言語種別 英語 発行・発表の年月 2009/02 形態種別 学術雑誌 標題 A Large-Scale 13CO Mapping of the W 49 A Molecular Cloud Complex   A Large-Scale 13CO Mapping of the W 49 A Molecular Cloud Complex 執筆形態 共著 掲載誌名 Publications of the Astronomical Society of Japan 出版社・発行元 Astronomical Society of Japan 巻・号・頁 61(1),pp.39-49 著者・共著者 Miyawaki Ryosuke, Hayashi Masahiko, Hasegawa Testuo 概要 We present 13CO (J = 1-0) and C18O (J = 1-0) maps of the W 49 A molecular cloud complex observed at a resolution of 17'' (HPBW). The result, together with the line-profile characteristics of various optically thin lines, suggests that at least two massive clouds with different radial velocities exist toward MHH-1. The massive compact feature may have been produced by the interaction of the two different velocity clouds.