First evidence of non-Gaussian solar flare EUV spectral line profiles and accelerated non-thermal ion motion

@article{Jeffrey2016FirstEO,
  title={First evidence of non-Gaussian solar flare EUV spectral line profiles and accelerated non-thermal ion motion},
  author={N L S Jeffrey and Lyndsay Fletcher and Nicolas Labrosse},
  journal={Astronomy and Astrophysics},
  year={2016},
  volume={590}
}
  • N L S Jeffrey, Lyndsay Fletcher, Nicolas Labrosse
  • Published 2016
  • Physics
  • Astronomy and Astrophysics
  • Context: The properties of solar flare plasma can be determined from the observation of optically thin lines. The emitting ion distribution determines the shape of the spectral line profile, with an isothermal Maxwellian ion distribution producing a Gaussian profile. Non-Gaussian line profiles may indicate more complex ion distributions. Aims. We investigate the possibility of determining flare-accelerated non-thermal ion and/or plasma velocity distributions. Methods: We study EUV spectral… CONTINUE READING

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