NAOC Open IR
amultitransitionmolecularlinestudyofinfrareddarkcloudg331710059
Yu Naiping; Wang Junjie
2013
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume000Issue:001Pages:28
AbstractUsing archive data from the Millimeter Astronomy Legacy Team Survey at 90 GHz (MALT90), carried out using the Mopra 22-m telescope, we made the first multi-transition molecular line study of infrared dark cloud (IRDC) MSXDC G331.71+00.59. Two molecular cores were found embedded in this IRDC. Each of these cores is associated with a known extended green object (EGO), indicating places of massive star formation. The HCO+ (1-0) and HNC (1-0) transitions show promi- nent blue or red asymmetric structures, suggesting outflow and inflow activities of young stellar objects (YSOs). Other detected molecular lines include H13CO+ (1- 0), C2H (1-0), HC3N (10-9), HNCO(40,4-30,3) and SiO (2-1), which are typical of hot cores and outflows. We regard the two EGOs as evolving from the IRDC to hot cores. Using public GLIMPS data, we investigate the spectral energy distribution of EGO G331.71+0.60. Our results support this EGO being a massive YSO driving the outflow. G331.71+0.58 may be at an earlier evolutionary stage.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/42154
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. amultitransitionmolecularlinestudyofinfrareddarkcloudg331710059[J]. researchinastronomyandastrophysics,2013,000(001):28.
APA Yu Naiping,&Wang Junjie.(2013).amultitransitionmolecularlinestudyofinfrareddarkcloudg331710059.researchinastronomyandastrophysics,000(001),28.
MLA Yu Naiping,et al."amultitransitionmolecularlinestudyofinfrareddarkcloudg331710059".researchinastronomyandastrophysics 000.001(2013):28.
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