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Access through your institution Buy or subscribe _Nature_ 463, 207–209 (2010) Algol B, the less massive star of the system, is more evolved than the primary star, Algol A, around which it
orbits with an eclipsing cycle of 2.86 days. The magnetic loop originates from the poles of Algol B and stretches towards Algol A, fixing the side that always faces its companion. This is a
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version of the Research Highlights article 'Above the gap', the name of Seung-Yeul Yang was spelled incorrectly. This has been corrected in the HTML and PDF versions. _ RIGHTS AND
PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Our choice from the recent literature. _Nature Phys_ 6, 78 (2010). https://doi.org/10.1038/nphys1523 Download
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