Forbidden oxygen and nitrogen lines in the nightglow |
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Authors: | DR Bates |
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Institution: | Department of Applied Mathematics and Theoretical Physics, Queen''s University, Belfast BT7 1NN, N. Ireland |
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Abstract: | An historical account is given of the development of our knowledge concerning the processes controlling the emission of the λ 5577 and λλ6300, 6364 lines of oxygen and the λλ5198, 5201 lines of nitrogen in the nightglow. Only in the case of the last can the processes be regarded as fully established. It is not yet known whether the emission of the oxygen green line from near the 100 km level follows the three-body process of Chapman (1931) or the two stage mechanism of Barth (1962, 1964). The pattern of the processes germane to the pre-twilight enhancement of the oxygen red doublet is not clear. |
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