NSWP: Tomographic Reconstruction of the 3-D Coronal Magnetic Field from Space- and Ground-Based Intensity and Polarimetry Data

首席研究员（PI）将把目前的天基和地面观测能力与新的数据分析技术相结合，以开发用于重建太阳3D日冕磁场结构的标量和矢量断层扫描工具。PI将通过近红外光谱偏振观测、NASA STEREO（太阳地球关系天文台）任务的立体日冕成像和日冕矢量断层扫描技术，利用日冕磁场的地面测量来开发这些新的空间气象工具。然后，他将使用得到的三维日冕重建来测试理论日冕磁场模型，以及研究活动区域在耀斑和日冕物质抛射（cme）发生前后的日冕磁场结构变化。PI的目标是从观测中直接推断出日冕磁场的三维结构，这对太阳物理学来说是至关重要的。这个项目将增加我们对日冕加热的物理机制的理解，太阳EUV辐射的产生，以及快速和缓慢太阳风的起源。拟议中的研究将使我们更好地了解驱动空间天气的高能太阳事件，从而提高我们对此类事件的预测能力。

The Principal Investigator (PI) will integrate current space-based and ground-based observing capabilities with new data analysis techniques, in order to develop scalar and vector tomography tools for reconstructing the Sun's 3D coronal magnetic field configuration. The PI will utilize ground-based measurements of coronal magnetic fields through near-IR spectropolarimetric observations, stereoscopic coronal imaging from NASA's STEREO (Solar TErrestrial RElations Observatory) mission, and coronal vector tomography techniques to develop these new space weather tools. He will then use the resulting 3D coronal reconstructions to test theoretical coronal magnetic field models, as well as to study coronal magnetic field configuration variations of active regions, before and after the occurrence of flares and coronal mass ejections (CMEs). The PI's goal to directly infer the 3D structure of coronal magnetic fields from observations is of fundamental importance to solar physics. This project will increase our understanding of the physical mechanisms responsible for the heating of the solar corona, the generation of solar EUV radiation, and the origin of fast and slow solar winds. The proposed research will lead to a better understanding of the energetic solar events that drive space weather, and thus enhance our predictive capabilities for such events.