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   |  INSTITUTET FÖR RYMDFYSIK  | 
   UPPSALA  | 
 
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|  Swedish Institute of Space Physics  | 
 (59°50.272′N, 17°38.786′E)  | 
 
 
					   
  Student project at IRF Uppsala
  
  
  
  
  
  
BSc thesis (15c)/Examensarbete (15hp) 
Orientation of plasma jet fronts in the Earth's magnetotail
Student: Atlas Silverhult,
Uppsala University 
Supervisor:
Yuri Khotyaintsev 
Assistant supervisor:
Louis Richard  
Period: Spring 2023
 
Abstract
This project aims to investigate the orientation of plasma jet fronts in Earth's magnetotail using multi-spacecraft measurement data. The orientations are estimated by applying minimum variance analysis (MVA) and multi-spacecraft timing analysis for finding normal vectors to the jet fronts as they pass over the spacecraft. An agreement between the two analysis methods is found when applied to a data set of fronts. The obtained results are compared to measurements of the ion bulk velocities of the fronts, where a discrepancy is found. Limitations of the analysis are addressed and alternative approaches are presented.
Results
![[MMS]](../../img/mms_recon.jpg)  
The MMS satellites and the terrestrial magnetosphere [image credit: NASA]
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