A continuum from clear to cloudy hot-Jupiter exoplanets without primordial water depletion

David K. Sing (), Jonathan J. Fortney, Nikolay Nikolov, Hannah R. Wakeford, Tiffany Kataria, Thomas M. Evans, Suzanne Aigrain, Gilda E. Ballester, Adam S. Burrows, Drake Deming, Jean-Michel Désert, Neale P. Gibson, Gregory W. Henry, Catherine M. Huitson, Heather A. Knutson, Alain Lecavelier des Etangs, Frederic Pont, Adam P. Showman, Alfred Vidal-Madjar, Michael H. Williamson and Paul A. Wilson
Additional contact information
David K. Sing: Astrophysics Group, School of Physics, University of Exeter
Jonathan J. Fortney: University of California
Nikolay Nikolov: Astrophysics Group, School of Physics, University of Exeter
Hannah R. Wakeford: Astrophysics Group, School of Physics, University of Exeter
Tiffany Kataria: Astrophysics Group, School of Physics, University of Exeter
Thomas M. Evans: Astrophysics Group, School of Physics, University of Exeter
Suzanne Aigrain: University of Oxford
Gilda E. Ballester: Lunar and Planetary Laboratory, University of Arizona
Adam S. Burrows: Peyton Hall, Princeton University
Drake Deming: University of Maryland, College Park
Jean-Michel Désert: University of Colorado
Neale P. Gibson: European Southern Observatory
Gregory W. Henry: Center of Excellence in Information Systems, Tennessee State University
Catherine M. Huitson: University of Colorado
Heather A. Knutson: California Institute of Technology
Alain Lecavelier des Etangs: CNRS, Institut dAstrophysique de Paris, UMR 7095
Frederic Pont: Astrophysics Group, School of Physics, University of Exeter
Adam P. Showman: Lunar and Planetary Laboratory, University of Arizona
Alfred Vidal-Madjar: CNRS, Institut dAstrophysique de Paris, UMR 7095
Michael H. Williamson: Center of Excellence in Information Systems, Tennessee State University
Paul A. Wilson: CNRS, Institut dAstrophysique de Paris, UMR 7095

Nature, 2016, vol. 529, issue 7584, 59-62

Abstract: A spectroscopic comparison of ten hot-Jupiter exoplanets reveals that the difference between the planetary radius measured at optical and infrared wavelengths allows atmosphere types ranging from clear to cloudy to be distinguished; the difference in radius at a given wavelength correlates with the spectral strength of water at that wavelength, suggesting that haze obscures the signal from water.

Date: 2016
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DOI: 10.1038/nature16068

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