DISENTANGLING PLANETS AND STELLAR ACTIVITY FOR GLIESE 667C

@article{Robertson2014DISENTANGLINGPA,
  title={DISENTANGLING PLANETS AND STELLAR ACTIVITY FOR GLIESE 667C},
  author={Paul Robertson and Suvrath Mahadevan Department of Astronomy and Astrophysics and The Ohio State University and Center for ExoplanetsHabitable Worlds and The Penn State Astrobiology Research Center},
  journal={The Astrophysical Journal Letters},
  year={2014},
  volume={793}
}
Gliese 667C is an M1.5V star with a multi-planet system, including planet candidates in the habitable zone. The exact number of planets in the system is unclear, because the existing radial velocity (RV) measurements are known to contain contributions from stellar magnetic activity. Following our analysis of Gliese 581, we have analyzed the effect of stellar activity on the HARPS/HARPS-TERRA RVs of GJ 667C, finding a significant RV–activity correlation when using the width (FWHM) of the HARPS… 

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