Vol. 9 (2012) > lrsp-2012-6

doi: 10.12942/lrsp-2012-6
Living Rev. Solar Phys. 9 (2012), 6

The Sun's Global Photospheric and Coronal Magnetic Fields: Observations and Models

1 University of St Andrews, School of Mathematics and Statistics, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9SS, UK
2 Department of Mathematical Sciences, Durham University, Science Laboratories, South Road, Durham DH1 3LE, UK

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Article Abstract

In this review, our present day understanding of the Sun's global photospheric and coronal magnetic fields is discussed from both observational and theoretical viewpoints. Firstly, the large-scale properties of photospheric magnetic fields are described, along with recent advances in photospheric magnetic flux transport models. Following this, the wide variety of theoretical models used to simulate global coronal magnetic fields are described. From this, the combined application of both magnetic flux transport simulations and coronal modeling techniques to describe the phenomena of coronal holes, the Sun's open magnetic flux and the hemispheric pattern of solar filaments is discussed. Finally, recent advances in non-eruptive global MHD models are described. While the review focuses mainly on solar magnetic fields, recent advances in measuring and modeling stellar magnetic fields are described where appropriate. In the final section key areas of future research are identified.

Keywords: Magnetic fields, Photosphere, Modelling, Corona, Observations

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Since a Living Reviews in Solar Physics article may evolve over time, please cite the access <date>, which uniquely identifies the version of the article you are referring to:

Duncan Mackay and Anthony Yeates,
"The Sun's Global Photospheric and Coronal Magnetic Fields: Observations and Models",
Living Rev. Solar Phys. 9,  (2012),  6. URL (cited on <date>):
http://www.livingreviews.org/lrsp-2012-6

Article History

ORIGINAL http://www.livingreviews.org/lrsp-2012-6
Title The Sun's Global Photospheric and Coronal Magnetic Fields: Observations and Models
Author Duncan Mackay / Anthony Yeates
Date accepted 28 September 2012, published 26 November 2012
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