Hyper Suprime-Cam: performance of the CCD readout electronics

Hidehiko Nakaya; Hironao Miyatake; Tomohisa Uchida; Hiroki Fujimori; Sogo Mineo; Hiroaki Aihara; Hisanori Furusawa; Yukiko Kamata; Hiroshi Karoji; Satoshi Kawanomoto; Yutaka Komiyama; Satoshi Miyazaki; Tomoki Morokuma; Yoshiyuki Obuchi; Yuki Okura; Manobu Tanaka; Yoko Tanaka; Fumihiro Uraguchi; Yousuke Utsumi

doi:10.1117/12.925764

25 September 2012 Hyper Suprime-Cam: performance of the CCD readout electronics

Hidehiko Nakaya, Hironao Miyatake, Tomohisa Uchida, Hiroki Fujimori, Sogo Mineo, Hiroaki Aihara, Hisanori Furusawa, Yukiko Kamata, Hiroshi Karoji, Satoshi Kawanomoto, Yutaka Komiyama, Satoshi Miyazaki, Tomoki Morokuma, Yoshiyuki Obuchi, Yuki Okura, Manobu Tanaka, Yoko Tanaka, Fumihiro Uraguchi, Yousuke Utsumi

Author Affiliations +

Proceedings Volume 8453, High Energy, Optical, and Infrared Detectors for Astronomy V; 84532R (2012) https://doi.org/10.1117/12.925764
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Hyper Suprime-Cam (HSC) employs 116 pieces of 2k×4k fully-depleted CCD with a total of 464 signal outputs to cover the 1.5 degrees diameter field of view. The readout electronics was designed to achieve ~5 e of the readout noise and 150000 e of the fullwell capacity with 20 seconds readout time. Although the image size exceeds 2G Bytes, the readout electronics supports the 10 seconds readout time for the entire CCDs continuously. All of the readout electronics and the CCDs have already been installed in the camera dewar. The camera has been built with equipment such as coolers and an ion pump. We report the readout performance of all channels of the electronics extracted from the recent test data.

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Hidehiko Nakaya, Hironao Miyatake, Tomohisa Uchida, Hiroki Fujimori, Sogo Mineo, Hiroaki Aihara, Hisanori Furusawa, Yukiko Kamata, Hiroshi Karoji, Satoshi Kawanomoto, Yutaka Komiyama, Satoshi Miyazaki, Tomoki Morokuma, Yoshiyuki Obuchi, Yuki Okura, Manobu Tanaka, Yoko Tanaka, Fumihiro Uraguchi, and Yousuke Utsumi "Hyper Suprime-Cam: performance of the CCD readout electronics", Proc. SPIE 8453, High Energy, Optical, and Infrared Detectors for Astronomy V, 84532R (25 September 2012); https://doi.org/10.1117/12.925764

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