12C0 J=2-1 and 12CO J=3-2 observations toward the high-mass protostellar candidate IRAS 20188＋3928

• 作 者: Jin-Long Xu Jun-Jie Wang
• 机 构: NationalAstronomicalObservatories,[e-mail],NAOC-TUJointCenterforAstrophysics
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2013年1期
• 关键词: IRAS 恒星 质量 候选人 微波激射器 COM组件 定位速度 朝向 ISM： individual （IRAS 20188＋3928） -- ISM： kin
• 基金项目: We thank the anonymous referee for his/her constructive suggestions. Jin- Long Xu＇s research is in part supported by the 2011 Ministry of Education doctoral academic prize and also supported by the yo

We have carried out observations of 12 CO J=2-1 and 12 CO J=3-2 toward the high-mass protostellar candidate IRAS 20188+3928.Compared with previous observations,the 12 CO J=2-1 and 12 CO J=3-2 lines both have asymmetric profiles with an absorption dip.The