The Strongest Magnetic Fields on the Coolest Brown Dwarfs

@article{Kao2018TheSM,
  title={The Strongest Magnetic Fields on the Coolest Brown Dwarfs},
  author={M. Kao and G. Hallinan and J. S. Pineda and D. Stevenson and A. Burgasser},
  journal={Astrophysical Journal Supplement Series},
  year={2018},
  volume={237},
  pages={25}
}
We have used NSF's Karl G. Jansky Very Large Array to observe a sample of five known radio-emitting late-L and T dwarfs ranging in age from ~0.2 to 3.4 Gyr. We observed each target for seven hours, extending to higher frequencies than previously attempted and establishing proportionally higher limits on maximum surface magnetic field strengths. Detections of circularly polarized pulses at 8–12 GHz yield measurements of 3.2–4.1 kG localized magnetic fields on four of our targets, including the… Expand
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