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Cluster cosmology with the NIKA2 SZ large program

Mayet, F., Adam, R., Ade, P., 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., 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., Monfardini, A., Perotto, L., Pisano, G., 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. 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: 11 Feb 2021 02:36

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