Loops, fields and all that

Loops are strong emitters in the EUV, XUV, and X-ray ranges, i.e., from T > approximately 10 super(4) K to T [perspective to] 2-3 x 10 super(6) K. They appear to be relatively slow-changing, long-lived structures (lifetimes up to days), but at the same time, they have also been recognized as the...

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Bibliographic Details
Published inSpace science reviews Vol. 29; no. 4; pp. 349 - 353
Main Author Chiuderi, Claudio
Format Journal Article
LanguageEnglish
Published 01.01.1981
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Summary:Loops are strong emitters in the EUV, XUV, and X-ray ranges, i.e., from T > approximately 10 super(4) K to T [perspective to] 2-3 x 10 super(6) K. They appear to be relatively slow-changing, long-lived structures (lifetimes up to days), but at the same time, they have also been recognized as the seat of coronal flares. Loops connect regions of opposite magnetic polarity and, therefore, delineate the gross topology of the coronal magnetic field. A proper understanding of coronal loops would constitute an important achievement for the whole of plasma astrophysics. To understand the loops means to present a quantitative picture of a magnetized plasma subject to gravity, which takes into consideration heating, radiation losses, thermal conduction, compressibility, mass flow, geometry, and varying boundary conditions.
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ISSN:0038-6308
1572-9672
DOI:10.1007/BF00239474