Structure of the sunspot penumbra

Abstract

Dissertation zur Erlangung des Doktorgrades der Mathematisch-Naturwissenschaflichen Fakultaten der Georg-August Universität zu Göttingen. Introduction -- Spectropolarimetry -- Sunspot Penumbra -- Comparison of two semiempirical models -- The nature of the Evershed flow -- Size of the penumbral filaments -- MHS equilibrium of thick penumbral filaments -- Conclusions.