KISS: a spectrometric imager for millimetre cosmology

A. Fasano; M. Aguiar; A. Benoit; A. Bideaud; O. Bourrion; M. Calvo; A.; Catalano; A. P. de Taoro; G. Garde; A. Gomez; M. F. Gomez Renasco; J. Goupy,; C. Hoarau; R. Hoyland; J. F. Mac\'ias-P\'erez; J. Marpaud; A. Monfardini; G.; Pisano; N. Ponthieu; J. A. Rubi\~no Mart\'in; D. Tourres; C. Tucker; A.; Beelen; G. Bres; M. De Petris; P. de Bernardis; G. Lagache; M. Marton; R.; Rebolo; and S. Roudier

arXiv:1911.04917·astro-ph.IM·February 12, 2020

KISS: a spectrometric imager for millimetre cosmology

A. Fasano, M. Aguiar, A. Benoit, A. Bideaud, O. Bourrion, M. Calvo, A., Catalano, A. P. de Taoro, G. Garde, A. Gomez, M. F. Gomez Renasco, J. Goupy,, C. Hoarau, R. Hoyland, J. F. Mac\'ias-P\'erez, J. Marpaud, A. Monfardini, G., Pisano, N. Ponthieu, J. A. Rubi\~no Mart\'in

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TL;DR

KISS is a new spectrometric imager designed for millimeter cosmology, enabling improved component separation in studying galaxy clusters and CMB anisotropies through multi-frequency observations.

Contribution

The paper introduces the KISS instrument, a novel spectrometric imager for millimeter cosmology, enhancing SZ effect studies with multi-frequency capabilities.

Findings

01

Preliminary commissioning results demonstrate instrument functionality.

02

KISS improves component separation over previous experiments.

03

The instrument is suitable for studying galaxy clusters and CMB anisotropies.

Abstract

Clusters of galaxies are used to map the large-scale structures in the universe and as probe of universe evolution. They can be observed through the Sunyaev-Zel'dovich (SZ) effect. At this respect the spectro-imaging at low resolution frequency is an important tool, today, for the study of cluster of galaxies. We have developed KISS (KIDs-Interferometer-Spectrum-Survey), a spectrometric imager dedicated to the secondary anisotropies of the Cosmic Microwave Background (CMB). The multi-frequency approach permits to improve the component separation with respect to predecessor experiments. In this paper, firstly, we provide a description of the scientific context and the state of the art of SZ observations. Secondly, we describe the KISS instrument. Finally, we show preliminary results of the ongoing commissioning campaign.

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