Ion-to-Electron Temperature Ratio as a Diagnostic of Plasma Supply to the Plasma Sheet: Long-Term Geotail Observations

Kanako Seki

Presentation information

[E] Oral

P (Space and Planetary Sciences ) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM18] Dynamics of Magnetosphere and Ionosphere

Thu. May 28, 2026 1:45 PM - 3:15 PM 304 (International Conference Hall, Makuhari Messe)

Chairperson:Hori Tomoaki(Institute for Space-Earth Environmental Research, Nagoya University), Yamakawa Tomotsugu(Institute for Space-Earth Environmental Research, Nagoya University), Saito Koseki(Department of Geophysics, Graduate School of Science, Tohoku University)

2:30 PM - 2:45 PM

[PEM18-14] Ion-to-Electron Temperature Ratio as a Diagnostic of Plasma Supply to the Plasma Sheet: Long-Term Geotail Observations

*Kanako Seki^1,2, Ryosuke Saeki³, Kunihiro Keika², Yoshifumi Saito⁴, Iku Shinohara⁴, Yukinaga Miyashita⁵ (1. Research Center for Advanced Science and Technology, University of Tokyo, 2. Graduate School of Science, University of Tokyo, 3. Previously at Graduate School of Science, Nagoya University, 4. Institute of Space and Astronautical Science, JAXA, 5. Korea Astronomy and Space Science Institute)

Keywords:Earth’s magnetotail, plasma sheet, Kelvin-Helmholtz instability, magnetic reconnection