The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 44 Issue 1
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- Pages.66.4-66.4
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- 2019
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- 1226-2692(pISSN)
Physical Properties of Molecular Clouds in NGC 6822 Hubble V
- Lee, Hye-In (School of Space Research and Institute of Natural Sciences, Kyung Hee University) ;
- Pak, Soojong (School of Space Research and Institute of Natural Sciences, Kyung Hee University) ;
- Oh, Heeyoung (Korea Astronomy and Space Science Institute) ;
- Le, Huynh Anh N. (Department of Astronomy, University of Science and Technology of China) ;
- Lee, Sungho (Korea Astronomy and Space Science Institute) ;
- Lim, Beomdu (School of Space Research and Institute of Natural Sciences, Kyung Hee University) ;
- Tatematsu, Ken'ichi (National Astronomical Observatory of Japan) ;
- Park, Sangwook (Physics Department, University of Texas at Arlington) ;
- Mace, Gregory (Department of Astronomy, the University of Texas at Austin) ;
- Jaffe, Daniel T. (Department of Astronomy, the University of Texas at Austin)
- Published : 2019.04.10
Abstract
NGC 6822 is a dwarf irregular galaxy whose metal abundance is lower than of the Large Magellanic Cloud. Hubble V is the brightest HII complex where molecular clouds surround the core cluster of OB stars. Because of its proximity (d = 500 kpc), we can resolve the star-forming regions on parsec scales (1 arcsec = 2.4 pc). Using the high-resolution (R = 45,000) near-infrared spectrograph, IGRINS, we observed molecular hydrogen emission lines from photo-dissociation regions (PDRs) and
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