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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

Student project (6c)/Studentprojekt (6hp)

Normal vector of shock waves encountered by Solar Orbiter

Student: Antti Kukkola, University of Helsinki
Supervisor: Andreas Johlander
Period: Spring 2022

Description

Plasma shock waves are common in the universe and our solar system. Interplanetary (IP) shocks form in the stream of plasma that constantly flows from the Sun - the solar wind. These IP shocks are of great interest since they can accelerate particles and even disturb the space envirionment here on Earth. Solar Orbiter is a spacecraft launched in 2020 which will study the Sun up close. One of the scientific objectives is to study IP shocks at different distances from the Sun. A key parameter of plasma shock waves is the angle between the shock normal and the upstream magnetic field. It is therefore important to accurately determine the shock normal vector. The goal of this project is to investigate the reliability and accuracy of different methods to determine the shock normal vector of IP shocks observed by Solar Orbiter.

Results

To come!

[SoHO]
Coronal mass ejections are large eruptions on the Sun that can create shock waves in the solar wind. [Image credit: SoHO/LASCO/ESA/NASA]

https://www.space.irfu.se/exjobb/2022_antti_kukkola/index.html
last modified on Tuesday, 15-Feb-2022 16:35:04 CET