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Science 3 February 2006:
Vol. 311. no. 5761, p. 573
DOI: 10.1126/science.311.5761.573c
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This Week in Science

Magnetic fields on stars like the Sun affect their interiors and their surrounding environment. In strongly convecting stars, turbulence is expected to break up aligned magnetic fields. Donati et al. (p. 633; see the Perspective by Basri) show that in a very-low-mass, fully-convective star, substantial fields remain, including a strong dipole component. The pattern of magnetic fields on the star's surface was recreated from observations of the fine Zeeman splitting of spectral lines caused by magnetic fields and other signatures in polarized light.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)