Balloon observations of interstellar [CII](158 micron) and [OI](63 micron) lines

  • Shibai H
  • Okuda H
  • Nakagawa T
 et al. 
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Interstellar [CII] and [OI] lines have been observed by the Balloon-Borne Infrared Telescope (BIRT) in corporation with a Fabry-Perot spectrometer. Two balloon flights were successfully made from Palestine, Texas in May/June 1988. With a new method of "frequency switching", diffuse [CII] line emission was efficiently detected and mapped in extended regions around HII/molecular cloud complexes and in a wide area of the Galactic plane. It has been shown that the [CII] emission is very strong and ubiquitously distributed in interstellar space in the Galaxy. © 1992.

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  • H. Shibai

  • H. Okuda

  • T. Nakagawa

  • T. Maihara

  • K. Mizutani

  • H. Matsuhara

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