Monteagudo, C. and Herranz, D. and Hildebrandt, S.R. and Hivon, E. and Hobson, M. and Holmes, W.A. and Hovest, W. and Hoyland, R.J. and Huffenberger, K.M. and Hurier, G. and Hurley-Walker, N. and Jaffe, A.H. and Jones, W.C. and Juvela, M. and Keihanen, E. and Keskitalo, R. and Kisner, T.S. and Kneissl, R. and Knox, L. and Kurki-Suonio, H. and Lagache, G. and Lamarre, J.-M. and Lasenby, A. and Laureijs, R.J. and Lawrence, C.R. and Le Jeune, M. and Leach, S. and Leonardi, R. and Li, C. and Liddle, A. and Lilje, P.B. and Linden-Vornle, M. and Lopez-Caniego, M. and Lubin, P.M. and Macias-Perez, J.F. and MacTavish, C.J. and Maffei, B. and Maino, D. and Mandolesi, N. and Mann, R. and Maris, M. and Marleau, F. and Martinez-Gonzalez, E. and Masi, S. and Matarrese, S. and Matthai, F. and Mazzotta, P. and Mei, S. and Meinhold, P.R. and Melchiorri, A. and Melin, J.-B. and Mendes, L. and Mennella, A. and Mitra, S. and Miville-Deschenes, M.-A. and Moneti, A. and Montier, L. and Morgante, G. and Mortlock, D. and Munshi, D. and Murphy, A. and Naselsky, P. and Nati, F. and Natoli, P. and Netterfield, C.B. and Norgaard-Nielsen, H.U. and Noviello, F. and Novikov, D. and Novikov, I. and Olamaie, M. and Osborne, S. and Pajot, F. and Pasian, F. and Patanchon, G. and Pearson, T.J. and Perdereau, O. and Perotto, L. and Perrotta, F. and Piacentini, F. and Piat, M. and Pierpaoli, E. and Piffaretti, R. and Plaszczynski, S. and Pointecouteau, E. and Polenta, G. and Ponthieu, N. and Poutanen, T. and Pratt, G.W. and Prezeau, G. and Prunet, S. and Puget, J.-L. and Rachen, J.P. and Reach, W.T. and Rebolo, R. and Reinecke, M. and Renault, C. and Ricciardi, S. and Riller, T. and Ristorcelli, I. and Rocha, G. and Rosset, C. and Rubino-Martin, J.A. and Rusholme, B. and Saar, E. and Sandri, M. and Santos, D. and Saunders, R.D.E. and Savini, G. and Schaefer, B.M. and Scott, D. and Seiffert, M.D. and Shellard, P. and Smoot, G.F. and Stanford, A. and Starck, J.-L. and Stivoli, F. and Stolyarov, V. and Stompor, R. and Sudiwala, R. and Sunyaev, R. and Sutton, D. and Sygnet, J.-F. and Taburet, N. and Tauber, J.A. and Terenzi, L. and Toffolatti, L. and Tomasi, M. and Torre, J.-P. and Tristram, M. and Tuovinen, J. and Valenziano, L. and Vibert, L. and Vielva, P. and Villa, F. and Vittorio, N. and Wade, L.A. and Wandelt, B.D. and Weller, J. and White, S.D.M. and White, M. and Yvon, D. and Zacchei, A. and Zonca, A. (2011) Planck early results. VIII. The all-sky early Sunyaev-Zeldovich cluster sample. Astronomy & Astrophysics, 536 (A8). ISSN 0004-6361

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We present the first all-sky sample of galaxy clusters detected blindly by the Planck satellite through the Sunyaev-Zeldovich (SZ) effect from its six highest frequencies. This early SZ (ESZ) sample is comprised of 189 candidates, which have a high signal-to-noise ratio ranging from 6 to 29. Its high reliability (purity above 95%) is further ensured by an extensive validation process based on Planck internal quality assessments and by external cross-identification and follow-up observations. Planck provides the first measured SZ signal for about 80% of the 169 previouslyknown ESZ clusters. Planck furthermore releases 30 new cluster candidates, amongst which 20 meet the ESZ signal-to-noise selection criterion. At the submission date, twelve of the 20 ESZ candidates were confirmed as new clusters, with eleven confirmed using XMM-Newton snapshot observations, most of them with disturbed morphologies and low luminosities. The ESZ clusters are mostly at moderate redshifts (86% with z below 0.3) and span more than a decade in mass, up to the rarest and most massive clusters with masses above 1 × 1015 M.

Item Type: Article
Additional Information: © ESO 2011 The original publication is available at DOI: 10.1051/0004-6361/201116459
Keywords: cosmology; observations; galaxies; clusters; catalogs; Planck Collaboration;
Subjects: Science & Engineering > Experimental Physics
Item ID: 4033
Depositing User: Dr. Anthony Murphy
Date Deposited: 11 Dec 2012 16:24
Journal or Publication Title: Astronomy & Astrophysics
Publisher: EDP Sciences
Refereed: Yes

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