Physics – Plasma Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm34a..03d&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM34A-03
Physics
Plasma Physics
[7835] Space Plasma Physics / Magnetic Reconnection, [7900] Space Weather
Scientific paper
The nature of the interaction of the solar wind and associated magnetic field benefits from simultaneous coverage over a range of different magnetopause sites. We consider Cluster, Double Star and THEMIS conjunctions which allow exploration of the conjugate response of the dayside magnetopause and dawn/dusk flanks. In particular, during the April to July 2007 epoch, the array of four Cluster spacecraft, separated at large distances (10,000 km), were traversing the dawn-side magnetopause at high and low latitudes; the five THEMIS spacecraft were often in a 4+1 configuration, traversing the low latitude, dusk-side magnetosphere, and the Double star, TC-1 spacecraft was in an equatorial orbit between the local times of the THEMIS and Cluster orbits. This combination of 10 spacecraft provided simultaneous monitoring across a wide range of local times. The distribution and grouping of spacecraft allow multi-scale analysis of local phenomena operating on both flanks of the magnetopause, such as the occurrence and location of reconnection sites; Kelvin-Helmholtz waves, and boundary layer extent. Other configurations have shown evidence for a high-latitude reconnection site, closely following a period of low latitude reconnection, which is located on initially closed field-lines, where the magnetic field orientations inside and outside the magnetopause are close to anti-parallel.
Berchem Jean
Bogdanova Yulia V.
Constantinescu Dragos O.
Dunlop Malcolm W.
Eastwood Jonathan P.
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