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

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, Stephen Kane and Didier Queloz
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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
Jessica Krick: Spitzer Science Center, MS 220-6, California Institute of Technology
Vlada Stamenković: Jet Propulsion Laboratory, California Institute of Technology
Björn Benneke: California Institute of Technology
Stephen Kane: San Francisco State University
Didier Queloz: Astrophysics Group, Cavendish Laboratory

Nature, 2016, vol. 532, issue 7598, 207-209

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.

Date: 2016
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DOI: 10.1038/nature17169

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