Development of Optical Mesosphere Thermosphere Imagers (OMTI)

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  • Shiokawa K.
    Solar-Terrestrial Environment Laboratory, Nagoya University
  • Katoh Y.
    Solar-Terrestrial Environment Laboratory, Nagoya University
  • Satoh M.
    Solar-Terrestrial Environment Laboratory, Nagoya University
  • Ejiri M. K.
    Solar-Terrestrial Environment Laboratory, Nagoya University
  • Ogawa T.
    Solar-Terrestrial Environment Laboratory, Nagoya University
  • Nakamura T.
    Radio Atmospheric Science Center, Kyoto University
  • Tsuda T.
    Radio Atmospheric Science Center, Kyoto University
  • Wiens R. H.
    Center for Research in Earth and Space Science, York University

書誌事項

公開日
1999
DOI
  • 10.1186/bf03353247
公開者
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会

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説明

The Optical Mesosphere Thermosphere Imagers (OMTI) have been developed to investigate the dynamics of the upper atmosphere through nocturnal airglowemissions. TheOMTIconsist of an imaging Fabry-Perot interferometer, three all-sky cooled-CCD cameras, three tilting photometers, and a Spectral Airglow Temperature Imager (SATI) with two container houses to install them in. These instruments measure wind, temperature and 2-dimensional airglow patterns in the upper atmosphere at multi-wavelengths of OI (557.7 nm and 630.0 nm), OH (6-2) bands, O2 (0, 1) bands, and Na (589.3 nm), simultaneously. Examples of the data are shown for the cameras, the photometers, and the SATI based on the airglow observation at a mid-latitude station in Japan. Good correlation of the photometer and SATI observations is obtained. A comparison is shown for small- and large-scale wave structures in airglow images at four wavelengths around the mesopause region using four cooled-CCD cameras. We found an event during which large-scale bands, small-scale row-like structures, and large-scale front passage occur simultaneously.

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