NAOC Open IR
molecularoutflowsandgasrotationassociatedwithg2008014n
Yu Naiping; Wang Junjie
2013
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume13Issue:11Pages:1295
AbstractWe present the results of a high-resolution study with the Submillimeter Array (SMA) toward the massive star-forming complex G20.08-0.14N. With the SMA data, we have detected and analyzed the transitions in the (CO)-C-12 (3-2) and (CO)-C-12 (2-1) molecular lines as well as CH3CN. The millimeter observations reveal highly collimated bipolar molecular outflows, traced by high-velocity (CO)-C-12 (2-1) and (CO)-C-12 (3-2) emissions. Using a rotation temperature diagram, we derive that the rotational temperature and the column density of CH3CN are 244 K and 1.2x10(15) cm(-2), respectively. We also suggest that the minor outflow is probably driven by the hypercompact (HC) HII region A that is inside. We find the molecular gas (traced by (CO)-O-17, SO, CH3OH and SO2) surrounding G20.08-0.14N appears to be undergoing bulk rotation. The HCHII region A that is inside is most probably the main source of accretion and heating for G20.08-0.14N.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/42671
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yu Naiping,Wang Junjie. molecularoutflowsandgasrotationassociatedwithg2008014n[J]. researchinastronomyandastrophysics,2013,13(11):1295.
APA Yu Naiping,&Wang Junjie.(2013).molecularoutflowsandgasrotationassociatedwithg2008014n.researchinastronomyandastrophysics,13(11),1295.
MLA Yu Naiping,et al."molecularoutflowsandgasrotationassociatedwithg2008014n".researchinastronomyandastrophysics 13.11(2013):1295.
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