A kinetic study of solar wind mass loading and cometary bow shocks

Details A kinetic study of solar wind mass loading and cometary bow shocks A kinetic study of solar wind mass loading and cometary bow shocks

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....9213409o&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 92, Dec. 1, 1987, p. 13409-13426. Research supported by the University of

Physics

54

Bow Waves, Comets, Heavy Ions, Shock Waves, Solar Wind, Wave Propagation, Electromagnetic Radiation, Low Frequencies, Planetary Atmospheres, Planetary Magnetic Fields, Comets, Bow Shock, Kinetics, Solar Wind, Mass Loading, Ions, Dynamics, Electrons, Protons, Acceleration, Electromagnetic Fields, Amplitude, Electromagnetic Waves, Evolution, Stability, Formation, Heating, Density, Scattering, Comparisons, Models, Diagrams, Interaction, Calculations

Scientific paper

The kinetic processes associated with solar wind mass loading due to pickup of cometary ions, and the formation of cometary bow shocks were investigated numerically using a hybrid simulation code described by Leroy et al. (1981), in which solar wind protons and heavy cometary ions are treated kinetically, but the electrons are treated as a massless fluid. It was found that the solar wind decelaration and pickup of cometary ions take place through both the macroscopic electromagnetic fields embedded in the solar wind and the microscopic field associated with low-frequency electromagnetic waves that are generated by the unstable velocity distribution function of the cometary ions. The results of the main simulation runs at various cone angles are described and compared with the recent observations of comets Giacobini-Zinner and Halley.

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