Possible wave amplitudes in shocks in the solar corona - Predictions for Solar Probe

Details Possible wave amplitudes in shocks in the solar corona - Predictions for Solar Probe Possible wave amplitudes in shocks in the solar corona - Predictions for Solar Probe

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9621397m&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Dec. 1, 1991, p. 21,397-21,401.

Physics

Magnetohydrodynamic Turbulence, Magnetohydrodynamic Waves, Magnetosheath, Shock Wave Propagation, Solar Corona, Bow Waves, International Sun Earth Explorers, Solar Probes

Scientific paper

Terrestrial shock measurements are scaled to coronal parameters to demonstrate the need for improvements for the Solar Probe instrumentation. A model of coronal shock is presented to estimate corresponding shock parameters, and a comparison is made with ISEE 3 crossings to examine terrestrial bow shock and wave activity downstream. The turbulence in the magnetosheath is scaled to predict the specific range of amplitudes and frequencies of wave regions that the Solar Probe can encounter. The high velocity of the spacecraft at perihelion constrains the potential application of present instrumentation. In order to properly characterize the coronal shocks the Solar Probe requires instrumentation that can detect shock-generated Alfven waves Doppler-shifted to frequencies of a few kHz.

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