Vol. 31, issue 10, article # 4

Sosnin E. A., Naidis G. V., Tarasenko V. F., Babaeva N. Yu., Panarin V. A., Skakun V. S. The ratio of the intensities of 2P and 1P molecular nitrogen bands in apokamp discharge at different air pressures. // Optika Atmosfery i Okeana. 2018. V. 31. No. 10. P. 794–797. DOI: 10.15372/AOO20181004 [in Russian].
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The laboratory simulation of the color change of the light jet formed in the apokampic discharge at different air density is carried out. The observed change is similar to color change the Earth's atmosphere transients occurring at different altitudes. It is shown experimentally that it is caused by a change in the ratio of the radiation intensity of the second and first positive systems of molecular nitrogen. The results of the theoretical evaluation of this ratio are in agreement with the experiment in the pressure range from 1 to 120 Torr.


apokampic discharge, blue jet, sprite, transient luminous events


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