言語種別 英語 発行・発表の年月 2022/02 形態種別 学術雑誌 査読 査読あり 標題 Star burst in W49N presumably induced by cloud–cloud collision   Star burst in W49N presumably induced by cloud–cloud collision 執筆形態 共著 掲載誌名 Publications of the Astronomical Society of Japan 掲載区分 国外 出版社・発行元 The Astronomical Society of Japan 巻・号・頁 74(1),pp.128-151 担当範囲 解析，論文作成 著者・共著者 Ryosuke Miyawaki, Masahiko Hayashi, Tetsuo Hasegawa    Ryosuke Miyawaki, Masahiko Hayashi, Tetsuo Hasegawa 概要 We present high-resolution observations of CS (J = 1–0), H13CO+ (J = 1–0), and SiO (v = 0: J = 1–0) lines, together with the 49 GHz and 86 GHz continuum emissions, toward W 49 N carried out with the Nobeyama Millimeter Array. We propose a view that two pre-existing clouds with radial velocities of 4 km s−1 and 12 km s−1 collided with each other almost face-on to produce the observed clumps with intermediate velocities and triggered the burst of massive star formation in W 49 N. DOI https://doi.org/10.1093/pasj/psab113 researchmap用URL https://academic.oup.com/pasj/advance-article/doi/10.1093/pasj/psab113/6449105