Determining energy balance in the flaring chromosphere from oxygen V line ratios

@article{Graham2015DeterminingEB,
  title={Determining energy balance in the flaring chromosphere from oxygen V line ratios},
  author={David R. Graham and Lyndsay Fletcher and Nicolas Labrosse},
  journal={Astronomy and Astrophysics},
  year={2015},
  volume={584}
}
  • David R. Graham, Lyndsay Fletcher, Nicolas Labrosse
  • Published 2015
  • Physics
  • Astronomy and Astrophysics
  • Context. The impulsive phase of solar flares is a time of rapid energy deposition and heating in the lower solar atmosphere, leading to changes in the temperature and density structure of the region. Aims. We use an O v density diagnostic formed from the λ192 /λ248 line ratio, provided by the Hinode/EIS instrument, to determine the density of flare footpoint plasma at O v formation temperatures of ~2.5 × 105 K, giving a constraint on the properties of the heated transition region. Methods… CONTINUE READING

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