Corpus ID: 117660797

The 55 Cancri System: Fundamental Stellar Parameters, Habitable Zone Planet, and Super-Earth Diameter

@article{Braun2011The5C,
  title={The 55 Cancri System: Fundamental Stellar Parameters, Habitable Zone Planet, and Super-Earth Diameter},
  author={K. Braun and T. Boyajian and T. Brummelaar and G. Belle and S. Kane and D. Ciardi and M. L{\'o}pez-Morales and H. Mcalister and G. Schaefer and S. Ridgway and L. Sturmann and J. Sturmann and R. White and N. Turner and C. Farrington and P. J. G. NExScICaltech and G. State and Hubble Fellow and Eső and CSIC-IEECCIW-DTM and Char{\'a} and Noao},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2011}
}
The bright star 55 Cancri is known to host five planets, including a transiting super-Earth. We use the CHARA Array to directly determine the following of 55 Cnc's stellar astrophysical parameters: $R=0.943 \pm 0.010 R_{\odot}$, $T_{\rm EFF} = 5196 \pm 24$ K. Planet 55 Cnc f ($M \sin i = 0.155 M_{Jupiter}$) spends the majority of the duration of its elliptical orbit in the circumstellar habitable zone (0.67--1.32 AU) where, with moderate greenhouse heating, it could harbor liquid water. Our… Expand
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