Speaker
Description
The China Seismo-Electromagnetic Satellite (CSES) program, a collaboration between the China National Space Administration (CNSA) and the Italian Space Agency (ASI), offers a new window into solar-terrestrial interactions through continuous monitoring of the near-Earth space environment. Since its launch in 2018, CSES-01 has provided valuable data on space weather phenomena, ionospheric dynamics, and the modulation of low-energy cosmic rays by solar activity. The upcoming launch of CSES-02 in 2025 will initiate multi-site observations, greatly enhancing our ability to disentangle temporal and spatial variations in the magnetosphere and heliosphere.
Operating in a Sun-synchronous orbit at ~500 km altitude, the CSES constellation will deliver simultaneous measurements of electromagnetic fields, plasma parameters, and energetic particle fluxes over a broad energy range (~100 keV to ~100 MeV). The Italian-led High-Energy Particle Detector (HEPD-02) aboard CSES-02 will significantly improve sensitivity to electrons, protons, and light nuclei, enabling precise studies of solar energetic particle (SEP) events, geomagnetic storms, and cosmic-ray transport in the heliosphere.
CSES-01 observations have already contributed to the understanding of solar modulation of low-energy cosmic rays, the response of the ionosphere to solar activity, and the evolution of geomagnetic disturbances. With its dual-satellite configuration, CSES-02 will enhance our capability to track SEP propagation, investigate Forbush decreases, and study variations in trapped and quasi-trapped particle populations. The improved revisit time of the constellation, reduced from five days to 2.5 days, will provide a more frequent sampling of space weather events and their impact on the near-Earth environment.
This contribution will highlight key results from CSES-01 relevant to heliospheric and magnetospheric physics and outline the expected advances enabled by CSES-02. The ability to perform multi-point, high-cadence observations will offer unprecedented insight into the coupling between solar activity, cosmic rays, and the Earth's magnetosphere, contributing to a deeper understanding of the dynamic processes governing near-Earth space.
| Collaboration(s) | CSES-Limadou |
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