Five Planets Orbiting 55 Cancri

@article{Fischer2008FivePO,
  title={Five Planets Orbiting 55 Cancri},
  author={D. Fischer and G. Marcy and R. Butler and S. Vogt and G. Laughlin and G. Henry and David Abouav and K. M. G. Peek and J. Wright and J. Johnson and C. Mccarthy and H. Isaacson},
  journal={The Astrophysical Journal},
  year={2008},
  volume={675},
  pages={790-801}
}
  • D. Fischer, G. Marcy, +9 authors H. Isaacson
  • Published 2008
  • Physics
  • The Astrophysical Journal
  • Wereport18yearsof Dopplershiftmeasurementsof anearbystar,55Cancri,thatexhibitsstrongevidenceforfive orbiting planets. The four previously reported planets are strongly confirmed here. Afifth planet is presented, with an apparent orbital period of 260 days, placing it 0.78 AU from the star in the large empty zone between two other planets. The velocity wobble amplitude of 4.9 m s � 1 implies a minimum planet massM sini ¼ 45:7 M� . The orbital eccentricity is consistent with a circular orbit, but… CONTINUE READING
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