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The interactions between disturbed solar wind from CME and CIR and magnetosphere generate interplanetary shock (IP shock) through steepening of fast magnetosonic waves. The IP shocks accelerate charged particle to high energies that can be hazardous to space-based technology and activities. This study aimed to understand the effect of gradient of IP shock to electron flux dynamics in energy of ≥0.8 MeV and ≥2 MeV. We determine the onset time of IP shock as the time when an abrupt change of Vp gradient and calculate the time lag between IP shocks arrival and electron flux anomalies. Our results show that CMEs and CIRs as the source of solar wind parameter have different affect to electron flux dynamics. Our results indicate that CMEs have a higher potential to generate IP shocks. However, CIRs have a greater potential to increase electron energy.

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The Interplanetary Shocks Impact on the Electron Flux Dynamics

  • 会议论文

  • 发表日期：

    2025年

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  • Siska Filawati,
  • Fitri Nuraeni,
  • Silmie V. Fani,
  • Dian Y. Risdianto,
  • Rian P. Salasa,
  • Mira Juangsih,
  • Rizal Suryana,
  • Elvina A. Ratnasari

摘要

The interactions between disturbed solar wind from CME and CIR and magnetosphere generate interplanetary shock (IP shock) through steepening of fast magnetosonic waves. The IP shocks accelerate charged particle to high energies that can be hazardous to space-based technology and activities. This study aimed to understand the effect of gradient of IP shock to electron flux dynamics in energy of ≥0.8 MeV and ≥2 MeV. We determine the onset time of IP shock as the time when an abrupt change of Vp gradient and calculate the time lag between IP shocks arrival and electron flux anomalies. Our results show that CMEs and CIRs as the source of solar wind parameter have different affect to electron flux dynamics. Our results indicate that CMEs have a higher potential to generate IP shocks. However, CIRs have a greater potential to increase electron energy.