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A study on Electron Oscillations in the Magnetosheath of Mars with Mars Express observations

Published online by Cambridge University Press:  12 September 2017

Adriane M. de Souza ,
Ezequiel Echer ,
Mauricio J. A. Bolzam  and
Markus Fränz
Adriane M. de Souza
Affiliation:
National Institute For Space Research, Sao Jose dos Campos, Brazil
Ezequiel Echer
Affiliation:
National Institute For Space Research, Sao Jose dos Campos, Brazil
Mauricio J. A. Bolzam
Affiliation:
Federal University of Goias, Jatai, Brazil
Markus Fränz
Affiliation:
Max Planck Institute for Solar System Research, Göttingen, Germany, email: adriane.souza@inpe.br
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Abstract

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Wavelet analysis was employed to identify the major frequencies of low-frequency waves present in the Martian magnetosheath. The Morlet wavelet transform was selected and applied to the electron density data, obtained from the Analyzer of Space Plasmas and Energetic Atoms experiment (ASPERA-3), onboard the Mars Express (MEX) spacecraft. We have selected magnetosheath crossings and analyzed electron density data. From a preliminary study of 502 magnetosheath crossings (observed during the year of 2005), we have found 1409 periods between 0.005 and 0.06Hz. The major frequencies observed were in the range 0.005-0.02 Hz with 58.5% of the 1409 frequencies identified.

Keywords

Mars MagnetosheathElectron OscillationsWavelet Transform
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S328: Living Around Active Stars , October 2016 , pp. 230 - 232
Copyright
Copyright © International Astronomical Union 2017 

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