Long-Period Objects in the Extrasolar Planetary Systems 47 Ursae Majoris and 14 Herculis*

@article{Wittenmyer2006LongPeriodOI,
  title={Long-Period Objects in the Extrasolar Planetary Systems 47 Ursae Majoris and 14 Herculis*},
  author={R. Wittenmyer and M. Endl and W. Cochran},
  journal={The Astrophysical Journal},
  year={2006},
  volume={654},
  pages={625-632}
}
  • R. Wittenmyer, M. Endl, W. Cochran
  • Published 2006
  • Physics
  • The Astrophysical Journal
  • The possible existence of additional long-period planetary-mass objects in the extrasolar planetary systems 47 UMa and 14 Her is investigated. We combine all available radial velocity data on these stars, spanning up to 18 yr. For the 47 UMa system, we show that while a second planet improves the fit to all available data, there is still substantial ambiguity as to the orbital parameters of the proposed planetary companion 47 UMa c. We also present new observations that clearly support a long… CONTINUE READING
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