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Auroral kilometric radio emission in the period of quiet sun in 1996

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Abstract

The auroral kilometric radio emission (AKR) is the most powerful sporadic radio emission of the terrestrial magnetosphere. It was discovered in 1965 by Soviet scientists in the experiment onboard the Electron-2 satellite [1]. The AKR still continues to stay an object of a large interest and detailed study (see, for example, a review by Gurnett [2]). The mechanism of cyclotron maser instability proposed by Wu and Lee [3] is a commonly accepted mechanism of AKR generation. We have demonstrated the presence of powerful AKR simultaneously in both hemispheres of the Earth in the period from August 1995 to August 1997, including summer-winter periods, on particular examples of registration of this emission in [4] where the directivity and mechanism of the emission were studied. Since in that period AKR was observed in the vicinity of perigees of the satellite orbit in both hemispheres almost at every orbit (3.8 days), we have a possibility to trace in more detail the changes in the emission power from one orbit to another in 1996 during a deep minimum of solar activity.

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References

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  1. Shternberg Astronomical Institute, Universitetskii pr. 13, Moscow, 119899, Russia

    V. N. Kuril’chik

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  1. V. N. Kuril’chik
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Original Russian Text © V.N. Kuril’chik, 2011, published in Kosmicheskie Issledovaniya, 2011, Vol. 49, No. 6, pp. 516–519.

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Kuril’chik, V.N. Auroral kilometric radio emission in the period of quiet sun in 1996. Cosmic Res 49, 500–503 (2011). https://doi.org/10.1134/S0010952511050078

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  • DOI: https://doi.org/10.1134/S0010952511050078

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