Computer Science
Scientific paper
Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apm.....2...47o&link_type=abstract
In its Proceedings of the 2nd US-Japan Workshop on Advanced Plasma Modeling, Volume 2 p 47-59 (SEE N89-12407 03-75)
Computer Science
Computerized Simulation, Magnetohydrodynamic Waves, Plasma Interactions, Plasma Temperature, Solar Wind, Cometary Atmospheres, Magnetic Fields, Shock Waves, Space Plasmas, Time Dependence
Scientific paper
Interaction between the solar wind and the plasmas produced from cometary gases was modeled by using a three-dimensional time-dependent magnetohydrodynamic (MHD) simulation with the cometary mass loading. The model reproduced several features observed by the recent missions to comet Halley. A weak bow shock was located at 3.2 x 100000 km in front of the comet. The magnetic field increased by a factor of 3.7 across this weak bow shock and continued to increase up to the contact surface. The plasma temperature increased across the bow shock and decreased nearer to the comet. IMF lines were hung up on the comet and formed a long plasma tail in which the lobe field was quite strong. A cold dense plasma sheet formed in the tail and this thin plasma sheet was oriented normal to the IMF direction.
Ashour-Abdalla Maha
Ogino Takeshi
Walker Ray J.
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