The Magnetic Fields of the Quiet Sun
J. Sanchez Almeida (1, 2), M. Martinez Gonzalez (1, 2), (Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain (1) and, Departamento de Astrofisica, Universidad de La Laguna (2))

TL;DR
This review summarizes recent advances and ongoing challenges in understanding the magnetic fields of the quiet Sun, highlighting observational properties, theoretical explanations, and their significance in solar physics.
Contribution
It provides a comprehensive overview of the observational and theoretical understanding of quiet Sun magnetism, emphasizing recent changes and future research directions.
Findings
Magnetic field strengths and flux densities vary across the quiet Sun.
Magnetic field inclinations and temporal evolution are characterized.
Quiet Sun magnetism influences chromospheric and coronal structures.
Abstract
This work reviews our understanding of the magnetic fields observed in the quiet Sun. The subject has undergone a major change during the last decade (quiet revolution), and it will remain changing since the techniques of diagnostic employed so far are known to be severely biased. Keeping these caveats in mind, our work covers the main observational properties of the quiet Sun magnetic fields: magnetic field strengths, unsigned magnetic flux densities, magnetic field inclinations, as well as the temporal evolution on short time-scales (loop emergence), and long time-scales (solar cycle). We also summarize the main theoretical ideas put forward to explain the origin of the quiet Sun magnetism. A final prospective section points out various areas of solar physics where the quiet Sun magnetism may have an important physical role to play (chromospheric and coronal structure, solar wind…
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Stellar, planetary, and galactic studies · Geomagnetism and Paleomagnetism Studies
