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The 3rd ERG Mission Science Workshop
September 5-8, 2017
ASIAA, Taipei / NCKU, Tainan

Oral Presentation

Theory, Modeling, and Integrated studies in the ARASE (ERG) project

K. Seki, Y. Miyoshi, Y. Ebihara, Y. Katoh, S. Saito, T. Amano, Y. Omura, S. Masafumi, T. Hori, N. Takahashi, K. Keika, S. Nakano, A. Nakamizo, M. Nose, S. Watanabe, and ERG theory/modeling/integrated studies team

The Arase satellite was launched in December 2016 as a part of the Japanese geospace research project, ERG. The science target of the ERG project is to understand underlying mechanisms of drastic variations of the geospace such as magnetic storms with a focus on the relativistic electron acceleration and loss processes in the terrestrial magnetosphere. In order to achieve the goal, the ERG project consists of the three parts, i.e., the Arase (ERG) satellite, ground-based observations, and theory/modeling/integrated studies. The role of theory/modeling/integrated studies part is to promote relevant theoretical and simulation studies as well as integrated data analysis to combine different kinds of observations and modeling. From the planning phase of the ERG satellite, there has been many efforts to develop related simulation codes and new models. In this presentation, we provide an overview of simulation and empirical models related to the ERG project together with their roles in the integrated studies of dynamic geospace variations. In addition, we will report initial results of integrated studies that focus on the global distribution of ultra-low-frequency (ULF) waves in Pc5 ranges during magnetic storms.