Multi-spacecraft observations of the magnetotail in the CLUSTER era; The telescope-microscope combination

Details Multi-spacecraft observations of the magnetotail in the CLUSTER era; The telescope-microscope combination Multi-spacecraft observations of the magnetotail in the CLUSTER era; The telescope-microscope combination

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsm31b..01b&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SM31B-01

Other

2720 Energetic Particles, Trapped, 2740 Magnetospheric Configuration And Dynamics, 2784 Solar Wind/Magnetosphere Interactions, 2788 Storms And Substorms

Scientific paper

The magnetospheric research community has long sought the capability to view the Sun-Earth system in a global way and concurrently to probe the microphysical details of key physical regions. This objective has now been substantially realized with the combination of the CLUSTER and IMAGE missions. With the addition of SOHO, ACE, FAST, SAMPEX, POLAR, and geostationary orbit spacecraft, there is a remarkable ability to apply both telescopic and microscopic principles. Several recent examples serve to illustrate the observational power of these new tools. In the case of 31 March 2001, we observed a major geomagnetic storm and saw a powerful compression of the magnetosphere and a concomitant strong substorm. This event showed a large energetic particle injection deep in the magnetosphere far toward the dusk sector. In another event on 27 August 2001, CLUSTER observed a clear substorm sequence of events in the mid-magnetotail region (X ~-19R{_E}). In this case, evidence suggests that magnetic reconnection began on the closed field lines of the plasma sheet about seven minutes prior to the magnetic field dipolarization and current disruption seen at geostationary orbit and the auroral brightening seen in IMAGE global images. In these, and many other cases, CLUSTER data reveal microphysical details while IMAGE and other spacecraft show the global, macroscopic context. These new observations can lead to an unprecedented understanding of magnetotail dynamical processes.

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