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Showing 1–8 of 8 results
Advanced filters: Author: Vincent Bourrier Clear advanced filters

  • Ultra-hot Jupiters provide a unique window into atmospheric processes and this in-depth study enables integrated global snapshots of the atmosphere and more accurate identification of flow patterns, thus allowing for better comparison to models.

    • Julia V. Seidel
    • Bibiana Prinoth
    • Francesco A. Pepe
    Research
    Nature
    Volume: 639, P: 902-908

  • Absorption lines of iron in the dayside atmosphere of an ultrahot giant exoplanet disappear after travelling across the nightside, showing that the iron has condensed during its travel.

    • David Ehrenreich
    • Christophe Lovis
    • Filippo Zerbi
    Research
    Nature
    Volume: 580, P: 597-601

  • Hubble observations of the TRAPPIST-1 system exclude the presence of H2-dominated cloud-free atmospheres for the three planets within or around the system’s habitable zone. This result supports the hypothesis that these planets are terrestrial in nature.

    • Julien de Wit
    • Hannah R. Wakeford
    • Amaury H. M. J. Triaud
    Research
    Nature Astronomy
    Volume: 2, P: 214-219

  • Three planets orbit the Sun-like star ν2 Lupi. CHEOPS data show that all of them are transiting and show remarkable diversity. In particular, dry and gas-poor inner planet b has experienced extensive atmospheric loss, while planets c and d are water rich and have a small gaseous envelope of primordial origin.

    • Laetitia Delrez
    • David Ehrenreich
    • Nicholas A. Walton
    Research
    Nature Astronomy
    Volume: 5, P: 775-787

  • 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.

    • Thomas M. Evans
    • David K. Sing
    • Roxana Lupu
    Research
    Nature
    Volume: 548, P: 58-61

  • In the ultraviolet spectrum, the Neptune-mass exoplanet GJ 436b is shown to have transit depths far greater than those seen in the optical spectrum, indicating that it is surrounded and trailed by a large cloud composed mainly of hydrogen atoms.

    • David Ehrenreich
    • Vincent Bourrier
    • Alfred Vidal-Madjar
    Research
    Nature
    Volume: 522, P: 459-461