A 15.7-Minute AM CVn Binary Discovered in K2

@article{Green2018A1A,
  title={A 15.7-Minute AM CVn Binary Discovered in K2},
  author={M. Green and J. Hermes and T. Marsh and D. Steeghs and K. Bell and S. Littlefair and S. Parsons and E. Dennihy and J. Fuchs and J. S. Reding and B. Kaiser and R. Ashley and E. Breedt and V. Dhillon and N. G. Fusillo and P. Kerry and D. Sahman},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2018},
  volume={477},
  pages={5646-5656}
}
We present the discovery of SDSS J135154.46−064309.0, a short-period variable observed using 30-mincadence photometry in K2 Campaign 6. Follow-up spectroscopy and high-speed photometry support a classification as a new member of the rare class of ultracompact accreting binaries known as AM CVn stars. The spectroscopic orbital period of 15.65 ± 0.12 min makes this system the fourth-shortest-period AM CVn known, and the second system of this type to be discovered by the Kepler spacecraft. The K2… Expand
8 Citations
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