Global Hydrid Modelling of the Venus Express MAG Observations

Details Global Hydrid Modelling of the Venus Express MAG Observations Global Hydrid Modelling of the Venus Express MAG Observations

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p33b1290j&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P33B-1290

Physics

2134 Interplanetary Magnetic Fields, 2780 Solar Wind Interactions With Unmagnetized Bodies, 6295 Venus

Scientific paper

When the unmagnetized planet Venus with a dense atmosphere interacts with the solar wind, an induced magnetosphere is formed and the interplanetary magnetic field (IMF) is enhanced and draped near the planet. Hybrid modelling is a semi-kinetic method to study the plasma interactions of Venus-like objects in a global planetary scale. HYB simulation code solves numerically the hybrid model equations and provides, for example, a three dimensional structure of the magnetic field in the objects's near-space. The magnetic fields produced by the HYB-Venus runs are compared to the Venus Express MAG magnetometer observations. Also, the possiblity to derive more information from the MAG-HYB comparison by rotating a quasi-stationary simulation solution around the Venus-Sun axis along the spacecraft orbit is studied. The rotations correspond to a dynamically changing clock angle in the upstream IMF.

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