Spatially resolved magnetic field structure in the disk of a T Tauri star

Ian W. Stephens (), Leslie W. Looney, Woojin Kwon, Manuel Fernández-López, A. Meredith Hughes, Lee G. Mundy, Richard M. Crutcher, Zhi-Yun Li and Ramprasad Rao
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Ian W. Stephens: Institute for Astrophysical Research, Boston University
Leslie W. Looney: University of Illinois
Woojin Kwon: SRON Netherlands Institute for Space Research, Landleven 12, 9747 AD Groningen, The Netherlands
Manuel Fernández-López: University of Illinois
A. Meredith Hughes: Van Vleck Observatory, Wesleyan University
Lee G. Mundy: University of Maryland, College Park
Richard M. Crutcher: University of Illinois
Zhi-Yun Li: University of Virginia
Ramprasad Rao: Institute of Astronomy and Astrophysics, Academia Sinica

Nature, 2014, vol. 514, issue 7524, 597-599

Abstract: Measurements of polarized 1.25-mm continuum emission from the accretion disk of the T Tauri star HL Tau show that the magnetic field inside the disk cannot be dominated by a vertical component, and that a purely toroidal field also does not fit the data; this suggests that the role of the magnetic field in the accretion of a T Tauri star is more complex than the current theoretical understanding.

Date: 2014
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DOI: 10.1038/nature13850

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