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CONCERTO at APEX: Installation and first phase of on-sky commissioning

De Petris, M., Catalano, A., Ade, P. ORCID:, Aravena, M., Barria, E., Beelen, A., Benoit, A., Béthermin, M., Bounmy, J., Bourrion, O., Bres, G., De Breuck, C., Calvo, M., Désert, F.-X., Durán, C.A, Duvauchelle, G., Eraud, L., Fasano, A., Fenouillet, T., Garcia, J., Garde, G., Goupy, J., Groppi, C., Hoarau, C., Hu, W., Lagache, G., Lambert, J.-C., Leggeri, J.-P., Levy-Bertrand, F., Macías-Pérez, J., Mani, H., Marpaud, J., Marton, M., Mauskopf, P. ORCID:, Monfardini, A., Pisano, G. ORCID:, Ponthieu, N., Prieur, L., Raffin, G., Roni, S., Roudier, S., Tourres, D., Tucker, C. ORCID:, Vivargent, L., Ferragamo, A. and Mayet, F. 2022. CONCERTO at APEX: Installation and first phase of on-sky commissioning. EPJ Web of Conferences 257 , 00010. 10.1051/epjconf/202225700010

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CONCERTO (CarbON CII line in post-rEionisation and ReionisaTiOn) is a large field-of-view (FoV) spectro-imager that has been installed on the Cassegrain Cabin of Atacama Pathfinder EXperiment (APEX) telescope in April 2021. CONCERTO hosts 2 focal planes and a total number of 4000 Kinetic Inductance Detectors (KID), with an instantaneous FoV of 18.6 arcminutes in the range of 130-310 GHz. The spectral resolution can be easily tuned down to 1 GHz depending on the scientific target. The scientific program of CONCERTO has many objectives, with two main programs focused on mapping the fluctuations of the [CII] line intensity in the reionisation and postreionisation epoch (4.5<8.5), and on studying galaxy clusters via the thermal and kinetic Sunyaev-Zel’dovich (SZ) effect. CONCERTO will also measure the dust and molecular gas contents of local and intermediate-redshift galaxies, it will study the Galactic star-forming clouds and finally it will observe the CO intensity fluctuations arising from 0.3<2 galaxies. The design of the instrument, installation at APEX and current status of the commissioning phase and science verification will be presented. Also we describe the deployment and first on-sky tests performed between April and June 2021.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Additional Information: This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0
Publisher: Società Italiana di Fisica
ISSN: 2100-014X
Date of First Compliant Deposit: 11 March 2022
Date of Acceptance: 17 January 2022
Last Modified: 10 Nov 2022 10:50

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