Development of a prototype of the Tomo-e Gozen wide field CMOS camera

被引：15

作者：

Sako, Shigeyuki ^{[1
,2
]}

Ohsawa, Ryou ^{[1
]}

Takahashi, Hidenori ^{[1
]}

Kikuchi, Yuki ^{[1
]}

Doi, Mamoru ^{[1
,3
]}

Kobayashi, Naoto ^{[1
]}

Aoki, Tsutomu ^{[4
]}

Arimatsu, Ko ^{[5
]}

Ichiki, Makoto ^{[1
]}

Ikeda, Shiro ^{[6
]}

Ita, Yoshifusa ^{[7
]}

Kasuga, Toshihiro ^{[8
]}

Kawakita, Hideyo ^{[9
]}

Kokubo, Mitsuru ^{[1
]}

Maehara, Hiroyuki ^{[10
]}

Matsunaga, Noriyuki ^{[11
]}

Mito, Hiroyuki ^{[4
]}

Mitsuda, Kazuma ^{[1
]}

Miyata, Takashi ^{[1
]}

Mori, Kiyoshi ^{[1
]}

Mori, Yuki ^{[4
]}

Morii, Mikio ^{[6
]}

Morokuma, Tomoki ^{[1
]}

Motohara, Kentaro ^{[1
]}

Nakada, Yoshikazu ^{[1
]}

Osawa, Kentaro ^{[1
]}

Okumura, Shin-ichiro ^{[12
]}

Onozato, Hiroki ^{[7
]}

Sarugaku, Yuki ^{[4
]}

Sato, Mikiya ^{[13
]}

Shigeyama, Toshikazu ^{[3
]}

Soyano, Takao ^{[4
]}

Tanaka, Masaomi ^{[5
]}

Taniguchi, Yuki ^{[1
]}

Tanikawa, Ataru ^{[14
]}

Tarusawa, Ken'ichi ^{[4
]}

Tominaga, Nozomu ^{[15
]}

Totani, Tomonori ^{[11
]}

Urakawa, Seitaro ^{[12
]}

Usui, Fumihiko ^{[16
]}

Watanabe, Junichi ^{[5
]}

Yamaguchi, Jumpei ^{[1
]}

Yoshikawa, Makoto ^{[17
]}

机构：

[1] Univ Tokyo, Grad Sch Sci, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan

[2] Japan Sci & Technol Agcy, Precursory Res Embryon Sci & Technol, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan

[3] Univ Tokyo, Grad Sch Sci, Res Ctr Early Universe, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[4] Univ Tokyo, Grad Sch Sci, Inst Astron, Kiso Observ, 10762-30 Mitake, Kiso, Nagano 3970101, Japan

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

[6] Inst Stat Math, 10-3 Midori Cho, Tachikawa, Tokyo 1908562, Japan

[7] Tohoku Univ, Astron Inst, Aoba Ku, 6-3 Aramaki, Sendai, Miyagi 9808578, Japan

[8] Chiba Inst Technol, Planetary Explorat Res Ctr, 2-17-1 Tsudanuma, Narashino, Chiba 2750016, Japan

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

[10] Natl Astron Observ Japan, Okayama Astrophys Observ, 3037-5 Honjo, Asaguchi, Okayama 7190232, Japan

[11] Univ Tokyo, Grad Sch Sci, Dept Astron, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[12] Japan Spaceguard Assoc, Bisei Spaceguard Ctr, 1716-3 Okura, Ibara, Okayama 7141411, Japan

[13] Kawasaki Municipal Sci Museum, Tama Ku, 7-1-1 Masugata, Kawasaki, Kanagawa 2140032, Japan

[14] Univ Tokyo, Coll Arts & Sci, Meguro Ku, 3-8-1 Komaba, Tokyo 1538902, Japan

[15] Konan Univ, Higashinada Ku, 8-9-1 Okamoto, Kobe, Hyogo 6588501, Japan

[16] Kobe Univ, Ctr Planetary Sci, Chuo Ku, 7-1-48 Minamimachi, Kobe, Hyogo 6500047, Japan

[17] Japan Aerosp eXplorat Agcy, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI | 2016年 / 9908卷

关键词：

wide field; CMOS sensor; optical; time domain; movie data; big data; Kiso observatory; Schmidt telescope;

D O I：

10.1117/12.2231259

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Tomo-e Gozen is an extremely wide-field optical camera for the Kiso 1.0-m Schmidt telescope. It is capable of taking consecutive frames with a field-of-view of 20 deg(2) and a sub-second time-resolution, which are achieved by 84 chips of 2k x 1k CMOS sensor. This camera adopts unconventional designs including a lightweight structure, a non-vacuumed and naturally-air cooled system, front-side-illuminated CMOS sensors with microlens arrays, a sensor alignment along a spherical focal plane of the telescope, and massive readout electronics. To develop technical components necessary for the Tomo-e Gozen and confirm a feasibility of its basic design, we have developed a prototype-model (PM) of the Tomo-e Gozen prior to the final-model (FM). The Tomo-e PM is equipped with eight chips of the CMOS sensor arranged in a line along the RA direction, covering a sky area of 2.0 deg(2). The maximum frame rate is 2 fps. The total data production rate is 80 MByte sec(-1) at 2 fps, corresponding to approximately 3 TByte night(-1). After laboratory testing, we have successfully obtained consecutive movie data at 2 fps with the Tomo-e PM in the first commissioning run conducted in the end of 2015.

引用

页数：15

共 29 条

[1] The Tomo-e Gozen wide field CMOS camera for the Kiso Schmidt telescope
Sako, Shigeyuki
Ohsawa, Ryou
Takahashi, Hidenori
Kojima, Yuto
Doi, Mamoru
Kobayashi, Naoto
Aoki, Tsutomu
Arima, Noriaki
Arimatsu, Ko
Ichiki, Makoto
Ikeda, Shiro
Inooka, Kota
Ita, Yoshifusa
Kasuga, Toshihiro
Kokubo, Mitsuru
Konishi, Masahiro
Maehara, Hiroyuki
Matsunaga, Noriyuki
Mitsuda, Kazuma
Miyata, Takashi
Mori, Yuki
Morii, Mikio
Morokuma, Tomoki
Motohara, Kentaro
Nakada, Yoshikazu
Okumura, Shin-ichiro
Sarugaku, Yuki
Sato, Mikiya
Shigeyama, Toshikazu
Soyano, Takao
Tanaka, Masaomi
Tarusawa, Ken'ichi
Tominaga, Nozomu
Totani, Tomonori
Urakawa, Seitaro
Usui, Fumihiko
Watanabe, Junichi
Yamashita, Takuya
Yoshikawa, Makoto
GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII, 2018, 10702
[2] Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera
Ohsawa, Ryou
Sako, Shigeyuki
Takahashi, Hidenori
Kikuchi, Yuki
Doi, Mamoru
Kobayashi, Naoto
Aoki, Tsutomu
Arimatsu, Ko
Ichiki, Makoto
Ikeda, Shiro
Ita, Yoshifusa
Kasuga, Toshihiro
Kawakita, Hideo
Kokubo, Mitsuru
Maehara, Hiroyuki
Matsunaga, Noriyuki
Mito, Hiroyuki
Mitsuda, Kazuma
Miyata, Takashi
Mori, Kiyoshi
Mori, Yuki
Morii, Mikio
Morokuma, Tomoki
Motohara, Kentaro
Nakada, Yoshikazu
Okumura, Shin-ichiro
Onozato, Hiroki
Osawa, Kentaro
Sarugaku, Yuki
Sato, Mikiya
Shigeyama, Toshikazu
Soyano, Takao
Tanaka, Masaomi
Taniguchi, Yuki
Tanikawa, Ataru
Tarusawa, Ken'ichi
Tominaga, Nozomu
Totani, Tomonori
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Usui, Fumihiko
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[3] Evaluation of large pixel CMOS image sensors for the Tomo-e Gozen wide field camera
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Konishi, Masahiro
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Matsunaga, Noriyuki
Mitsuda, Kazuma
Miyata, Takashi
Mori, Yuki
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Motohara, Kentaro
Nakada, Yoshikazu
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Konishi, Masahiro
Aoki, Tsutomu
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[5] Optical Variability of Blazars in the Tomo-e Gozen Northern Sky Transient Survey
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[6] Video observations of tiny near-Earth objects with Tomo-e Gozen
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[7] DATA COMPRESSION FOR THE TOMO-e GOZEN USING LOW-RANK MATRIX APPROXIMATION
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