2009 Fiscal Year Final Research Report
NH_3 Survey of Dense Molecular Gas in the Milky Way
| Project/Area Number |
19540233
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | Hokkaido University |
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Principal Investigator |
SORAI Kazuo Hokkaido University, 大学院・理学研究院, 助教 (80344464)
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| Co-Investigator(Kenkyū-buntansha) |
HABE Asao 北海道大学, 大学院・理学研究院, 准教授 (90180926)
KUNO Nario 国立天文台, 野辺山宇宙電波観測所, 准教授 (30311179)
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| Research Collaborator |
MINAMIDANI Tetsuihiro 北海道大学, 大学院・理学研究院, 助教 (20451437)
NISHITANI Hiroyuki 北海道大学, 大学院・理学院, 大学院生
WATANABE Yoshimasa 北海道大学, 大学院・理学院, 大学院生
HOSAKA Keita 北海道大学, 大学院・理学院, 大学院生
OHISHI Yukie 北海道大学, 大学院・理学院, 大学院生
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| Project Period (FY) |
2007 – 2009
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| Keywords | 電波天文学 / 銀河系天文学 / 分子雲 / 星形成 / 渦巻銀河 / 星間物理学 |
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| Research Abstract |
Ammonia spectral line observations were conducted to survey dense molecular gas in the Galactic star forming regions. Molecular gas temperature derived from the observations was related to star formation activity, which suggested that active star formation heated the gas. Moreover, molecular gas was hot in a cloud scale in one of the extremely active star forming regions. It was also appeared that molecular gas properties and thus star formation were affected through gas kinematics in a galactic scale.
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[Journal Article] Large-scale NH_3, Observations toward the Galactic Star Forming Regions I. W 51 Molecular Clouds Complex2008
Author(s)
Sorai, K., Habe, A., Nishitani, H., Hosaka, K., Watanabe, Y., Miwa, S., Ohishi, Y., Motogi, K., Minamidani, T., Awano, J., Sumida, S., Fukuya, Y., Uchida, R., Kaneko, N., Fujimoto, M Y., Koyama, Y., Kimura, M., Nakai, N.
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Journal Title
Publications of the Astronomical Society of Japan Vol. 60, No. 6
Pages: 1285-1296
Peer Reviewed
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