An optimization algorithm determines the optimal source surface radius for PFSS models by minimizing MSE against PSP radial field data from encounters 1-19 after backmapping, yielding increasing R_ss from solar minimum into cycle 25 ascending phase with improved open flux agreement.
Modeling solar energetic particle transport in 3D background solar wind: Influences of the compression regions
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Optimization Algorithm for Determining the Source Surface Radius Based on Parker Solar Probe in situ Measurements from Encounters 1 to 19
An optimization algorithm determines the optimal source surface radius for PFSS models by minimizing MSE against PSP radial field data from encounters 1-19 after backmapping, yielding increasing R_ss from solar minimum into cycle 25 ascending phase with improved open flux agreement.