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    • High resolution scattering spectropolarimetry of the quiet solar photosphere 

      Zeuner, Franziska (2021-01-14)
      In this thesis we investigate small-scale scattering polarization signals in quiet, internetwork (IN) regions of the lower solar atmosphere. Small-scale polarization signals are inherently hard to observe due to their ...
    • Modelling the evolution of small bipolar regions on the Sun 

      Hofer, Bernhard (2023-10-23)
      Solar activity affects life on Earth in various ways, from geomagnetic storms to the terrestrial climate. The driver of solar activity is the solar magnetic field, which manifests itself in the form of small and large-scale ...
    • Solar Variability over the Last 9000 Years 

      Wu, Chi-Ju (2018-08-31)
      The solar activity has been observed to vary at various time scales, of which the 11-year solar cycle is the most prominent one. Since the Sun provides the main external energy to the Earth, knowledge of solar variability ...