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Proceedings Paper

Flight performance of the Far-Infrared Line Mapper (FILM)
Author(s): Hiroshi Shibai; Takao Nakagawa; Shin'ichiro Makiuti; Hideo Matsuhara; Norihisa Hiromoto; Kenichi Okumura; Yasuo Doi; Takanao Toya; Haruyuki Okuda
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Paper Abstract

The far-infrared line mapper (FILM) is a far-infrared spectrometer and in one of four focal plane instruments of the infrared telescope in space (IRTS), FILM was designed for wide area intensity mapping of far-infrared emission from interstellar gas and dust in the galaxy. The targets are the [CII] 158 micrometer line of the ionized carbon, the [OI] 63 micrometer line of the oxygen atom, and the continuum emission at 155 and 160 micrometer from the interstellar dust grain. A cylindrically concave varied line-space grating and a linear array of stressed Ge:Ga were successfully developed and allowed us to make a compact spectrometer compatible to severe limitations of the small cryogenic telescope. The IRTS, onboard the space flyer unit (SFU), was launched by a HII rocket on March 18, 1995 and was recovered by a STS on January 13, 1996. The FILM worked very well during four weeks allocated for the IRTS observation and produced a lot of valuable data. The sensitivity and the spatial resolution for the [CII] line are an order of magnitude better than the previous work.

Paper Details

Date Published: 21 October 1996
PDF: 9 pages
Proc. SPIE 2817, Infrared Spaceborne Remote Sensing IV, (21 October 1996); doi: 10.1117/12.255188
Show Author Affiliations
Hiroshi Shibai, Institute of Space and Astronautical Science (Japan)
Takao Nakagawa, Institute of Space and Astronautical Science (Japan)
Shin'ichiro Makiuti, Univ. of Tokyo (Japan)
Hideo Matsuhara, Nagoya Univ. (Japan)
Norihisa Hiromoto, Communications Research Lab. (Japan)
Kenichi Okumura, Communications Research Lab. (Japan)
Yasuo Doi, Communications Research Lab. (Japan)
Takanao Toya, Univ. of Tokyo (Japan)
Haruyuki Okuda, Institute of Space and Astronautical Science (Japan)

Published in SPIE Proceedings Vol. 2817:
Infrared Spaceborne Remote Sensing IV
Marija S. Scholl; Bjorn F. Andresen, Editor(s)

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