The ELODIE survey for northern extra-solar planets - II. A Jovian planet on a long-period orbit around GJ 777 A

@article{Naef2003TheES,
  title={The ELODIE survey for northern extra-solar planets - II. A Jovian planet on a long-period orbit around GJ 777 A},
  author={D. Naef and M. Mayor and S. Korzennik and D. Queloz and S. Udry and P. Nisenson and R. Noyes and T. Brown and J. Beuzit and C. Perrier and J. Sivan},
  journal={Astronomy and Astrophysics},
  year={2003},
  volume={410},
  pages={1051-1054}
}
We present radial-velocity measurements obtained with the ELODIE and AFOE spectrographs for GJ 777 A (HD 190360), a metal-rich ((Fe/H)= 0.25) nearby (d= 15.9 pc) star in a stellar binary system. A long-period low radial-velocity amplitude variation is detected revealing the presence of a Jovian planetary companion. Some of the orbital elements remain weakly constrained because of the smallness of the signal compared to our instrumental precision. The detailed orbital shape is therefore not well… Expand

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