High-resolution tSZ cartography of clusters of galaxies with NIKA at the IRAM 30-m telescope

Mayet, F., Adam, R., Adane, A., Ade, P. ORCID: https://orcid.org/0000-0002-5127-0401, Andre, P., Arnaud, M., Batalucci, I., Beelen, A., Benoit, A., Bideaud, A., Billot, N., Blanquer, G., Boudou, N., Bourrion, O., Calvo, M., Catalano, A., Coiffard, G., Comis, B., Cruciani, A., Desert, F. -X., Doyle, S., Goupy, J., Hasnoun, B., Hermelo, I., Kramer, C., Lagache, G., Leclercq, S., Macias-Perez, J. F., Mauskopf, P. ORCID: https://orcid.org/0000-0001-6397-5516, Monfardini, A., Pajot, F., Perotto, L., Pointecouteau, E., Ponthieu, N., Pratt, G. W., Reveret, V., Ritacco, A., Rodriguez, L., Ruppin, F., Schuster, K., Sievers, A., Triqueneaux, S., Tucker, C. ORCID: https://orcid.org/0000-0002-1851-3918 and Zylka, R. 2016. High-resolution tSZ cartography of clusters of galaxies with NIKA at the IRAM 30-m telescope. Presented at: 28th Texas Symposium on Relativistic Astrophysics, Geneva, Switzerland, 13-18 December 2015. Proceedings of the 28th Texas Symposium on Relativistic Astrophysics.

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Abstract

The thermal Sunyaev-Zeldovich effect (tSZ) is a powerful probe to study clusters of galaxies and is complementary with respect to X-ray, lensing or optical observations. Previous arcmin resolution tSZ observations ({\it e.g.} SPT, ACT and Planck) only enabled detailed studies of the intra-cluster medium morphology for low redshift clusters ($z 〈 0.2$). Thus, the development of precision cosmology with clusters requires high angular resolution observations to extend the understanding of galaxy cluster towards high redshift. NIKA2 is a wide-field (6.5 arcmin field of view) dual-band camera, operated at $100 \ {\rm mK}$ and containing $\sim 3300$ KID (Kinetic Inductance Detectors), designed to observe the millimeter sky at 150 and 260 GHz, with an angular resolution of 18 and 12 arcsec respectively. The NIKA2 camera has been installed on the IRAM 30-m telescope (Pico Veleta, Spain) in September 2015. The NIKA2 tSZ observation program will allow us to observe a large sample of clusters (50) at redshift ranging between 0.5 and 1. As a pathfinder for NIKA2, several clusters of galaxies have been observed at the IRAM 30-m telescope with the NIKA prototype to cover the various configurations and observation conditions expected for NIKA2.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Last Modified:	04 May 2023 13:00
URI:	https://orca.cardiff.ac.uk/id/eprint/156789

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