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A map of the large day–night temperature gradient of a super-Earth exoplanet

Author

Listed:
  • Brice-Olivier Demory

    (Astrophysics Group, Cavendish Laboratory)

  • Michael Gillon

    (Institut d’Astrophysique et de Géophysique, Université of Liège)

  • Julien de Wit

    (Atmospheric and Planetary Sciences, Massachusetts Institute of Technology)

  • Nikku Madhusudhan

    (Institute of Astronomy, University of Cambridge)

  • Emeline Bolmont

    (NaXys, University of Namur)

  • Kevin Heng

    (University of Bern, Center for Space and Habitability)

  • Tiffany Kataria

    (Astrophysics Group, School of Physics, University of Exeter)

  • Nikole Lewis

    (Space Telescope Science Institute)

  • Renyu Hu

    (Jet Propulsion Laboratory, California Institute of Technology
    California Institute of Technology)

  • Jessica Krick

    (Spitzer Science Center, MS 220-6, California Institute of Technology)

  • Vlada Stamenković

    (Jet Propulsion Laboratory, California Institute of Technology
    California Institute of Technology)

  • Björn Benneke

    (California Institute of Technology)

  • Stephen Kane

    (San Francisco State University)

  • Didier Queloz

    (Astrophysics Group, Cavendish Laboratory)

Abstract

A longitudinal thermal brightness map of the super-Earth exoplanet 55 Cancri e reveals strong day–night temperature contrast, indicating inefficient heat redistribution consistent with 55 Cancri e either being devoid of atmosphere or having an optically thick atmosphere with heat recirculation confined to the planetary dayside.

Suggested Citation

  • Brice-Olivier Demory & Michael Gillon & Julien de Wit & Nikku Madhusudhan & Emeline Bolmont & Kevin Heng & Tiffany Kataria & Nikole Lewis & Renyu Hu & Jessica Krick & Vlada Stamenković & Björn Benneke, 2016. "A map of the large day–night temperature gradient of a super-Earth exoplanet," Nature, Nature, vol. 532(7598), pages 207-209, April.
    • Handle: RePEc:nat:nature:v:532:y:2016:i:7598:d:10.1038_nature17169
    DOI: 10.1038/nature17169
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