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Paper: Why are Some A Stars Magnetic, while Most are Not?
Volume: 405, Solar Polarization 5: In Honor of Jan Olof Stenflo
Page: 499
Authors: Wade, G.A.; Silvester, J.; Bale, K.; Johnson, N.; Power, J.; Auriére, M.; Ligniéres, F.; Dintrans, B.; Donati, J.-F.; Hui Bon Hoa, A.; Mouillet, D.; Naseri, S.; Paletou, F.; Petit, P.; Rincon, F.; Toque, N.; Bagnulo, S.; Folsom, C.P.; Landstreet, J.D.; Gruberbauer, M.; Lueftinger, T.; Jeffers, S.V.; Lébre, A.; Marsden, S.C.
Abstract: A small fraction of intermediate-mass main sequence (A and B type) stars have strong, organised magnetic fields. The large majority of such stars, however, show no evidence for magnetic fields, even when observed with very high precision. In this paper we describe a simple model, motivated by qualitatively new observational results, that provides a natural physical explanation for the small fraction of observed magnetic stars.
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