课题基金 / 基金详情

Surveys and high resolution imaging of jets from evolved stars

Surveys and high resolution imaging of jets from evolved stars
演化恒星喷流的勘测和高分辨率成像
批准号:
20540234
负责人:
IMAI Hiroshi
金额:
$2.75万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

项目摘要

项目成果

IMAI Hiroshi的其他基金

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中文摘要
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英文摘要
We have studied the "water fountain" sources that exhibit bipolar fast jets traced by water vapor maser emission and associated with evolved star. We found a "helix" pattern of jet from one the water fountains and obtained its annual parallax distance. In another source, we found high velocity components of carbon-monoxide emission and an extremely low ^<12>CO/^<13>CO intensity ratio. These results suggest that the parental stars of the water fountains should be intermediate-mass (2-8 solar masses) stars and the jets should play a major role to shape planetary nebulae.
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JVN mapping of SiO v=3 J=1-0 maser emission in W Hydrae
W Hydrae 中 SiO v=3 J=1-0 微波激射发射的 JVN 映射
DOI: --
发表时间: 2010
期刊: Publications of the Astronomical Society of Japan 62(in press)
影响因子: --
作者: [Hiroshi IMAI, Jun-ichi NAKASHIMA, Shuji DEGUCHI, AYA YAMAUCHI, Akiharu NAKAGAWA, Takumi NAGAYAMA]
通讯作者: Takumi NAGAYAMA
JVN mapping of multi-transitions of SiO J=1-0 maser emission
SiO J=1-0 微波激射发射多跃迁的 JVN 映射
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Hiroshi Imai, Jun-ichi Nakashima, Shuji Deguchi, Akiharu Nakagawa, Takumi Nagayama, Aya Yamauchis]
通讯作者: Aya Yamauchis
Japanese VLBI Network Observations of SiO Masers in the M-Type Giant IRC −10414
日本 VLBI 网络对 M 型巨型 IRC -10414 中 SiO 脉塞的观测
DOI: 10.1093/pasj/60.5.1051
发表时间: 2008
期刊: Publications of the Astronomical Society of Japan
影响因子: 2.3
作者: [K. Ueda, H. Imai, S. Deguchi, R. Kamohara, Toshihisa Maeda, N. Matsumoto, T. Omodaká]
通讯作者: T. Omodaká
CO in OH/IR stars close to the Galactic centre
靠近银河系中心的 OH/IR 恒星中的 CO
DOI: --
发表时间: 2009
期刊: Astronomy and Astrophysics 497
影响因子: --
作者: [Winnberg, A., Deguchi, S., Reid, M.J., Nakashima, J., Olofsson, H., Habing, H.J.]
通讯作者: H.J.
31
    Computational Combinatorial Physics by Harmonizing Matroid Theory and Quantum Physics
    • 批准号:
      16K12392
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.16万
    • 财政年份:
      2016
    • 负责人:
      IMAI Hiroshi
    • 依托单位:
    Interaction between two motor domains of cytoplasmic dynein stepping along microtubules revealed by cryo-electron microscopy.
    Exploration of synthesis and outward acceleration of circumstellar matter through simultaneous multiple-band high-resolution radio imaging
    • 批准号:
      16H02167
    • 项目类别:
      Grant-in-Aid for Scientific Research (A)
    • 资助金额:
      $29.87万
    • 财政年份:
      2016
    • 负责人:
      IMAI Hiroshi
    • 依托单位:
    Exploiting Matroid Minor Theory and Its Connection with Quantum Computing Models
    • 批准号:
      26540004
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.33万
    • 财政年份:
      2014
    • 负责人:
      IMAI Hiroshi
    • 依托单位: