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Proceedings Paper

Balloon-Borne Infrared Telescope for far-infrared spectroscopy
Author(s): Hiroshi Shibai; Haruyuki Okuda; Takao Nakagawa; Nobuyuki Yajima; Toshinori Maihara; Kohei Mizutani; Hideo Matsuhara; Yukiyasu Kobayashi; Norihisa Hiromoto; Hideki Takami
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Paper Abstract

The Japanese-made Balloon-borne Infrared Telescope (BIRT) designed for FIR astronomy is described. The BIRT system includes a 50-cm-diam telescope; an attitude-control system consisting of an attitude stabilization and a pointing and tracking subsystems; the ground support system consisting of four personal-computer systems; and electronics consisting of three small computer systems, servo circuits, power amplifiers, and other small circuits. Between 1985 and 1988, the BIRT has flown eight times, demonstrating that it is able to provide a suitable telescope observations on a stable platform with a long integration time. Structural diagrams of the BIRT overall system, the optical system, and the wobbling mechanism are presented along with a block diagram of the on-board electronics.

Paper Details

Date Published: 1 July 1990
PDF: 11 pages
Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); doi: 10.1117/12.19080
Show Author Affiliations
Hiroshi Shibai, Institute of Space and Astronautical Science (Japan)
Haruyuki Okuda, Institute of Space and Astronautical Science (Japan)
Takao Nakagawa, Institute of Space and Astronautical Science (Japan)
Nobuyuki Yajima, Institute of Space and Astronautical Science (Japan)
Toshinori Maihara, Kyoto Univ. (Japan)
Kohei Mizutani, Kyoto Univ. (Japan)
Hideo Matsuhara, Nagoya Univ. (Japan)
Yukiyasu Kobayashi, Univ. of Tokyo (Japan)
Norihisa Hiromoto, Communications Research Lab. (Japan)
Hideki Takami, Communications Research Lab. (United States)


Published in SPIE Proceedings Vol. 1235:
Instrumentation in Astronomy VII
David L. Crawford, Editor(s)

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