Author:
Fasano A.,Catalano A.,Macías-Pérez J.F.,Aguiar M.,Beelen A.,Benoit A.,Bideaud A.,Bounmy J.,Bourrion O.,Bres G.,Calvo M.,Castro-Almazán J.A.,de Bernardis P.,De Petris M.,de Taoro A.P.,Fernández-Torreiro M.,Garde G.,Génova-Santos R.,Gomez A.,Gómez-Renasco M.F.,Goupy J.,Hoarau C.,Hoyland R.,Lagache G.,Marpaud J.,Marton M.,Monfardini A.,Peel M.W.,Pisano G.,Ponthieu N.,Rebolo R.,Roudier S.,Rubiño-Martín J.A.,Tourres D.,Tucker C.,Vescovi C.
Abstract
We describe the preliminary on-sky results of the KIDs Interferometer Spectrum Survey (KISS), a spectral imager with a 1 deg field of view (FoV). The instrument operates in the range 120–180 GHz from the 2.25m Q-U-I JOint TEnerife telescope in Teide Observatory (Tenerife, Canary Islands), at 2 395m altitude above sea level. Spectra at low resolution, up to 1.45 GHz, are obtained using a fast (3.72 Hz mechanical frequency) Fourier transform spectrometer, coupled to a continuous dilution cryostat with a stabilized temperature of 170mK that hosts two 316-pixel arrays of lumped-element kinetic inductance detectors. KISS generates more than 3 000 spectra per second during observations and represents a pathfinder to demonstrate the potential for spectral mapping with large FoV.We give an overall description of the spectral mapping paradigm and we present recent results from observations, in this paper.
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