Daisuke Akutsu
Osaka University
10 Papers
97 Citations
Daisuke Akutsu is an academic researcher from Osaka University. The author has contributed to research in topics: Operational amplifier & Charge-coupled device. The author has an hindex of 6, co-authored 10 publications.
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Papers
Overabundance of Calcium in the young SNR RX J0852$-$4622: evidence of over-production of $^{44}$Ti
TL;DR: In this article, an X-ray emission line at 4.1\pm 0.2$ keV was detected in the north-west shell region of RX J0852$-$4622.
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Fast and Flexible CCD Driver System Using Fast DAC and FPGA
Emi Miyata,Chikara Natsukari,Daisuke Akutsu,Tomoyuki Kamazuka,Masaharu Nomachi,Masanobu Ozaki +5 more
TL;DR: A completely new type of general-purpose CCD-data acquisition system which enables one to drive any type of CCD using any kind of clocking mode and it is found that the CCD functions well with this new system.
21
Developments of engineering model of the X-ray CCD camera of the MAXI experiment onboard the International Space Station
Emi Miyata,Emi Miyata,Chikara Natsukari,Tomoyuki Kamazuka,Daisuke Akutsu,Hirohiko Kouno,Hiroshi Tsunemi,Hiroshi Tsunemi,Masaru Matsuoka,H. Tomida,Shiro Ueno,Kenji Hamaguchi,Isao Tanaka +12 more
TL;DR: MAXI as discussed by the authors is an X-ray observatory on the Japanese Experimental Module (JEM) Exposed Facility (EF) on the International Space Station (ISS), which consists of a gas slit camera and a solid-state slit camera.
The X-ray CCD camera of the MAXI experiment on the ISS/JEM
Emi Miyata,Emi Miyata,Hiroshi Tsunemi,Hiroshi Tsunemi,Hideki Ogata,Daisuke Akutsu,K. Yoshita,Y. Hashimoto,Ken'ichi Torii,Masaru Matsuoka,Nobuyuki Kawai,Atsumasa Yoshida,Tatehiro Mihara,Taro Kotani,Hitoshi Negoro,Hidetoshi Kubo,Hironori Matsumoto,Yuji Shirasaki,Brad C. Rubin,Ikuya Sakurai,Makoto Yamauchi +20 more
TL;DR: In this paper, the authors have developed the engineering model of CCD chips and the analogue electronics for the Solid-state Slit Camera (SSC) on the International Space Station (ISS).
10
X-ray detectors and calibration system for the MAXI mission
Ken'ichi Torii,Masaru Matsuoka,M. Sugizaki,H. Tomida,Shiro Ueno,Wei Ming Yuan,Nobuyuki Kawai,Tatehiro Mihara,Atsumasa Yoshida,H. Tsunemi,Emi Miyata,Hitoshi Negoro,Ikuya Sakurai,Yuji Shirasaki,Daisuke Akutsu,Kiyoshi Hayashida,Shunji Kitamoto,K. Mori,Hideki Ogata,K. Yoshita,Makoto Yamauchi +20 more
- 22 Oct 1999
TL;DR: In this article, two kinds of x-ray detectors, the gas slit camera and the solid-state slit camera, are employed for monitoring all sky X-ray image (MAXI) on the International Space Station.
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