Sunspots: from small-scale inhomogeneities towards a global theory
Rolf Schlichenmaier
TL;DR
This paper reviews current observational and theoretical understanding of sunspot penumbrae, focusing on complex magnetic and velocity fields, and discusses challenges in modeling and measurement techniques.
Contribution
It provides a comprehensive summary of the latest observational and theoretical insights into sunspot penumbrae, highlighting existing challenges and future directions.
Findings
Complex magnetic and velocity structures in penumbrae
Challenges in measuring magnetic field geometry
Advances in radiative magneto-convection modeling
Abstract
The penumbra of a sunspot is a fascinating phenomenon featuring complex velocity and magnetic fields. It challenges both our understanding of radiative magneto-convection and our means to measure and derive the actual geometry of the magnetic and velocity fields. In this contribution we attempt to summarize the present state-of-the-art from an observational and a theoretical perspective.
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