Physics
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..893s&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 17, May 1990, p. 893-896.
Physics
38
Bow Waves, Mars Atmosphere, Planetary Magnetospheres, Plasma Waves, Shock Wave Propagation, Ion Acoustic Waves, Mars Probes, Planetary Magnetic Fields, Planetary Magnetotails, Plasma Sheaths, Solar Planetary Interactions, Solar Wind, Mars, Bow Shock, Waves, Plasma Waves, Plasma, Spacecraft Observations, Phobos 2 Mission, Magnetosphere, Magnetosheath, Intensity, Formation, Origin, Shock Effects, Current, Frequencies, Ions, Pws Instrument, Harp Instrument, Calculations, Position (Location), Mass Loading, Stab
Scientific paper
Plasma wave activity in the neighborhood of the Martian bow shock were measured by the Phobos-2 in a wide frequency range from dc to 150 kHz. Suggestions are provided for the processes responsible for these plasma waves. The most interesting peculiarities of the wave activity around Mars is the sharp increase of wave intensity in the magnetosheath region. High frequency waves are excited at the shock front due to currents flowing along the front. These ion acoustic waves are convected inside by the solar wind. The low frequency waves close to the inside boundary were probably generated by heavy Martian ions diffusing through the planetopause into the magnetosheath.
Grard Rejean J. L.
Kiraly Péter
Nagy Andrew F.
Sagdeev Roal'd. Z.
Shapiro Vitali D.
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