Spectropolarimetry at the Hale Telescope
Spectropolarimetry at the Hale Telescope
批准号:
9121889
负责人:
Marshall Cohen
金额:
$22.55万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-04-15 至 1995-09-30
中文摘要
该奖项支持在探索性研究小额赠款下开始的工作的继续。这项工作的核心是利用一种重要的新天文仪器,帕洛玛5米望远镜上的分光偏振计,来研究活动星系的核心。利用偏振法可以推断出这些星系中心物体的性质,即使它们被母星系的尘埃所遮挡。这台仪器的设计、制造和操作,都是由在某些天体的超光速运动研究方面处于领先地位的团队负责的。
英文摘要
This award supports continuation of work begun under a Small Grant for Exploratory Research. The heart of the work is the utilization of an important new astronomical instrument, a spectropolarimeter at the Palomar five meter telescope, to study the nuclei of active galaxies. The use of polarimetry enables one to infer properties of the central object of such systems, even when they are obscured by intervening dust in the parent galaxy. This instrument was designed, built, and will be operated by the group that has led the way in the study of apparent superluminal motion in some of these objects.
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Spectropolarimetry of AGN
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批准号:9023265
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项目类别:Standard Grant
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资助金额:$4.4万
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财政年份:1991
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负责人:Marshall Cohen
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依托单位:
Mathematical Sciences: The Geometry and Topology of Free Group Automorphisms
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批准号:8803561
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1988
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负责人:Marshall Cohen
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依托单位:
Extragalactic Research at the Owens Valley Radio Observatory
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批准号:8509822
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项目类别:Continuing Grant
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资助金额:$235.0万
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财政年份:1985
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负责人:Marshall Cohen
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依托单位:
Cooperative Study of Superluminal Radio Sources
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批准号:8214105
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项目类别:Standard Grant
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资助金额:$0.57万
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财政年份:1983
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负责人:Marshall Cohen
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依托单位:
Extragalactic Research at the Owens Valley Radio Observatory
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批准号:8210259
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项目类别:Continuing Grant
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资助金额:$218.44万
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财政年份:1982
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负责人:Marshall Cohen
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依托单位:
Extragalactic Research at the Owens Valley Radio Observatory
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批准号:7913249
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项目类别:Continuing Grant
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资助金额:$169.0万
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财政年份:1979
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负责人:Marshall Cohen
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依托单位:
Development and Operation of the Vlbi Processor
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批准号:7722963
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项目类别:Continuing Grant
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资助金额:$22.43万
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财政年份:1978
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负责人:Marshall Cohen
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依托单位:
Stable Frequency Source Utilizing a Superconducting-Cavity- Stabilized Oscillator
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批准号:7623634
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项目类别:Standard Grant
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资助金额:$6.88万
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财政年份:1977
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负责人:Marshall Cohen
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依托单位:
High Resolution Studies of Discrete Radio Sources
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批准号:7601619
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项目类别:Continuing Grant
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资助金额:$22.53万
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财政年份:1976
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负责人:Marshall Cohen
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依托单位:
海外基金