8 August 2016 Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera
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Abstract
The Tomo-e Gozen camera is a next-generation, extremely wide field optical camera, equipped with 84 CMOS sensors. The camera records about a 20 square degree area at 2 Hz, providing “astronomical movie data”. We have developed a prototype of the Tomo-e Gozen camera (hereafter, Tomo-e PM), to evaluate the basic design of the Tomo-e Gozen camera. Tomo-e PM, equipped with 8 CMOS sensors, can capture a 2 square degree area at up to 2 Hz. Each CMOS sensor has about 2.6 M pixels. The data rate of Tomo-e PM is about 80 MB/s, corresponding to about 280 GB/hour. We have developed an operating system and reduction softwares to handle such a large amount of data. Tomo-e PM was mounted on 1.0-m Schmidt Telescope in Kiso Observatory at the University of Tokyo. Experimental observations were carried out in the winter of 2015 and the spring of 2016. The observations and software implementation were successfully completed. The data reduction is now in execution.
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Ryou Ohsawa, Ryou Ohsawa, Shigeyuki Sako, Shigeyuki Sako, Hidenori Takahashi, Hidenori Takahashi, Yuki Kikuchi, Yuki Kikuchi, Mamoru Doi, Mamoru Doi, Naoto Kobayashi, Naoto Kobayashi, Tsutomu Aoki, Tsutomu Aoki, Ko Arimatsu, Ko Arimatsu, Makoto Ichiki, Makoto Ichiki, Shiro Ikeda, Shiro Ikeda, Yoshifusa Ita, Yoshifusa Ita, Toshihiro Kasuga, Toshihiro Kasuga, Hideo Kawakita, Hideo Kawakita, Mitsuru Kokubo, Mitsuru Kokubo, Hiroyuki Maehara, Hiroyuki Maehara, Noriyuki Matsunaga, Noriyuki Matsunaga, Hiroyuki Mito, Hiroyuki Mito, Kazuma Mitsuda, Kazuma Mitsuda, Takashi Miyata, Takashi Miyata, Kiyoshi Mori, Kiyoshi Mori, Yuki Mori, Yuki Mori, Mikio Morii, Mikio Morii, Tomoki Morokuma, Tomoki Morokuma, Kentaro Motohara, Kentaro Motohara, Yoshikazu Nakada, Yoshikazu Nakada, Shin-ichiro Okumura, Shin-ichiro Okumura, Hiroki Onozato, Hiroki Onozato, Kentaro Osawa, Kentaro Osawa, Yuki Sarugaku, Yuki Sarugaku, Mikiya Sato, Mikiya Sato, Toshikazu Shigeyama, Toshikazu Shigeyama, Takao Soyano, Takao Soyano, Masaomi Tanaka, Masaomi Tanaka, Yuki Taniguchi, Yuki Taniguchi, Ataru Tanikawa, Ataru Tanikawa, Ken'ichi Tarusawa, Ken'ichi Tarusawa, Nozomu Tominaga, Nozomu Tominaga, Tomonori Totani, Tomonori Totani, Seitaro Urakawa, Seitaro Urakawa, Fumihiko Usui, Fumihiko Usui, Junichi Watanabe, Junichi Watanabe, Jumpei Yamaguchi, Jumpei Yamaguchi, Makoto Yoshikawa, Makoto Yoshikawa, } "Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 991339 (8 August 2016); doi: 10.1117/12.2231615; https://doi.org/10.1117/12.2231615
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