Issue |
EPJ Web Conf.
Volume 293, 2024
mm Universe 2023 - Observing the Universe at mm Wavelengths
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Article Number | 00040 | |
Number of page(s) | 6 | |
DOI | https://doi.org/10.1051/epjconf/202429300040 | |
Published online | 28 March 2024 |
https://doi.org/10.1051/epjconf/202429300040
The NIKA2 Sunyaev-Zeldovich Large Program
Sample and upcoming product public release
1 Université Grenoble Alpes, CNRS, Grenoble INP, LPSC-IN2P3, 38000 Grenoble, France
2 Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, France
3 School of Physics and Astronomy, Cardiff University, CF24 3AA, UK
4 Université Paris-Saclay, Université Paris Cité, CEA, CNRS, AIM, 91191, Gif-sur-Yvette, France
5 Max Planck Institute for Extraterrestrial Physics, 85748 Garching, Germany
6 Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain
7 Univ. de La Laguna, Departamento de Astrofísica, E-38206 La Laguna, Tenerife, Spain
8 INAF, IASF-Milano, Via A. Corti 12, 20133 Milano, Italy
9 Aix Marseille Univ, CNRS, CNES, LAM, Marseille, France
10 Université Grenoble Alpes, CNRS, Institut Néel, France
11 Institut de Radioastronomie Millimétrique (IRAM), 38406 Saint Martin d’Hères, France
12 Dipartimento di Fisica, Sapienza Università di Roma, I-00185 Roma, Italy
13 Univ. Grenoble Alpes, CNRS, IPAG, 38000 Grenoble, France
14 Institute for Research in Fundamental Sciences (IPM), Larak Garden, 19395-5531 Tehran, Iran
15 Centro de Astrobiología (CSIC-INTA), Torrejón de Ardoz, 28850 Madrid, Spain
16 National Observatory of Athens, IAASARS, GR-15236, Athens, Greece
17 Faculty of Physics, University of Athens, GR-15784 Zografos, Athens, Greece
18 High Energy Physics Division, Argonne National Laboratory, Lemont, IL 60439, USA
19 Instituto de Radioastronomía Milimétrica (IRAM), E 18012 Granada, Spain
20 LERMA, Observatoire de Paris, PSL Research Univ., CNRS, Sorbonne Univ., UPMC, 75014 Paris, France
21 School of Earth & Space and Department of Physics, Arizona State University, AZ 85287, USA
22 Université de Toulouse, UPS-OMP, CNRS, IRAP, 31028 Toulouse, France
23 School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
24 INAF-Osservatorio Astronomico di Cagliari, 09047 Selargius, Italy
25 LPENS, ENS, PSL Research Univ., CNRS, Sorbonne Univ., Université de Paris, 75005 Paris, France
26 Department of Physics and Astronomy, University of Pennsylvania, PA 19104, USA
27 Institut d’Astrophysique de Paris, CNRS (UMR7095), 75014 Paris, France
28 University of Lyon, UCB Lyon 1, CNRS/IN2P3, IP2I, 69622 Villeurbanne, France
29 Departamento de Física Teórica and CIAFF, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
* e-mail: laurence.perotto@lpsc.in2p3.fr
Published online: 28 March 2024
The NIKA2 camera operating at the IRAM 30-m telescope excels in high-angular resolution mapping of the thermal Sunyaev-Zel’dovich effect towards galaxy clusters at intermediate and high-redshift. As part of the NIKA2 guaranteed-time, the SZ Large Program (LPSZ) aims at tSZ-mapping a representative sample of SZ-selected galaxy clusters in the catalogues of the Planck satellite and of the Atacama Cosmology Telescope, and also observed in X-ray with XMM-Newton or Chandra. Having completed observations in January 2023, we present tSZ maps of 38 clusters spanning the targeted mass (3 < M500/1014M⊙ < 10) and redshift (0.5 < z < 0.9) range. The first in-depth studies of individual clusters highlight the potential of combining tSZ and X-ray observations at similar angular resolution for precised mass measurements under the hydrostatic assumption MHSE. These were milestones for the development of a standard data analysis pipeline to go from NIKA2 raw data to the thermodynamic properties of galaxy clusters for the upcoming LPSZ data release. Final products will include measurements of the mean pressure profile of unprecedented quality and MHSE-observable scaling relation using a distinctive SZ-selected sample, which will be key for ultimately improving the accuracy of cluster-based cosmology.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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