SHINE: The CME-Dimming Connection: How a More Complete Understanding of CME Energetics and Magnetic Connectivity can be Achieved through Dimming Observations

SHINE：CME 与调光的联系：如何通过调光观测更全面地了解 CME 能量学和磁连通性

• 批准号: 0962664
• 负责人: Alysha Reinard
• 金额: $ 45.17万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-06-01 至 2014-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0962664&HistoricalAwards=false
• 关键词: SHINE; CME; Dimming; Connection; How

The team will study commonly-observed signatures of solar eruptions known as "coronal dimmings," in order to increase our understanding of the origins and evolution of coronal mass ejections (CMEs). Coronal dimming observations provide timing and location information for CMEs, and can help provide insight concerning the energy budgets and evolving magnetic connectivity in CMEs. Dimming motions offer a dynamic view of CME magnetic footpoint evolution, and can aid in the determination of the length of time that strong magnetic connections between a CME and the solar surface can persist.In this project, the team will determine how dimming detectability relates to CME energetics and magnetic field morphology. They will also characterize the openness of CME magnetic fields by comparing remote dimming measurements with in situ observations of suprathermal bidirectional electrons (BDEs), and test whether a subset of CMEs actually evolve rooted externally to their source region, as is currently predicted. The Principal Investigator (PI) expects that this research will ultimately improve our ability to predict the heliospheric structure and impacts of CMEs.The team includes several female researchers who will be role models for students, and in particular, for young women interested in the physical sciences and engineering. The participants will present their results from this investigation at community workshops and meetings. Since the PI has access to NOAA's Space Weather Prediction Center (SWPC) in Boulder, Colorado, this research will have a direct impact on operational space weather forecasting. She will work with NOAA forecasters at SWPC to implement advancements in CME predictions as they become available during the project. A postdoctoral researcher based at SWPC will collaborate with the proposing team and with scientists from NCAR's High Altitude Observatory (NCAR/HAO).

该团队将研究被称为“日冕变暗”的太阳喷发的常见特征，以加深我们对日冕物质抛射（CME）的起源和演化的理解。日冕变暗观测为日冕物质抛射提供了时间和位置信息，并有助于提供有关日冕物质抛射中能量预算和不断变化的磁连通性的见解。调光运动提供了 CME 磁足点演化的动态视图，并且可以帮助确定 CME 和太阳表面之间的强磁连接可以持续的时间长度。在这个项目中，团队将确定调光可检测性与 CME 能量学和磁场形态之间的关系。他们还将通过将远程调光测量与超热双向电子（BDE）的原位观测进行比较来表征日冕物质抛射磁场的开放性，并测试日冕物质抛射的子集是否确实像目前预测的那样根植于其源区外部而演化。首席研究员 (PI) 预计这项研究最终将提高我们预测日光层结构和日冕物质抛射影响的能力。该团队包括几名女性研究人员，她们将成为学生的榜样，特别是对物理科学和工程学感兴趣的年轻女性。参与者将在社区研讨会和会议上展示他们的调查结果。由于 PI 可以访问位于科罗拉多州博尔德的 NOAA 空间天气预报中心 (SWPC)，因此这项研究将对业务空间天气预报产生直接影响。她将与 SWPC 的 NOAA 预报员合作，在项目期间实现 CME 预测的进展。 SWPC 的一名博士后研究员将与提案团队以及 NCAR 高海拔天文台 (NCAR/HAO) 的科学家合作。