Автор |
Slanger, T. G. |
Автор |
Huestis, D. L. |
Дата выпуска |
1981 |
dc.description |
Synthetic spectra have been calculated incorporating three O<sub>2</sub> emission systems, A³Σ<sub>u</sub><sup>+</sup> → X³Σ<sub>g</sub><sup>−</sup>, A′³Δ<sub>u</sub> → a¹Δ<sub>g</sub>, and c¹Σ<sub>u</sub><sup>−</sup> → X³Σ<sub>g</sub><sup>−</sup>, and matched to the 3100‐ to 4500‐Å nightglow spectrum of Broadfoot and Kendall (1968). The synthesis necessitated the inclusion of the c¹Σ<sub>u</sub><sup>−</sup> → X³Σ<sub>g</sub><sup>−</sup> system, which has never been previously identified in the airglow, although it is a dominant system in the Venusian nightglow. The emissions from the extremely metastable A′³Δ<sub>u</sub> and c¹Σ<sub>u</sub><sup>−</sup> states account for half the radiation in the 3100‐ to 4500‐Å region, from which it may be deduced that the mesospheric concentrations of O<sub>2</sub>(A′³Δ<sub>u</sub>) and O<sub>2</sub>(c¹Σ<sub>u</sub><sup>−</sup>) are much higher than that of O<sub>2</sub>(A³Σ<sub>u</sub><sup>+</sup>). The vibrational distributions are quite unrelaxed for all three states. |
Формат |
application.pdf |
Копирайт |
Copyright © 1981 by the American Geophysical Union. |
Тема |
IONOSPHERE |
Тема |
Particles and Fields—Ionosphere: Airglow |
Тема |
PLANETARY SCIENCES: SOLID SURFACE PLANETS |
Тема |
Planetology: Atmospheres of planets |
Название |
O<sub>2</sub> (c¹Σ<sub> u </sub> <sup>−</sup> → X³Σ<sub> g </sub> <sup>−</sup>) emission in the terrestrial nightglow |
Тип |
article |
DOI |
10.1029/JA086iA05p03551 |
Electronic ISSN |
2156-2202 |
Print ISSN |
0148-0227 |
Журнал |
Journal of Geophysical Research: Space Physics |
Том |
86 |
Первая страница |
3551 |
Последняя страница |
3554 |
Выпуск |
A5 |
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