Cloud-Cloud Collision in the Galactic Center Arc

Masato Tsuboi,Yoshimi Kitamura,Kenta Uehara,Ryosuke Miyawaki,Takahiro Tsutsumi,Atsushi Miyazaki,Makoto Miyoshi

Publications of the Astronomical Society of Japan（2021）

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摘要

We performed a search of cloud–cloud collision (CCC) sites in the Sagittarius A molecular cloud (SgrAMC) based on the survey observations using the Nobeyama 45 m telescope in the C32S J = 1–0 and SiO v = 0 J = 2–1 emission lines. We found candidates abundant in shocked molecular gas in the Galactic Center Arc (GCA). One of them, M0.014−0.054, is located in the mapping area of our previous ALMA mos...

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关键词

Galaxy: center,ISM: magnetic fields,ISM: molecules,stars: formation,stars: massive

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