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Magnetic Fields and Large-Scale SXR and EUV Coronal Structures

Published online by Cambridge University Press:  01 November 2006

Lidia van Driel-Gesztelyi
Lidia van Driel-Gesztelyi
Affiliation:
Mullard Space Science Laboratory, University College London, UK email: lvdg@mssl.ucl.ac.uk Observatoire de Paris-Meudon, LESIA, France email: Lidia.vanDriel@obspm.fr Konkoly Observatory, Budapest, Hungary
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Abstract

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An overview is presented of large-scale coronal structures as observed in soft X-rays (SXR) and extreme ultraviolet (EUV) wavelengths in the context of their magnetic properties. These structures include large-scale interconnecting and trans-equatorial loops, coronal streamers, coronal holes, filaments and filament channels. Since the general appearance of the corona and its structures change with evolving underlying fields, evolutionary trends and solar cycle dependence of these coronal structures are discussed as well.