Why are some A stars magnetic, while most are not?

Wade, G.A., Silvester , J., Bale, K., Johnson, N., Power, J., Aurière, 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., Lèbre, A., and Marsden, S.C. (2009) Why are some A stars magnetic, while most are not? In: Astronomical Society of the Pacific Conference Series (405) pp. 499-504. From: Solar Polarization 5: in honor of Jan Olof Stenflo, 17-21 September 2007, Ascona, Switzerland.

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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.

Item ID: 17872
Item Type: Conference Item (Research - E1)
ISBN: 978-1-58381-691-2
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Date Deposited: 11 Sep 2014 03:33
FoR Codes: 02 PHYSICAL SCIENCES > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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