OPTICALLY THICK H I DOMINANT IN THE LOCAL INTERSTELLAR MEDIUM: AN ALTERNATIVE INTERPRETATION TO “DARK GAS”*

@inproceedings{Fukui2014OPTICALLYTH,
  title={OPTICALLY THICK H I DOMINANT IN THE LOCAL INTERSTELLAR MEDIUM: AN ALTERNATIVE INTERPRETATION TO “DARK GAS”*},
  author={Yasuo Fukui and Kazufumi Torii and Toshikazu Onishi and Hiroaki Yamamoto and R. Okamoto and Takehito Hayakawa and Kengo Tachihara and Hidetoshi Sano},
  year={2014}
}
  • Yasuo Fukui, Kazufumi Torii, +5 authors Hidetoshi Sano
  • Published 2014
  • Physics
  • Dark gas in the interstellar medium (ISM) is believed to not be detectable either in CO or H I radio emission, but it is detectable by other means including γ rays, dust emission, and extinction traced outside the Galactic plane at |b| > 5°. In these analyses, the 21 cm H I emission is usually assumed to be completely optically thin. We have reanalyzed the H I emission from the whole sky at |b| > 15° by considering temperature stratification in the ISM inferred from the Planck/IRAS analysis of… CONTINUE READING

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