A Planetary System around HD 155358: The Lowest Metallicity Planet Host Star

@article{Cochran2007APS,
  title={A Planetary System around HD 155358: The Lowest Metallicity Planet Host Star},
  author={W. Cochran and M. Endl and R. Wittenmyer and J. Bean},
  journal={The Astrophysical Journal},
  year={2007},
  volume={665},
  pages={1407-1412}
}
We report the detection of two planetary mass companions to the solar-type star HD 155358. The two planets have orbital periods of 195.0 and 530.3 days, with eccentricities of 0.11 and 0.18. The minimum masses for these planets are 0.89 and 0.50 MJ, respectively. The orbits are close enough to each other, and the planets are sufficiently massive, that the planets are gravitationally interacting with each other, with their eccentricities and arguments of periastron varying with periods of 2300… Expand

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