Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsm43a1155h&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SM43A-1155
Physics
2109 Discontinuities, 2154 Planetary Bow Shocks, 2784 Solar Wind/Magnetosphere Interactions, 2788 Storms And Substorms
Scientific paper
The storm of March 31, 2001 presented a unique opportunity to use 4 satellites to track solar wind features from far-upstream, through the earth's bow shock to the magnetopause. The ACE satellite was about 220 Re upstream but almost on the Sun-Earth line, WIND was at approximately Y=-250Re, and GEOTAIL and CLUSTER exited the magnetopause on the Earth's dayside owing to the storm compression. Using the location of these spacecraft, the arrival of the discontinuity at the Earth can be reliably calibrated at 38 minutes after passing over the ACE spacecraft. A closer look at the CLUSTER data during this event also shows several oscillations of the bowshock past the satellite which allows for calculation of the velocity of the shock relative to the spacecraft. Detailed comparison of CLUSTER and GEOTAIL data when the satellites are near the magnetopause gives indirect evidence of the draping of the magnetic field lines over the magnetopause. Results from the Rice Convection Model using solar wind data with a 38 minute time delay from the ACE spacecraft to the magnetopause will be presented and compared to previous runs of the same event.
Hausman B.
Michel Curtis F.
Sazykin Stanislav
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