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Showing 1–5 of 5 results
Advanced filters: Author: Silvano Desidera Clear advanced filters

  • Models predict that giant planets should easily form around solar-type stars, but most radial velocity surveys found a rather low number of them. Here, the authors show that Jupiter-like planets may be more common than previously found, at least in low density environments.

    • Raffaele Gratton
    • Dino Mesa
    • Elisabetta Rigliaco
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-14

  • A direct imaging study demonstrates the existence of a giant planet in a wide orbit around the high-mass b Centauri binary system, and uses measurements of the orbital properties to discuss its formation mechanism.

    • Markus Janson
    • Raffaele Gratton
    • Joseph C. Carson
    Research
    Nature
    Volume: 600, P: 231-234

  • Observations of the super-massive Neptune-sized transiting planet TOI-1853 b show a mass almost twice that of any other Neptune-sized planet known so far and a bulk density implying that heavy elements dominate its mass.

    • Luca Naponiello
    • Luigi Mancini
    • Tiziano Zingales
    Research
    Nature
    Volume: 622, P: 255-260

  • The signatures of water, carbon monoxide, hydrogen cyanide, methane, ammonia and acetylene are observed in the transmission spectrum of the hot Jupiter HD 209458b, with abundance ratios suggesting a super-solar carbon-to-oxygen ratio.

    • Paolo Giacobbe
    • Matteo Brogi
    • Andrea Tozzi
    Research
    Nature
    Volume: 592, P: 205-208