课题基金 / 基金详情

VLBI Astrometry

VLBI Astrometry
VLBI天体测量学
批准号:
9303527
负责人:
Irwin Shapiro
金额:
$26.08万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-11-15 至 1997-10-31
关键词:

项目摘要

项目成果

Irwin Shapiro的其他基金

相似基金

相关文献

中文摘要
翻译
9303527夏皮罗VLBI天文测量。超长基线干涉测量技术(VLBI)已被用于环绕地球的射电望远镜,以确定不确定度为1毫弧秒或更小的紧凑型射电源的天空位置和不确定度低至12微弧秒的邻近源的相对位置。夏皮罗博士和他在哈佛大学的同事们将继续使用这项技术:(a)确定银河系和星系外的距离,并估计哈勃常数;(b)测量或限定几个河外射电源的固有运动,以提高我们对这些射电源性质的理解,并改进河外参考系;(c)将这个坐标系与太阳系参考系联系起来。
英文摘要
9303527 Shapiro VLBI Astrometry. The technique of very-long-baseline-interferometry (VLBI) has been used with radio telescopes girdling the globe to determine the sky positions of compact radio sources with uncertainties of one milliarcsecond or less and the relative positions of neighboring sources with uncertainties as low as 12 microarcseconds. Dr. Shapiro and his colleagues at Harvard University will continue using this technique to: (a) determine galactic and extragalactic distances and to estimate the Hubble constant; (b) measure, or place bounds on, the proper motions of several extragalactic radio sources in order to improve our understanding of the nature of these sources and to improve the extragalactic reference frame; and (c) tie this frame to the solar-system reference frame.
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
EARTH STORY: Exploratory Research for Visualizations about Geology for a Large-Format Film on the History of the Earth -- A Small Grant for Exploratory Research (SGER)
  • 批准号:
    0211102
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.0万
  • 财政年份:
    2002
  • 负责人:
    Irwin Shapiro
  • 依托单位:
'Earth Story' -- A Planning Grant for a Large-format Film
  • 批准号:
    0109277
  • 项目类别:
    Standard Grant
  • 资助金额:
    $4.99万
  • 财政年份:
    2001
  • 负责人:
    Irwin Shapiro
  • 依托单位:
Preparation of Preservice Mathematics and Science Teachers: Completion of TEAMS-BC Reform Program
  • 批准号:
    9728965
  • 项目类别:
    Standard Grant
  • 资助金额:
    $5.8万
  • 财政年份:
    1997
  • 负责人:
    Irwin Shapiro
  • 依托单位:
Project ARIES II: Astronomy Resources for Intercurricular Elementary Science
  • 批准号:
    9553845
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $177.64万
  • 财政年份:
    1996
  • 负责人:
    Irwin Shapiro
  • 依托单位:
海外基金