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MAX '91 Coordination and Studies of Solar Activity on Timescales of Milliseconds to Years

MAX '91 Coordination and Studies of Solar Activity on Timescales of Milliseconds to Years
MAX 91 毫秒至年时间尺度太阳活动的协调和研究
批准号:
8814367
负责人:
Alan Kiplinger
金额:
$15.26万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-09-01 至 1992-02-29

项目摘要

项目成果

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中文摘要
翻译
MAX91是一个研究20世纪90年代太阳活动的观测项目,重点是协调现有设施以及新的气球、火箭和地面仪器的观测。因此,该计划要求尽早任命一名太阳物理学家作为“MAX91协调员”。这笔拨款的一个组成部分是让一名太阳物理学家担任MAX91协调员的角色。这笔拨款将通过建立可靠的单向、现代双向、基于计算机的与太阳物理界的通信线路来有效地运行MAX91。协调员还将与太阳预报员(特别是与MAX91相关的)密切合作,以优化活动的科学产出,以响应实时太阳条件。还计划进行三项研究,其中包括太阳活动在11个数量级以上的时间尺度上的不同方面:毫秒-秒用新开发的高速数码相机系统进行为期三年的观测计划。该系统可以在三个光学波长同时观测,具有很高的时空分辨率:通过与x射线数据的比较,有望解决太阳耀斑中加速电子的重要飞行时间效应;这解决了耀斑能量释放的基本特性。“脉冲”和“渐进”硬x射线爆发的时间和光谱特征研究:这项研究将分析超过4500个硬x射线耀斑,以量化两种主要类型的耀斑行为之间的特征差异:脉冲和渐进。对在伽马射线耀斑产生率中首次发现的太阳活动明显的152-158天周期的研究:根据对过去10年至120年的数据库的新分析,它的目的是建立或质疑这种“周期性”是太阳活动的基本物理特性。
英文摘要
MAX91 is an observational program to study solar activity in the 1990's with emphasis on coordination of observations from existing facilities and also from new balloon, rocket and ground- based instrumentation. Accordingly, the program requires the early appointment of a solar physicist to act as the "MAX91 Coordinator." One component of this grant is for a solar physicist to assume the role of MAX91 Coordinator. The grant will effect efficient MAX91 operation by establishing reliable one-way, and modern two-way, computer-based lines of communications to the solar physics community. The Coordinator will also work closely with a solar forecaster (specifically associated with MAX91) to optimize scientific output of campaigns in response to real-time solar conditions. Three studies which encompass varying aspects of solar activity on timescales that vary over eleven orders of magnitude are also planned: Milliseconds - Seconds Three year observational program with a newly developed, high speed digital camera system. This system can observe simultaneously at three optical wavelengths with high temporal and spatial resolution: From comparisons with X-ray data, it is expected to resolve important time-of-flight effects of accelerated electrons in solar flares; this addresses fundamental properties of energy release in flares. Seconds - Hours Investigation of temporal and spectral signatures of "impulsive" and "gradual" hard X-ray bursts: This study will analyze over 4,500 hard X-ray flares to quantify the characteristic differences between the two principal types of flare behavior: impulsive and gradual. Hours - Years Investigation of an apparent 152-158 day periodicity in solar activity first discovered in gamma-ray flare production rates: From new analyses of databases which extend from 10 to 120 years in the past, it is intended to either establish or to discredit this "periodicity" as a fundamental physical property of solar activity.
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Space Weather: Interplanetary Proton-Associated Flares Emphasizing Proton Predictions from Hard X-Ray and Microwave Observations
  • 批准号:
    9713427
  • 项目类别:
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  • 资助金额:
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  • 财政年份:
    1997
  • 负责人:
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Solar Flare and Interplanetary Particle Acceleration and Coordination of Ground-Based Solar Observations in Support of U.S./International Space Missions
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MAX '91 Coordination and High Time Resolution Studies of Solar Activity
  • 批准号:
    9121620
  • 项目类别:
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    1992
  • 负责人:
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A Digital Archival System for Solar Images Obtained by the USAF Solar Observing Optical Network (SOON)
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  • 财政年份:
    1992
  • 负责人:
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