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KISS: a spectrometric imager for millimetre cosmology

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arxiv 1911.04917 v2 pith:4MLPUAW4 submitted 2019-11-12 astro-ph.IM astro-ph.CO

KISS: a spectrometric imager for millimetre cosmology

classification astro-ph.IM astro-ph.CO
keywords kissgalaxiesimagerrespectspectrometricuniverseanisotropiesapproach
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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