Measuring the Mass Flux and Magnetic Evolution of Jets in the Solar Atmosphere

测量太阳大气中喷流的质量通量和磁演化

• 批准号: 1159353
• 负责人: Peter Young
• 金额: $ 41.98万
• 依托单位: George Mason University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-03-01 至 2016-02-29
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1159353&HistoricalAwards=false
• 关键词: Measuring; Mass; Flux; Magnetic; Evolution

The proposing team will carry out a comprehensive study of the structure and evolution of coronal hole jets in order to discover the connections between the solar wind and magnetic structures at the solar surface. The team will use data from instruments on board the Hinode spacecraft to measure the parameters relevant to the magnetic evolution that leads to explosive events (EEs) and coronal hole jets (CHJs) on the Sun, as well as to measure the mass that is ejected from such events. Explosive events and coronal hole jets are particularly well suited to the spectroscopic analysis and magnetic field studies that this team will perform. The team specifically intends to study how the Sun's magnetic field evolution triggers EEs and CHJs, to determine how often EEs promote a measurable response in the solar chromosphere and/or corona, and to calculate the total mass flux of CHJs. This research will increase our understanding of the variable flow of mass and energy through the lower solar atmosphere. The comprehensive statistics for CHJs collected by this team will provide insight into the possible role of these jets in the mass and energy flux going into the corona and solar wind, and thus aid in the development of improved predictive space weather models that depend on coupling the lower solar atmosphere to the corona. The team will provide a database of all analyzed CHJ events to the public, so that the scientific results of this investigation can be further exploited by the general solar physics community. The co-investigator of this effort is a female scientist employed in industry, so this project will advance the participation of underrepresented groups in science while enhancing an ongoing academic-federal lab-industrial partnership.

提议的团队将对冠状孔喷射的结构和演变进行全面研究，以发现太阳风与太阳能表面的磁性结构之间的连接。该团队将使用Hinode航天器上的仪器的数据来测量与磁性演变相关的参数，该参数导致阳光下导致爆炸性事件（EES）和冠状孔喷射（CHJ），并测量从此类事件中弹出的质量。爆炸性事件和冠状孔喷头特别适合该团队将执行的光谱分析和磁场研究。该团队专门打算研究太阳的磁场演化如何触发EES和CHJ，以确定EE在太阳能球和/或电晕中促进可测量的响应的频率，并计算CHJ的总质量通量。这项研究将增加我们对质量和能量通过较低太阳大气的可变流动的理解。该团队收集的CHJ的综合统计数据将洞悉这些喷气机在电晕和太阳风中的质量和能量通量中的可能作用，从而有助于开发改进的预测空间天气模型，这些模型取决于将较低的太阳能大气与电晕耦合。该团队将向公众提供所有分析的CHJ事件的数据库，以便一般太阳能物理社区可以进一步利用这一调查的科学结果。这项工作的共同投资者是一名女性科学家，因此该项目将推动代表性不足的科学参与，同时增强正在进行的学术联邦实验室工业伙伴关系。