Detection of visible light from the darkest world

  title={Detection of visible light from the darkest world},
  author={D. Kipping and D. Spiegel},
  journal={Monthly Notices of the Royal Astronomical Society: Letters},
  • D. Kipping, D. Spiegel
  • Published 2011
  • Physics
  • Monthly Notices of the Royal Astronomical Society: Letters
  • We present the detection of visible light from the planet TrES-2b, the darkest exoplanet currently known. By analysis of the orbital photometry from publicly available Kepler data (0.4–0.9 μm), we determine a day–night contrast amplitude of 6.5 ± 1.9 ppm (parts per million), constituting the lowest amplitude orbital phase variation discovered. The signal is detected to 3.7σ confidence and persists in six different methods of modelling the data and thus appears robust. In contrast, we are unable… CONTINUE READING
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