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ionization equilibrium


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A balance achieved in a hot gas when the number of ionizations of a particular ion equals the number of recombinations into that ion. An example of a gas in ionization equilibrium is the Sun's corona. Thus, in ionization equilibrium, the number of ionizations of the ion Fe9+, which emits the red coronal line, to the Fe10+ ion equals the number of recombinations from Fe10+ to give Fe9+.

Subjects: Astronomy and Astrophysics.


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