Using Scaling Laws to Constrain Magneto-Thermal Coupling in Active Regions of the Sun with Multi-wavelength Microwave Imaging

新泽西理工学院的一个研究小组推进了我们对日冕加热方式的理解。人们提出了许多太阳日冕能量释放的机制。该项目将研究太阳活动区的热学和磁学性质及其与日冕的联系。该项目将利用扩展欧文斯谷太阳能电池阵(EOVSA)的观测数据，并结合3D数值模拟进行。这个项目符合美国国家科学基金会的使命，即通过解决太阳物理中的一个基本问题来促进科学发展。它还有助于了解太阳环境，这有助于更好地了解空间天气这一国家优先事项。该项目包括高中生和研究生的参与，并利用GX模拟器，该模拟器已被证明成功地吸引学生参与研究。具体地说，该项目将解决从活动区(AR)到日冕的热和磁结构的耦合问题。这将通过对日冕磁场和等离子体特性进行建模来实现，然后将其与观测结果进行比较。日冕磁场的三维结构将被量化。将通过将日冕磁场与热等离子体的地图结合起来，并用EOVSA和天基来源的数据来验证这些地图，来检查Ar的演变。然后这些3D地图将被用来约束标度律，这将被研究对日冕加热机制的约束。最后，这将被用来研究磁场能量是如何积累和演化的。采用的代码包括用于生成ARS的3D模型的自动模型生产管道(AMPP)、独立的非线性无力场(NLFFF)代码和上述GX模拟器。该奖项反映了NSF的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。

A research team from the New Jersey Institute of Technology advance our understanding of how the solar corona is heated. Many mechanisms for energy release in the solar corona have been proposed. This project would examine both thermal and magnetic properties of solar active regions and their connection to the solar corona. The project will be carried out using observations from the Extended Owens Valley Solar Array (EOVSA) combined with 3D numerical simulations. This project meets NSF’s mission to advance science by tackling a fundamental problem in solar physics. It also contributes to understanding of the solar environment, which contributes to the national priority to better understand space weather. The project includes participation by high school and graduate students and makes use of the GX Simulator, which has already proved successful in engaging students in research. Specifically, this project will address the coupling of thermal and magnetic structures from active regions (ARs) to the corona. This will be achieved by modeling coronal magnetic fields and plasma properties, which will then be compared with observations. The 3D structure of the coronal magnetic field will be quantified. AR evolution will be examined by combining maps of the coronal magnetic field with thermal plasma and validating these maps with data from EOVSA and space-based sources. These 3D maps will then be used to constrain scaling laws, which will be investigated for constraints on the coronal heating mechanisms. Finally, this will be used to examine how magnetic field energy accumulated and evolves. The codes employed include the Automated Model Production Pipeline (AMPP) for generating 3D models of ARs, a stand-alone Non-Linear Force Free Field (NLFFF) code, and the above mentioned GX Simulator.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.