The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 42 Issue 2
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- Pages.79.3-80
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- 2017
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- 1226-2692(pISSN)
Turbulent Properties in the Orion A and ρ Ophiuchus molecular clouds: Observations and preliminary results
- Yun, Hyeong-Sik (Kyung Hee University) ;
- Lee, Jeong-Eun (Kyung Hee University) ;
- Choi, Yunhee (Kyung Hee University) ;
- Lee, Seokho (Kyung Hee University) ;
- Baek, Giseon (Kyung Hee University) ;
- Lee, Yong-Hee (Kyung Hee University) ;
- Choi, Minho (Korea Astronomy and Space Science Institute) ;
- Kang, Hyunwoo (Korea Astronomy and Space Science Institute) ;
- Tatematsu, Ken'ichi (National Astronomical Observatory of Japan) ;
- Offner, Stella S.R. (University of Massachusetts) ;
- Gaches, Brandt A.L. (University of Massachusetts) ;
- Heyer, Mark H. (University of Massachusetts) ;
- Evans, Neal J. II (University of Texas) ;
- Yang, Yao-Lun (University of Texas)
- Published : 2017.10.10
Abstract
Molecular clouds are the sites of stellar birth. Turbulence is a natural phenomenon in molecular clouds, which largely determines the density and velocity fields. Additionally turbulent energy dissipation can affect the gas kinetic temperature via shocks. Turbulence thus controls the mode and tempo of star formation. However, despite its important role in star formation, the properties of turbulence remain poorly understood. As part of the Taeduk Radio Astronomy Observatory (TRAO) Key Science Program (KSP), "Mapping turbulent properties of star-forming molecular clouds down to the sonic scale (PI: Jeong-Eun Lee)", we have been mapping two star-forming clouds, the Orion A and the
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