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Estimation of the average energy of auroral electrons using an intensity ratio of 630.0 and 427.8 nm emissions
- Authors: Dashkevich Z.V1, Ivanov V.E1
-
Affiliations:
- Polar Geophysical Institute
- Issue: Vol 89, No 5 (2025)
- Pages: 789-795
- Section: Physics of Auroral Phenomena
- URL: https://jdigitaldiagnostics.com/0367-6765/article/view/691656
- DOI: https://doi.org/10.31857/S0367676525050166
- ID: 691656
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Abstract
The effect of three factors on the dependence of the average energy of the auroral electron flux on the ratio of the intensities of the 630.0 and 427.8 nm emissions, namely: the shape of the energy spectrum of the auroral electron flux, the concentration of atomic oxygen in the neutral atmosphere and the concentration of nitrogen oxide, was studied using numerical modeling. It is shown that the influence of the considered factors on the average dependence does not exceed 20% for the ratios of emission intensities of 630.0 and 427.8 nm, which lie in the range from 0.1 to 10. An analytical approximation of the calculated dependence is presented.
About the authors
Zh. V Dashkevich
Polar Geophysical Institute
Email: zhanna@pgia.ru
Apatity, Russia
V. E Ivanov
Polar Geophysical InstituteApatity, Russia
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