Hyper Suprime-Cam: System design and verification of image quality

被引：341

作者：

Miyazaki, Satoshi ^{[1
,2
]}

Komiyama, Yutaka ^{[1
,2
]}

Kawanomoto, Satoshi ^{[1
]}

Doi, Yoshiyuki ^{[1
]}

Furusawa, Hisanori ^{[1
]}

Hamana, Takashi ^{[1
]}

Hayashi, Yusuke ^{[1
]}

Ikeda, Hiroyuki ^{[1
]}

Kamata, Yukiko ^{[1
]}

Karoji, Hiroshi ^{[1
]}

Koike, Michitaro ^{[1
]}

Kurakami, Tomio ^{[1
]}

Miyama, Shoken ^{[1
,3
]}

Morokuma, Tomoki ^{[1
,4
]}

Nakata, Fumiaki ^{[1
]}

Namikawa, Kazuhito ^{[1
]}

Nakaya, Hidehiko ^{[1
]}

Nariai, Kyoji ^{[1
]}

Obuchi, Yoshiyuki ^{[1
]}

Oishi, Yukie ^{[1
]}

Okada, Norio ^{[1
]}

Okura, Yuki ^{[1
]}

Tait, Philip ^{[1
]}

Takata, Tadafumi ^{[1
]}

Tanaka, Yoko ^{[1
]}

Tanaka, Masayuki ^{[1
]}

Terai, Tsuyoshi ^{[1
]}

Tomono, Daigo ^{[1
]}

Uraguchi, Fumihiro ^{[1
]}

Usuda, Tomonori ^{[1
]}

Utsumi, Yousuke

Yamada, Yoshihiko ^{[1
]}

Yamanoi, Hitomi ^{[1
]}

Aihara, Hiroaki ^{[5
,6
]}

Fujimori, Hiroki ^{[5
]}

Mineo, Sogo ^{[1
,5
]}

Miyatake, Hironao ^{[6
,7
,8
]}

Oguri, Masamune ^{[5
]}

Uchida, Tomohisa ^{[9
]}

Tanaka, Manobu M. ^{[9
,10
]}

Yasuda, Naoki ^{[6
]}

Takada, Masahiro ^{[6
]}

Murayama, Hitoshi ^{[6
]}

Nishizawa, Atsushi J. ^{[11
]}

Sugiyama, Naoshi ^{[11
]}

Chiba, Masashi ^{[12
]}

Futamase, Toshifumi ^{[12
,13
]}

Wang, Shiang-Yu ^{[14
]}

Chen, Hsin-Yo ^{[14
]}

Ho, Paul T. P. ^{[14
]}

机构：

[1] Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[2] SOKENDAI, Dept Astron Sci, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[3] Hiroshima Univ, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 7398526, Japan

[4] Univ Tokyo, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan

[5] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[6] Univ Tokyo, Kavli Inst Phys & Math Universe, WPI, 5-1-5 Kashiwa No Ha, Kashiwa, Chiba 2778582, Japan

[7] Princeton Univ Observ, 4 Ivy Ln, Princeton, NJ 08544 USA

[8] Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[9] KEK, High Energy Accelerator Res Org, Inst Particle & Nucl Studies, 1-1 Oho, Tsukuba, Ibaraki 3050801, Japan

[10] Grad Univ Adv Studies, Dept Particle & Nucl Phys, 1-1 Oho, Tsukuba, Ibaraki 3050801, Japan

[11] Nagoya Univ, Inst Adv Res, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648602, Japan

[12] Tohoku Univ, Aoba Ku, 6-3 Aoba, Sendai, Miyagi 9808578, Japan

[13] Kyoto Sangyo Univ, Kita Ku, Kyoto, Kyoto 6038555, Japan

[14] Acad Sinica, Inst Astron & Astrophys, 1,Sec 4,Roosevelt Rd, Taipei 10617, Taiwan

[15] Chung Shan Inst Sci & Technol, Aeronaut Syst Res Div, 300-5,Ln 277,Xi An St, Taichung 40722, Taiwan

[16] MRJ, 2-16-2 Kugenuma Kaigan, Fujisawa, Kanagawa 2510037, Japan

[17] Hamamatsu Photon KK, Higashi Ku, 1126-1 Ichino Cho, Hamamatsu, Shizuoka 4358558, Japan

[18] Mitsubishi Elect, 8-1-1 Tsukaguchi Honmachi, Amagasaki, Hyogo 6610001, Japan

[19] Canon, 19-1 Kiyohara Ind Pk, Utsunomiya, Tochigi 3213293, Japan

[20] Okamoto Opt, Isogo Ku, 8-34 Haramachi, Yokohama, Kanagawa 2350008, Japan

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2018年 / 70卷

基金：

日本科学技术振兴机构; 日本学术振兴会; 美国国家航空航天局;

关键词：

instrumentation: detectors; techniques: image processing; telescopes; READOUT ELECTRONICS; SUBARU TELESCOPE; CCD; UNIVERSE;

D O I：

10.1093/pasj/psx063

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Hyper Suprime-Cam (HSC) is an 870 megapixel prime focus optical imaging camera for the 8.2 m Subaru telescope. The wide-field corrector delivers sharp images of 0.'' 2 (FWHM) in the HSC-i band over the entire 1.degrees 5 diameter field of view. The collimation of the camera with respect to the optical axis of the primary mirror is done with hexapod actuators, the mechanical accuracy of which is a few microns. Analysis of the remaining wavefront error in off-focus stellar images reveals that the collimation of the optical components meets design specifications. While there is a flexure of mechanical components, it also is within the design specification. As a result, the camera achieves its seeing-limited imaging on Maunakea during most of the time; the median seeing over several years of observing is 0.'' 67 (FWHM) in the i band. The sensors use p-channel, fully depleted CCDs of 200 mu m thickness (2048 x 4176 15 mu m square pixels) and we employ 116 of them to pave the 50 cm diameter focal plane. The minimum interval between exposures is 34 s, including the time to read out arrays, to transfer data to the control computer, and to save them to the hard drive. HSC on Subaru uniquely features a combination of a large aperture, a wide field of view, sharp images and a high sensitivity especially at longer wavelengths, which makes the HSC one of the most powerful observing facilities in the world.

引用

页数：26

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