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Thesis topic proposal
 
Gábor Facskó
Testing shock jump predictions: THEMIS Observations

THESIS TOPIC PROPOSAL

Institute: Eötvös Loránd University, Budapest
earth sciences
Doctoral School of Earth Sciences

Thesis supervisor: Gábor Facskó
Location of studies (in Hungarian): Wigner Reseach Centre for Physics, Department of Space Physics and Space Technology
Abbreviation of location of studies: ELKH


Description of the research topic:

"After the solar wind crossed the bow shock and entered the magnetosheath the temperature, the magnetic field magnitude, and the density of the solar wind increased; furthermore the solar wind velocity dropped and its course changed. The theory of magnetohydrodynamics (MHD) had predictions for the ratio of these parameters on each side of the boundary layer. The three THEMIS spacecraft were in the same orbit therefore their particular configuration, magnetic field, and ion plasma measurements let us test the MHD bow shock jump predictions.
Twenty events are selected and analyzed in this study. The ratio of the down- and upstream magnetic field magnitude and solar wind speed are calculated and compared to the theory. We expect deviances from the MHD theory at the quasi-parallel bow shock region and when transient dayside magnetospheric events are observed near the bow shock crossing."

Required language skills: Enlish
Further requirements: 
Ability to work independently, programming skills

Number of students who can be accepted: 1

Deadline for application: 2023-05-31


2024. IV. 17.
ODT ülés
Az ODT következő ülésére 2024. június 14-én, pénteken 10.00 órakor kerül sor a Semmelweis Egyetem Szenátusi termében (Bp. Üllői út 26. I. emelet).

 
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