loading page

Propagation of EMIC Waves from Shabansky Orbits in the Dayside Magnetosphere
  • +6
  • Eun-Hwa Kim,
  • Syun'ichi Shiraiwa,
  • Jay Robert Johnson,
  • Nicola Bertelli,
  • Sarah Kimberly Vines,
  • Khan-Hyuk Kim,
  • Mark J. Engebretson,
  • Hyomin Kim,
  • Carson O'ffill
Eun-Hwa Kim
Princeton Plasma Physics Laboratory

Corresponding Author:[email protected]

Author Profile
Syun'ichi Shiraiwa
Princeton Plasma Physics Laboratory
Author Profile
Jay Robert Johnson
Andrews University
Author Profile
Nicola Bertelli
Princeton Plasma Physics Laboratory
Author Profile
Sarah Kimberly Vines
Southwest Research Institute
Author Profile
Khan-Hyuk Kim
Kyung Hee University
Author Profile
Mark J. Engebretson
Department of Physics, Augsburg University
Author Profile
Hyomin Kim
New Jersey Institute of Technology
Author Profile
Carson O'ffill
Andrews University
Author Profile

Abstract

We explore the characteristics of EMIC waves generated in a non-dipole, compressed magnetic field at the minimum of the magnetic field. We conducted 2D full-wave simulations using the Petra-M code, focusing on a compressed dipole magnetic field line in the outer dayside magnetosphere for a range of L values ($L=8-10$). By comparing the simulation results with MMS observations, we aim to understand how the observed wave characteristics are affected by a shifting source region across different L-shells. Our findings indicate that the direction of the Poynting vector systematically changes depending on the local source location of the wave, which is consistent with the observations. EMIC waves propagate along the magnetic field line and reach both the northern and southern hemispheres; however, there is a notable difference in the power of EMIC waves between the two hemispheres, indicating seasonal asymmetries in their occurrence.
06 Nov 2024Submitted to ESS Open Archive
08 Nov 2024Published in ESS Open Archive