Vol. 28, issue 03, article # 12

Leonovich L. A., Tashchcilin A. V., Leonovich V. A. The 557.7 and 630-nm atomic oxygen emission responses to sharp solar wind variations. // Optika Atmosfery i Okeana. 2015. V. 28. No. 03. P. 278-282 [in Russian].
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The paper presents the study of the 557.7 and 630-nm atomic oxygen emission responses to sharp variations in solar wind parameters, caused by shocks. The optical and geomagnetic data of the Eastern Siberia and interplanetary magnetic field and solar wind data were used for the analysis. It has been found that the considered emission intensity was increased for some cases, whereas in other cases there were no responses during sudden sharp variations in solar wind plasma speed and density. It has been shown that the presence or absence of the responses in the emissions was not related to the disturbance amplitude of the solar wind parameters. It has been suggested that the emission intensity increase could be caused by the electrons precipitation from the magnetic trap during interaction between the solar wind shock and magnetosphere.


ionospheric disturbance, airglow, geomagnetic storm


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