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Theoretical Studies of Magnetic Degenerate Stars

Theoretical Studies of Magnetic Degenerate Stars
磁简并星的理论研究
批准号:
8700742
负责人:
Ganesar Chanmugam
金额:
$6.43万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1987
资助国家:
美国
项目状态:
已结题
起止时间:
1987-07-01 至 1989-11-30

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中文摘要
翻译
研究将集中在磁突变变量上,这是一种双星系统,其中一颗磁性白矮星从一颗伴星上吸积物质。主题包括热磁化等离子体的回旋辐射,它们的无线电发射,以及吸积到磁性恒星极帽的过程。在许多剧烈的宇宙现象中,有些现象的发生是因为两颗恒星相互绕转,气体开始从一颗恒星流向另一颗恒星,直到接收恒星发生爆炸。该奖项支持高磁性白矮星(一颗地球大小的恒星)的质量传递理论和模型。对这类物体的观测已经得到了改进,人们可以期望对极热和高度磁化的等离子体有新的物理认识,因为这些天文等离子体发生的规模远远大于地球的实验室,甚至比它的磁性环境大得多。
英文摘要
The research will concentrate on magnetic cataclysmic variables, which are binary star systems in which a magnetic white dwarf accretes matter from a companion star. Topics include the cyclotron emission from hot magnetized plasmas, radio emission from them, and the process of accretion onto magnetic stellar polar caps. Among the many violent cosmic phenomena, some occur because two stars orbit about each other and gases begin to flow from one star to the other until an explosion occurs on the receiving star. This award supports theory and modelling of mass transfer onto a highly magnetic white dwarf, an Earth-sized star. Observations of such objects have improved to the point where one may expect new physical understanding of exceedingly hot and highly magnetized plasmas, because these astronomical plasmas occur on a scale vastly larger than the Earth's laboratories or even its magnetic surroundings.
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Theoretical Studies of Magnetic Degenerate Stars
  • 批准号:
    8822954
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $11.62万
  • 财政年份:
    1989
  • 负责人:
    Ganesar Chanmugam
  • 依托单位:
The Eighth North American Workshop on Cataclysmic Variable Stars
  • 批准号:
    8314476
  • 项目类别:
    Standard Grant
  • 资助金额:
    $0.6万
  • 财政年份:
    1983
  • 负责人:
    Ganesar Chanmugam
  • 依托单位:
Theoretical Studies of Magnetic Degenerate Stars
  • 批准号:
    8219598
  • 项目类别:
    Standard Grant
  • 资助金额:
    $9.42万
  • 财政年份:
    1983
  • 负责人:
    Ganesar Chanmugam
  • 依托单位:
Theoretical Studies of Magnetic Degenerate Stars
  • 批准号:
    8025250
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.15万
  • 财政年份:
    1981
  • 负责人:
    Ganesar Chanmugam
  • 依托单位:
海外基金