EGU2020-3994
https://doi.org/10.5194/egusphere-egu2020-3994
EGU General Assembly 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Wave activities during different phase of solar cycle : Cassini observations on Saturn

Dongxiao Pan and Zhonghua Yao
Dongxiao Pan and Zhonghua Yao
  • Institute of Geology and Geophysics, Chinese Academy of Sciences, China (pdxsun122@gmail.com)

Low frequency quasiperiodic (QP) magnetic field fluctuations are commonly observed in terrestrial and planetary magnetosphere.  At Earth,  these magnetohydrodynamic (MHD) waves are often observed in ultralow frequency (ULF) band (~1 mHz to 1 Hz), which could be generated by solar wind buffeting, Kelvin-Helmholtz instability and/or wave-particle interactions inside the Earth's magnetosphere. At giant planets (Saturn or Jupiter), their enormous magnetospheres often produce QP fluctuations with frequencies lower than the terrestrial ULF waves. In this study, we use Cassini spacecraft observations to analysis waves at period of 10 min to 60 min in Saturnian magnetosphere. We compare wave activities during different solar activities.

How to cite: Pan, D. and Yao, Z.: Wave activities during different phase of solar cycle : Cassini observations on Saturn, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-3994, https://doi.org/10.5194/egusphere-egu2020-3994, 2020

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