Essays about: "Zeeman-Doppler imaging"

Found 4 essays containing the words Zeeman-Doppler imaging.

  1. 1. The magnetic field of phi Draconis

    University essay from Uppsala universitet/Observationell astrofysik

    Author : Nikolaos Papakonstantinou; [2022]
    Keywords : stars: atmospheres – stars: chemically peculiar – stars: magnetic field – stars: starspots – stars: individual: phi Dra;

    Abstract : Within this past decade, advances in spectropolarimetric analyses allowed mapping surface characteristics of nearby non-resolved stars with unique characteristics. In this study, we attempt mapping of the magnetic field structure and surface distribution of elements for such a star, the magnetic Ap star phi Dra. READ MORE

  3. 2. Design of Instrumentation & Control and Optical Table Instruments for the Divertor Flow Monitor Diagnostic at ITER

    University essay from Uppsala universitet/Tillämpad kärnfysik

    Author : Niklas Hermansson; [2022]
    Keywords : Coherence imaging; fusion; optics; plasma diagnostic; polarization; spectroscopy; Zeeman-Doppler imaging;

    Abstract : This master's thesis describes the process of the design and instrument selection for a future optical table, part of a plasma flow monitor diagnostic system at the international thermonuclear experimental reactor, ITER. The diagnostic system is designed to detect the presence of edge localized mode, low to high confinement mode transition of plasma, and plasma flow velocity in the divertor region of the reactor. READ MORE

  4. 3. Investigation of the magnetic fields of a young Sun-like star ∏1 UMa

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : Lawen Ahmedi; [2020]
    Keywords : Magnetic field; star; young Sun; polarisation; Stokes vector;

    Abstract : In astronomy, the Sun has an important role. It keeps the solar-system together and is thesource for life, heat, light and energy to Earth. As any other star or planet, the Sun has amagnetic field. The magnetic field of the Sun has a great impact on the Sun itself as well asits surrounding. READ MORE

  5. 4. Zeeman Doppler Imaging of the eclipsing binary UV Piscium

    University essay from Uppsala universitet/Observationell astrofysik

    Author : Axel Hahlin; [2020]
    Keywords : Magnetic fields; polarisation; eclipsing binary;

    Abstract : Magnetic fields are important for multiple physical processes in and around stars, for these reasons improving the understanding of how they are generated and maintained is of great value. In this work the magnetic field structure of the eclipsing binary UV Piscium is investigated. READ MORE