Cloud structures in M 17 SWex : Possible cloud-cloud collision

Shinichi W. Kinoshita,Fumitaka Nakamura,Quang Nguyen-Luong,Benjamin Wu,Tomomi Shimoikura,Koji Sugitani,Kazuhito Dobashi,Hideaki Takemura,Patricio Sanhueza,Kee-Tae Kim,Hyunwoo Kang,Neal J. Evans,Glenn J. White,Cassandra Fallscheer

Publications of the Astronomical Society of Japan（2021）

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摘要

Using wide-field 13CO (J = 1−0) data taken with the Nobeyama 45 m telescope, we investigate cloud structures of the infrared dark cloud complex in M 17 with Spectral Clustering for Interstellar Molecular Emission Segmentation. In total, we identified 118 clouds that include 11 large clouds with radii larger than 1 pc. The clouds are mainly distributed in the two representative velocity ranges of 1...

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关键词

ISM: individual (M 17),ISM: kinematics and dynamics,ISM: structure

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