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Wavelet application to the magnetic field turbulence in the upstream region of the Martian bow shock

Earth, Planets and Space volume 50, pages 699–708 (1998)Cite this article

Abstract

Wavelet analysis of the magnetic field fluctuations in the Martian foreshock is performed. Dynamical features of wave spectra are compared with plasma measurements of backstreaming ions and simulation results for all available data from the Phobos-2 spacecraft. A detailed analysis reveals the complex, fine structure of the ULF waves. It is shown that enhancement of this electromagnetic activity (mostly, at frequencies higher than the proton gyrofrequency) coincides with entry of the spacecraft into a bunch of exospheric protons reflected from the bow shock. Emissions near cyclotron frequencies of H+, He+, O+ are also recorded. These waves indicate pickup processes in the upstream region of Mars.

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Authors and Affiliations

  1. Centre d’étude des Environnement Terrestre et Planétaires, 10-12 avenue, de l’Europe, 78140, Vélizy, France

    V. Tarasov, S. Perraut & A. Roux

  2. Max-Planck-Institut für Aeronomy, D-37191, Katlenburg-Lindau, Germany

    E. Dubinin & K. Sauer

  3. Space Research Institute, Profsojusnaia str. 84/32, 117810, Moscow, Russia

    E. Dubinin & A. Skalsky

  4. International Space Science Institute (ISSI), Hallerstrasse 6, 3012, Bern, Switzerland

    V. Tarasov, E. Dubinin, K. Sauer & A. Skalsky

  5. Institut für Weltraumforschung, Österreichische Akademie der Wissenschaften, Inffeldgasse 12, A-8010, Graz, Austria

    M. Delva

  6. Lviv Centre of the Space Research Institute of Ukraine, 5-A Naukova St., 290601, LVIV, Ukraine

    V. Tarasov

Authors
  1. V. Tarasov
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  2. E. Dubinin
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  3. S. Perraut
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  4. A. Roux
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  5. K. Sauer
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  6. A. Skalsky
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  7. M. Delva
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Correspondence to V. Tarasov.

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Tarasov, V., Dubinin, E., Perraut, S. et al. Wavelet application to the magnetic field turbulence in the upstream region of the Martian bow shock. Earth Planet Sp 50, 699–708 (1998). https://doi.org/10.1186/BF03352163

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  • DOI: https://doi.org/10.1186/BF03352163

Keywords

  • Solar Wind
  • Magnetic Field Fluctuation
  • Pickup Proton
  • Wavelet Application
  • Magnetic Field Turbulence