Non-thermal Electron Energization During the Impulsive Phase of an X9.3 Flare Revealed by Insight-HXMT

@article{Zhang2021NonthermalEE,
  title={Non-thermal Electron Energization During the Impulsive Phase of an X9.3 Flare Revealed by Insight-HXMT},
  author={P. Zhang and W. Wang and Y. Su and L. M. Song and C. K. Li and D. K. Zhou and S. N. Zhang and H. Tian and S. M. Liu and H. S. Zhao and S. Zhang},
  journal={The Astrophysical Journal},
  year={2021},
  volume={918}
}
  • P. Zhang, W. Wang, +8 authors S. Zhang
  • Published 2021
  • Physics
  • The Astrophysical Journal
The X9.3 flare SOL20170906T11:55 was observed by the CsI detector aboard the first Chinese X-ray observatory Hard X-ray Modulation telescope (Insight-HXMT). Using the wavelets method, we report 22 s quasiperiodic pulsations during the impulsive phase. The spectra from 100 keV to 800 keV show the evolution with the gamma-ray flux of a power-law photon index from ∼1.8 before the peak, ∼2.0 around the flare peak, to ∼1.8 again. The gyrosynchrotron microwave spectral analysis reveals a 36.″6 ± 0.″6… Expand

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