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Direct measurements of auroral kilometric radiation in a limited source

  • Plasma, Hydro- and Gas Dynamics
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Abstract

The enhancement of auroral kilometric radiation near its lowest frequency has been detected in the polar edge of the auroral zone in the POLRAD experiment with the INTERBALL-2 satellite. The difference between the local electron cyclotron frequency and the lowest frequency of enhanced radiation is 8–20 kHz, indicating the closeness to the source of auroral kilometric radiation. According to the detailed analysis of low-frequency auroral kilometric radiation, its amplitude is larger than the “background” values by a factor of 20–70 and has amplitude modulation with characteristic periods of 40-60 s. The increase in the intensity at low frequencies is attributed to the intersection of the source region by the satellite and the detection of waveguide modes in it.

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Authors and Affiliations

  1. Space Research Institute, Russian Academy of Sciences, ul. Profsoyuznaya 84/32, Moscow, 117997, Russia

    M. M. Mogilevsky, I. L. Moiseenko, T. V. Romantsova, T. M. Burinskaya & D. V. Chugunin

  2. Space Research Centre, Polish Academy of Sciences, 87-100, Torun, Poland

    J. Hanasz

Authors
  1. M. M. Mogilevsky
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  2. I. L. Moiseenko
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  3. T. V. Romantsova
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  4. J. Hanasz
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  5. T. M. Burinskaya
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  6. D. V. Chugunin
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Corresponding author

Correspondence to M. M. Mogilevsky.

Additional information

Original Russian Text © M.M. Mogilevsky, I.L. Moiseenko, T.V. Romantsova, J. Hanasz, T.M. Burinskaya, D.V. Chugunin, 2011, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2011, Vol. 93, No. 6, pp. 359–362.

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Mogilevsky, M.M., Moiseenko, I.L., Romantsova, T.V. et al. Direct measurements of auroral kilometric radiation in a limited source. Jetp Lett. 93, 326–329 (2011). https://doi.org/10.1134/S0021364011060087

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  • DOI: https://doi.org/10.1134/S0021364011060087

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