Hyper Suprime-Cam: implementation and performance of the cryogenic dewar

Yoshiyuki Obuchi; Yutaka Komiyama; Yukiko Kamata; Satoshi Kawanomoto; Satoshi Miyazaki; Tomoki Morokuma; Hidehiko Nakaya; Fumihiro Uraguchi; Yosuke Utsumi

doi:10.1117/12.926961

24 September 2012 Hyper Suprime-Cam: implementation and performance of the cryogenic dewar

Yoshiyuki Obuchi, Yutaka Komiyama, Yukiko Kamata, Satoshi Kawanomoto, Satoshi Miyazaki, Tomoki Morokuma, Hidehiko Nakaya, Fumihiro Uraguchi, Yosuke Utsumi

Author Affiliations +

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84466Q (2012) https://doi.org/10.1117/12.926961
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Hyper Suprime-Cam (HSC) is a next generation wide field optical camera developed for F/2 prime focus of the 8.2 m Subaru telescope. The focal plane is about 600 mm in diameter where 116 CCDs (2k4k 15 micron square each) are arranged and cooled down to -100°C. The HSC CCD cryostat system design is presented by Komiyama et al. (2010). Since then, we made detail designs of the components, manufactured them and assembled the dewar. This paper presents the actual performance of the system including flatness and parallelism of the SiC cold plate, stability of its temperature, the amount of out-gassing.

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Yoshiyuki Obuchi, Yutaka Komiyama, Yukiko Kamata, Satoshi Kawanomoto, Satoshi Miyazaki, Tomoki Morokuma, Hidehiko Nakaya, Fumihiro Uraguchi, and Yosuke Utsumi "Hyper Suprime-Cam: implementation and performance of the cryogenic dewar", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84466Q (24 September 2012); https://doi.org/10.1117/12.926961

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