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| Título: | Planck 2015 results. XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources |
Autor: | Ade, P. A. R.; Sutton, D.; Barreiro, R. Belén CSIC ORCID ; Bernard, J. P.; Bouchet, F. R.; Bonavera, Laura CSIC ORCID; Curto, Andrés CSIC; Zotti, G. de; Diego, José María CSIC ORCID ; González-Nuevo, J. CSIC ORCID; Herranz, D. CSIC ORCID ; Hernández-Monteagudo, Carlos; Levrier, F.; López-Caniego, M. CSIC ORCID; Macías-Pérez, J. F.; Martínez-González, Enrique CSIC ORCID ; Matarrese, S.; Rocha, G.; Toffolatti, L. CSIC ORCID; Vielva, Patricio CSIC ORCID ; Rebolo López, Rafael CSIC ORCID; Planck Collaboration | Palabras clave: | Cosmology: observations Galaxies: clusters: general Catalogues |
Fecha de publicación: | 2016 | Editor: | EDP Sciences | Citación: | Astronomy and Astrophysics 594: A27 (2016) | Resumen: | 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. | Descripción: | Catalogs and data.-- et al. | Versión del editor: | http://dx.doi.org/10.1051/0004-6361/201525823 | URI: | http://hdl.handle.net/10261/140614 | DOI: | 10.1051/0004-6361/201525823 | Identificadores: | doi: 10.1051/0004-6361/201525823 e-issn: 1432-0746 issn: 0004-6361 |
| Aparece en las colecciones: | (IFCA) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| XXVIIsecond.pdf | 5,61 MB | Adobe PDF |  Visualizar/Abrir |
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