Hydroxyl emission

From Glossary of Meteorology



hydroxyl emission

(Also known as Meinel bands.) Spectroscopic feature seen in the upper atmosphere; a form of chemiluminescence due to the formation of vibrationally excited hydroxyl radicals in the reaction of hydrogen atoms with ozone,
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The origin of the emission was correctly identified by A. Meinel in the 1950s. The emission is a component of the airglow.

Meinel, A. B. 1950. OH emission bands in the spectrum of the night sky. Astrophys. J.. 111. 555–564.


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