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Showing 1–7 of 7 results
Advanced filters: Author: M. Deleuil Clear advanced filters

  • Observations of six transiting planets around the bright nearby star HD 110067 show that they follow a chain of resonant orbits, with three of the planets inferring the presence of large hydrogen-dominated atmospheres.

    • R. Luque
    • H. P. Osborn
    • T. Zingales
    Research
    Nature
    Volume: 623, P: 932-937

  • Of the more than 400 known exoplanets, about 70 transit their central star, most in small orbits (with periods of around 1 day, for instance). Here, observations are reported of the transit of CoRoT-9b, which orbits with a period of 95.274 days, on a low eccentricity, around a solar-like star. Its relatively large periastron distance yields a 'temperate' photospheric temperature estimated to be between 250 and 430 K, and its interior composition is inferred to be consistent with those of Jupiter and Saturn.

    • H. J. Deeg
    • C. Moutou
    • G. Wuchterl
    Research
    Nature
    Volume: 464, P: 384-387

  • Observations of TOI-849b reveal a radius smaller than Neptune’s but a large mass of about 40 Earth masses, indicating that the planet is the remnant core of a gas giant.

    • David J. Armstrong
    • Théo A. Lopez
    • Zhuchang Zhan
    Research
    Nature
    Volume: 583, P: 39-42

  • 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

  • The abundance of metals in Mercury’s interior is unique among the rocky planets of the Solar System. The characterization of the ‘super-Mercury’ exoplanet presented in this paper will improve our understanding of how Mercury-like planets can form and evolve.

    • A. Santerne
    • B. Brugger
    • A. Vigan
    Research
    Nature Astronomy
    Volume: 2, P: 393-400