Detection of the tSZ effect with the NIKA camera

Comis, B., Adam, R., Adane, A., Ade, P. ORCID: https://orcid.org/0000-0002-5127-0401, Andre, P., Beelen, A., Belier, B., Benoit, A., Bideaud, A., Billot, N., Bourrion, O., Calvo, M., Catalano, A., Coiffard, G., D'Addabbo, A., Desert, F. -X., Doyle, S. ORCID: https://orcid.org/0000-0002-9054-986X, Goupy, J., Kramer, C., Leclercq, S., Macias-Perez, J. F., Martino, J., Mauskopf, P. ORCID: https://orcid.org/0000-0001-6397-5516, Mayet, F., Monfardini, A., Pajot, D., Pascale, E., Pintecouteau, E., Ponthieu, N., Reveret, V., Rodriquez, L., Savini, G., Schuster, K., Sievers, A., Tucker, C. ORCID: https://orcid.org/0000-0002-1851-3918 and Zylka, R. 2013. Detection of the tSZ effect with the NIKA camera. Presented at: Societe Francaise D'Astornomie & D'Astrophysique Semaine de l'Astophysique 2013 (SF2A 2013), Montpellier, France, 04-07 June 2013. Published in: Cambresy, L., Martins, F., Nuss, E. and Palacios, A. eds. Proceedings of the annual meeting of the French Society of Astronomy & Astrophysics. SF2A, pp. 331-335.

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Abstract

We present the first detection of the thermal Sunyaev-Zel'dovich (tSZ) effect from a cluster of galaxies performed with a KIDs (Kinetic Inductance Detectors) based instrument. The tSZ effect is a distortion of the black body CMB (Cosmic Microwave Background) spectrum produced by the inverse Compton interaction of CMB photons with the hot electrons of the ionized intra-cluster medium. The massive, intermediate redshift cluster RX J1347.5-1145 has been observed using {NIKA} (New IRAM KIDs arrays), a dual-band (140 and 240 GHz) mm-wave imaging camera, which exploits two arrays of hundreds of KIDs: the resonant frequencies of the superconducting resonators are shifted by mm-wave photons absorption. This tSZ cluster observation demonstrates the potential of the next generation {NIKA2} instrument, being developed for the 30m telescope of IRAM, at Pico Veleta (Spain). {NIKA2} will have 1000 detectors at 140GHz and 2x2000 detectors at 240GHz, providing in that band also a measurement of the linear polarization. {NIKA2} will be commissioned in 2015.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Schools > Physics and Astronomy
Publisher:	SF2A
Last Modified:	24 Oct 2025 21:55
URI:	https://orca.cardiff.ac.uk/id/eprint/156681

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