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Cluster cosmology with the NIKA2 SZ large program

Mayet, F., Adam, R., Ade, P. ORCID:, André, P., Andrianasolo, A., Arnaud, M., Aussel, H., Bartalucci, I., Beelen, A., Benoît, A., Bideaud, A., Bourrion, O., Calvo, M., Catalano, A., Comis, B., De Petris, M., Désert, F.-X., Doyle, S. ORCID:, Driessen, E.F.C., Gomez, A., Goupy, J., Kéruzoré, F., Kramer, C., Ladjelate, B., Lagache, G., Leclercq, S., Lestrade, J.-F., Macías-Pérez, J.F., Mauskopf, P. ORCID:, Monfardini, A., Perotto, L., Pisano, G. ORCID:, Pointecouteau, E., Ponthieu, N., Pratt, G.W., Revéret, V., Ritacco, A., Romero, C., Roussel, H., Ruppin, F., Schuster, K., Shu, S., Sievers, A., Tucker, C. ORCID: and Zylka, R. 2020. Cluster cosmology with the NIKA2 SZ large program. EPJ Web of Conferences 228 , 00017. 10.1051/epjconf/202022800017

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he main limiting factor of cosmological analyses based on thermal Sunyaev-Zel’dovich (SZ) cluster statistics comes from the bias and systematic uncertainties that affect the estimates of the mass of galaxy clusters. High-angular resolution SZ observations at high redshift are needed to study a potential redshift or morphology dependence of both the mean pressure profile and of the mass-observable scaling relation used in SZ cosmological analyses. The NIKA2 camera is a new generation continuum instrument installed at the IRAM 30-m telescope. With a large field of view, a high angular resolution and a high-sensitivity, the NIKA2 camera has unique SZ mapping capabilities. In this paper, we present the NIKA2 SZ large program, aiming at observing a large sample of clusters at redshifts between 0.5 and 0.9, and the characterization of the first cluster oberved with NIKA2.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: EDP Sciences
ISSN: 2100-014X
Date of First Compliant Deposit: 10 March 2020
Date of Acceptance: 27 January 2020
Last Modified: 05 May 2023 20:37

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