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Density Enhancements in the Solar Wind Plasma - Cluster Data Analysis
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this study density variations in the solar wind are examined based on data from the Cluster Mission. The data are originating from the stream outside the bowshock and thus they are spanning in an interval of three to four months for each mission year up to 2006. As the data are examined, variations above the relative electron density threshold of 1.3 are archived. The variations are analyzed in terms of position, orientation, magnetic field perturbation and scale sizes. The magnetic field perturbations are exhibiting diamagnetic and paramagnetic behavior and a possible link to similar observations inside the magnetosphere is attempted through the impulsive penetration mechanism. The final conclusion of the report is that plasma density enhancements, similar to those identified from previous studies inside the magnetosphere, are also evident in the free solar wind stream close to earth.

Place, publisher, year, edition, pages
2010. , 122 p.
EES Examensarbete / Master Thesis, XR-EE-SPP 2010:004
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-121330OAI: diva2:618439
Educational program
Master of Science - Aerospace Engineering
Physics, Chemistry, Mathematics
Available from: 2013-07-03 Created: 2013-04-28 Last updated: 2013-07-03Bibliographically approved

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