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astro-ph.SR2019★ 25 cited
Signs of accretion in the white dwarf + brown dwarf binary NLTT5306
E. S. Longstaff, S. L. Casewell, G. A. Wynn +4
We present new XSHOOTER spectra of NLTT5306, a 0.44 0.04\msun white dwarf in a short period (101\,min) binary system with a brown dwarf companion that is likely to have previ…
astro-ph.SR2015★ 49 cited
The Rotation Period and Magnetic Field of the T Dwarf 2MASSI J1047539+212423 Measured From Periodic Radio Bursts
P. K. G. Williams, E. Berger
Periodic radio bursts from very low mass stars and brown dwarfs simultaneously probe their magnetic and rotational properties. The brown dwarf 2MASSI J1047539+212423 (2M 1047+21) i…
astro-ph.SR2013★ 103 cited
Trends in Ultracool Dwarf Magnetism. I. X-Ray Suppression and Radio Enhancement
P. K. G. Williams, B. A. Cook, E. Berger
Although ultracool dwarfs (UCDs) are now known to generate and dissipate strong magnetic fields, a clear understanding of the underlying dynamo is still lacking. We have performed…