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An ultrahot gas-giant exoplanet with a stratosphere

Author

Listed:
  • Thomas M. Evans

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

  • David K. Sing

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

  • Tiffany Kataria

    (NASA Jet Propulsion Laboratory)

  • Jayesh Goyal

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

  • Nikolay Nikolov

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

  • Hannah R. Wakeford

    (NASA Goddard Space Flight Center)

  • Drake Deming

    (University of Maryland)

  • Mark S. Marley

    (NASA Ames Research Center)

  • David S. Amundsen

    (Columbia University
    NASA Goddard Institute for Space Studies)

  • Gilda E. Ballester

    (Lunar and Planetary Laboratory, University of Arizona)

  • Joanna K. Barstow

    (University College London)

  • Lotfi Ben-Jaffel

    (Sorbonne Universités, UPMC Université Paris 6 and CNRS, UMR 7095, Institut d’Astrophysique de Paris)

  • Vincent Bourrier

    (Observatoire de l’Université de Genève)

  • Lars A. Buchhave

    (Centre for Star and Planet Formation, Niels Bohr Institute and Natural History Museum, University of Copenhagen)

  • Ofer Cohen

    (Lowell Center for Space Science and Technology, University of Massachusetts)

  • David Ehrenreich

    (Observatoire de l’Université de Genève)

  • Antonio García Muñoz

    (Zentrum für Astronomie und Astrophysik, Technische Universität Berlin)

  • Gregory W. Henry

    (Center of Excellence in Information Systems, Tennessee State University)

  • Heather Knutson

    (California Institute of Technology)

  • Panayotis Lavvas

    (Groupe de Spectrométrie Moléculaire et Atmosphérique, UMR 7331, CNRS, Université de Reims Champagne-Ardenne)

  • Alain Lecavelier des Etangs

    (Sorbonne Universités, UPMC Université Paris 6 and CNRS, UMR 7095, Institut d’Astrophysique de Paris)

  • Nikole K. Lewis

    (Space Telescope Science Institute)

  • Mercedes López-Morales

    (Harvard-Smithsonian Center for Astrophysics)

  • Avi M. Mandell

    (NASA Goddard Space Flight Center)

  • Jorge Sanz-Forcada

    (Centro de Astrobiología (CSIC-INTA), ESAC Campus, Camino bajo del Castillo)

  • Pascal Tremblin

    (Maison de la Simulation, CEA, CNRS, Université Paris-Sud, UVSQ, Université Paris-Saclay)

  • Roxana Lupu

    (Bay Area Environmental Research Institute)

Abstract

Observations of the gas-giant exoplanet WASP-121b reveal near-infrared emission lines of water, suggesting that the planet has a stratosphere—a layer in the upper atmosphere where temperature increases with altitude.

Suggested Citation

  • Thomas M. Evans & David K. Sing & Tiffany Kataria & Jayesh Goyal & Nikolay Nikolov & Hannah R. Wakeford & Drake Deming & Mark S. Marley & David S. Amundsen & Gilda E. Ballester & Joanna K. Barstow & L, 2017. "An ultrahot gas-giant exoplanet with a stratosphere," Nature, Nature, vol. 548(7665), pages 58-61, August.
    • Handle: RePEc:nat:nature:v:548:y:2017:i:7665:d:10.1038_nature23266
    DOI: 10.1038/nature23266
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