Confirmation of an exoplanet using the transit color signature: Kepler-418b, a blended giant planet in a multiplanet system

  title={Confirmation of an exoplanet using the transit color signature: Kepler-418b, a blended giant planet in a multiplanet system},
  author={Brandon Tingley and Hannu Parviainen and Davide Gandolfi and Hans J. Deeg and Enric Pall'e and P. Montanes Rodriguez and Felipe Murgas and Ricardo J. Alonso and Hans Bruntt and Malcolm Fridlund},
  journal={arXiv: Earth and Planetary Astrophysics},
We announce confirmation of Kepler-418b, one of two proposed planets in this system. This is the first confirmation of an exoplanet based primarily on the transit color signature technique. We used the Kepler public data archive combined with multicolor photometry from the Gran Telescopio de Canarias and radial velocity follow-up using FIES at the Nordic Optical Telescope for confirmation. We report a confident detection of a transit color signature that can only be explained by a compact… 

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