19 August 2014 The status of MUSIC: the multiwavelength sub-millimeter inductance camera
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The Multiwavelength Sub/millimeter Inductance Camera (MUSIC) is a four-band photometric imaging camera operating from the Caltech Submillimeter Observatory (CSO). MUSIC is designed to utilize 2304 microwave kinetic inductance detectors (MKIDs), with 576 MKIDs for each observing band centered on 150, 230, 290, and 350 GHz. MUSIC’s field of view (FOV) is 14′ square, and the point-spread functions (PSFs) in the four observing bands have 45′′, 31′′, 25′′, and 22′′ full-widths at half maximum (FWHM). The camera was installed in April 2012 with 25% of its nominal detector count in each band, and has subsequently completed three short sets of engineering observations and one longer duration set of early science observations. Recent results from on-sky characterization of the instrument during these observing runs are presented, including achieved map- based sensitivities from deep integrations, along with results from lab-based measurements made during the same period. In addition, recent upgrades to MUSIC, which are expected to significantly improve the sensitivity of the camera, are described.
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Jack Sayers, Clint Bockstiegel, Spencer Brugger, Nicole G. Czakon, Peter K. Day, Thomas P. Downes, Ran P. Duan, Jiansong Gao, Amandeep K. Gill, Jason Glenn, Sunil R. Golwala, Matthew I. Hollister, Albert Lam, Henry G. LeDuc, Philip R. Maloney, Benjamin A. Mazin, Sean G. McHugh, David A. Miller, Anthony K. Mroczkowski, Omid Noroozian, Hien Trong Nguyen, James A. Schlaerth, Seth R. Siegel, Anastasios Vayonakis, Philip R. Wilson, Jonas Zmuidzinas, "The status of MUSIC: the multiwavelength sub-millimeter inductance camera", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 915304 (19 August 2014); doi: 10.1117/12.2055444; https://doi.org/10.1117/12.2055444


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