Characteristic core formation conditions for the Hα line at t = 1 s.
|Flare model||ntot(τ = 1) (cm−3)||χ(τ = 1)|
|F10||7.9E + 11||0.90599||1.02E − 2|
|F11||2.1E + 12||0.93240||2.22E − 2|
|F12||5.8E + 12||0.97239||2.68E − 2|
Notes. Values of the number density ntot, ionisation degree χ, and ratio ofneutral hydrogen atoms with electrons in state 3 to those with electrons in state 2 are shown for the point at which theHα line has an optical depth of τ = 1. Results are presented for the F10 (top row), F11 (middle row), and F12 (bottom row) beam models.
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