We present the all-sky Planck catalogue of Sunyaev-Zeldovich (SZ) sources detected from the 29 month full-mission data. The catalogue (PSZ2) is the largest SZ-selected sample of galaxy clusters yet produced and the deepest systematic all-sky surveyof galaxy clusters. It contains 1653 detections, of which 1203 are confirmed clusters with identified counterparts in external data sets, and is the first SZ-selected cluster survey containing >103 confirmed clusters. We present a detailed analysis of the survey selection function in terms of its completeness and statistical reliability, placing a lower limit of 83% on the purity. Using simulations, we find that the estimates of the SZ strength parameter Y5R500are robust to pressure-profile variation and beam systematics, but accurate conversion to Y500 requires the use of prior information on the cluster extent. We describe the multi-wavelength search for counterparts in ancillary data, which makes use of radio, microwave, infra-red, optical, and X-ray data sets, and which places emphasis on the robustness of the counterpart match. We discuss the physical properties of the new sample and identify a population of low-redshift X-ray under-luminous clusters revealed by SZ selection. These objects appear in optical and SZ surveys with consistent properties for their mass, but are almost absent from ROSAT X-ray selected samples.

Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., et al. (2016). Planck 2015 results: XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources. ASTRONOMY & ASTROPHYSICS, 594 [10.1051/0004-6361/201525823].

Planck 2015 results: XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources

MAZZOTTA, PASQUALE;MIGLIACCIO, MARINA;NATOLI, PAOLO;PIETROBON, DAVIDE;
2016

Abstract

We present the all-sky Planck catalogue of Sunyaev-Zeldovich (SZ) sources detected from the 29 month full-mission data. The catalogue (PSZ2) is the largest SZ-selected sample of galaxy clusters yet produced and the deepest systematic all-sky surveyof galaxy clusters. It contains 1653 detections, of which 1203 are confirmed clusters with identified counterparts in external data sets, and is the first SZ-selected cluster survey containing >103 confirmed clusters. We present a detailed analysis of the survey selection function in terms of its completeness and statistical reliability, placing a lower limit of 83% on the purity. Using simulations, we find that the estimates of the SZ strength parameter Y5R500are robust to pressure-profile variation and beam systematics, but accurate conversion to Y500 requires the use of prior information on the cluster extent. We describe the multi-wavelength search for counterparts in ancillary data, which makes use of radio, microwave, infra-red, optical, and X-ray data sets, and which places emphasis on the robustness of the counterpart match. We discuss the physical properties of the new sample and identify a population of low-redshift X-ray under-luminous clusters revealed by SZ selection. These objects appear in optical and SZ surveys with consistent properties for their mass, but are almost absent from ROSAT X-ray selected samples.
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/05 - Astronomia e Astrofisica
English
cosmology: observations; galaxies: clusters: general; catalogs; Astrophysics - Cosmology and Nongalactic Astrophysics
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., et al. (2016). Planck 2015 results: XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources. ASTRONOMY & ASTROPHYSICS, 594 [10.1051/0004-6361/201525823].
Ade, P; Aghanim, N; Arnaud, M; Ashdown, M; Aumont, J; Baccigalupi, C; Banday, A; Barreiro, R; Barrena, R; Bartlett, J; Bartolo, N; Battaner, E; Battye, R; Benabed, K; Benoit, A; Benoit Levy, A; Bernard, J; Bersanelli, M; Bielewicz, P; Bikmaev, I; Bohringer, H; Bonaldi, A; Bonavera, L; Bond, J; Borrill, J; Bouchet, F; Bucher, M; Burenin, R; Burigana, C; Butler, R; Calabrese, E; Cardoso, J; Carvalho, P; Catalano, A; Challinor, A; Chamballu, A; Chary, R; Chiang, H; Chon, G; Christensen, P; Clements, D; Colombi, S; Colombo, L; Combet, C; Comis, B; Couchot, F; Coulais, A; Crill, B; Curto, A; Cuttaia, F; Dahle, H; Danese, L; Davies, R; Davis, R; De Bernardis, P; De Rosa, A; De Zotti, G; Delabrouille, J; Desert, F; Dickinson, C; Diego, J; Dolag, K; Dole, H; Donzelli, S; Dore, O; Douspis, M; Ducout, A; Dupac, X; Efstathiou, G; Eisenhardt, P; Elsner, F; Ensslin, T; Eriksen, H; Falgarone, E; Fergusson, J; Feroz, F; Ferragamo, A; Finelli, F; Forni, O; Frailis, M; Fraisse, A; Franceschi, E; Frejsel, A; Galeotta, S; Galli, S; Ganga, K; Genova Santos, R; Giard, M; Giraud Heraud, Y; Gjerlow, E; Gonzalez Nuevo, J; Gorski, K; Grainge, K; Gratton, S; Gregorio, A; Gruppuso, A; Gudmundsson, J; Hansen, F; Hanson, D; Harrison, D; Hempel, A; Henrot Versille, S; Hernandez Monteagudo, C; Herranz, D; Hildebrandt, S; Hivon, E; Hobson, M; Holmes, W; Hornstrup, A; Hovest, W; Huffenberger, K; Hurier, G; Jaffe, A; Jaffe, T; Jin, T; Jones, W; Juvela, M; Keihanen, E; Keskitalo, R; Khamitov, I; Kisner, T; Kneissl, R; Knoche, J; Kunz, M; Kurki Suonio, H; Lagache, G; Lamarre, J; Lasenby, A; Lattanzi, M; Lawrence, C; Leonardi, R; Lesgourgues, J; Levrier, F; Liguori, M; Lilje, P; Linden Vornle, M; Lopez Caniego, M; Lubin, P; Macias Perez, J; Maggio, G; Maino, D; Mak, D; Mandolesi, N; Mangilli, A; Martin, P; Martinez Gonzalez, E; Masi, S; Matarrese, S; Mazzotta, P; Mcgehee, P; Mei, S; Melchiorri, A; Melin, J; Mendes, L; Mennella, A; Migliaccio, M; Mitra, S; Miville Deschenes, M; Moneti, A; Montier, L; Morgante, G; Mortlock, D; Moss, A; Munshi, D; Murphy, J; Naselsky, P; Nastasi, A; Nati, F; Natoli, P; Netterfield, C; Norgaard Nielsen, H; Noviello, F; Novikov, D; Novikov, I; Olamaie, M; Oxborrow, C; Paci, F; Pagano, L; Pajot, F; Paoletti, D; Pasian, F; Patanchon, G; Pearson, T; Perdereau, O; Perotto, L; Perrott, Y; Perrotta, F; Pettorino, V; Piacentini, F; Piat, M; Pierpaoli, E; Pietrobon, D; Plaszczynski, S; Pointecouteau, E; Polenta, G; Pratt, G; Prezeau, G; Prunet, S; Puget, J; Rachen, J; Reach, W; Rebolo, R; Reinecke, M; Remazeilles, M; Renault, C; Renzi, A; Ristorcelli, I; Rocha, G; Rosset, C; Rossetti, M; Roudier, G; Rozo, E; Rubino Martin, J; Rumsey, C; Rusholme, B; Rykoff, E; Sandri, M; Santos, D; Saunders, R; Savelainen, M; Savini, G; Schammel, M; Scott, D; Seiffert, M; Shellard, E; Shimwell, T; Spencer, L; Stanford, S; Stern, D; Stolyarov, V; Stompor, R; Streblyanska, A; Sudiwala, R; Sunyaev, R; Sutton, D; Suur Uski, A; Sygnet, J; Tauber, J; Terenzi, L; Toffolatti, L; Tomasi, M; Tramonte, D; Tristram, M; Tucci, M; Tuovinen, J; Umana, G; Valenziano, L; Valiviita, J; Van Tent, B; Vielva, P; Villa, F; Wade, L; Wandelt, B; Wehus, I; White, S; Wright, E; Yvon, D; Zacchei, A; Zonca, A
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