Hyper Suprime-Cam: Performance of the CCD Readout Electronics

被引:2
|
作者
Nakaya, Hidehiko [1 ]
Miyatake, Hironao [2 ]
Uchida, Tomohisa [3 ]
Fujimori, Hiroki [2 ]
Mineo, Sogo [2 ]
Aihara, Hiroaki [2 ]
Furusawa, Hisanori [1 ]
Kamata, Yukiko [1 ]
Karoji, Hiroshi [1 ]
Kawanomoto, Satoshi [1 ]
Komiyama, Yutaka [1 ]
Miyazaki, Satoshi [1 ]
Morokuma, Tomoki [1 ]
Obuchi, Yoshiyuki [1 ]
Okura, Yuki [1 ]
Tanaka, Manobu [3 ]
Tanaka, Yoko [1 ]
Uraguchi, Fumihiro [1 ]
Utsumi, Yousuke [1 ]
机构
[1] Natl Inst Nat Sci, Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
[2] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[3] High Energy Accelerator Res Org, Oho, Ibaraki 3050801, Japan
关键词
CCD; Wide-field camera; Detector Controller; SUBARU TELESCOPE; INSTRUMENTS;
D O I
10.1117/12.925764
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Hyper Suprime-Cam (HSC) employs 116 pieces of 2kx4k 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 similar to 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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页数:7
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