A Third Planet Orbiting HIP 14810

Details A Third Planet Orbiting HIP 14810 A Third Planet Orbiting HIP 14810

2009-06-02

arxiv.org/abs/0906.0567v1

Astrophys.J.699:L97-L101,2009

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

ApJL, accepted

Scientific paper

10.1088/0004-637X/699/2/L97

We present new precision radial velocities and a three-planet Keplerian orbit fit for the V = 8.5, G5 V star HIP 14810. We began observing this star at Keck Observatory as part of the N2K Planet Search Project. Wright et al. (2007) announced the inner two planets to this system, and subsequent observations have revealed the outer planet planet and the proper orbital solution for the middle planet. The planets have minimum masses of 3.9, 1.3, and 0.6 M_Jup and orbital periods of 6.67, 147.7, and 952 d, respectively. We have numerically integrated the family of orbital solutions consistent with the data and find that they are stable for at least 10^6 yr. Our photometric search shows that the inner planet does not transit.

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