A non-LTE analysis of solar flare K line |
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| Affiliation: | 1. Organic Metrology Group, Division of Chemical and Biological Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, South Korea;2. Department of Bio-Analytical Science, University of Science and Technology, Daejeon 34113, South Korea;3. Reference Materials Lab, National Institute of Standards, Tersa St, Haram, P. O. Box: 136, Giza 12211, Egypt;4. National Metrology Institute of Ethiopia, Addis Ababa, P. O. Box: 5722, Ethiopia;5. Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 34134, South Korea;1. 15 Stratton Terrace, Truro TR1 3EW, UK;2. 2 Eastfield Court, Southwell NG25 0NU, UK;3. Department of Physics and Astronomy, University of Leicester, LE1 7RH, UK;1. Laboratoire EM2C, CNRS, CentraleSupélec, Université Paris-Saclay, 3 rue Joliot Curie, 91192 Gif-sur-Yvette Cedex, France;2. Safran Aircraft Engines Villaroche, Rond Point René Ravaud - Réau, Moissy-Cramayel, 77550 France |
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| Abstract: | We carried out a non-LTE calculation of the simultaneous solution of equations of radiative transfer and statistical equilibrium for hydrogen and calcium. Based on the calculated results of a series of flare models, we investigated the effect of the Call K line by mircoturbulence, the temperature minimum region and the transition region. We also constructed a semi-empirical flare model that reproduced both the observed Hα and Call K line profiles. |
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