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Showing 1–10 of 10 results
Advanced filters: Author: A. Burdanov Clear advanced filters

  • Hiʻiaka is the largest moon of the distant dwarf planet Haumea. Here, the authors report the first multi-chord stellar occultations of Hiʻiaka, revealing its size, shape, and density, suggesting an origin from Haumea’s icy mantle.

    • Estela Fernández-Valenzuela
    • Jose Luis Ortiz
    • Dmitry Monin
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • Analysis of data from multiple instruments reveals a giant exoplanet in orbit around the 0.2-solar-mass star TOI-6894. The existence of this exoplanetary system challenges assumptions about planet formation and it is an excellent target for atmospheric characterization.

    • Edward M. Bryant
    • Andrés Jordán
    • Sebastián Zúñiga-Fernández
    ResearchOpen Access
    Nature Astronomy
    Volume: 9, P: 1031-1044

  • Combining the infrared capabilities of JWST and synthetic tracking techniques, the detection of some of the smallest asteroids ever observed in the main belt is reported; their large abundance reveals a population driven by collisional cascade.

    • Artem Y. Burdanov
    • Julien de Wit
    • Sebastian Zieba
    Research
    Nature
    Volume: 638, P: 74-78

  • Precise mass and radius measurements of giant planet WASP-193 b find an extremely low density of 0.059 ± 0.014 g cm−3. Current evolutionary models cannot fully explain such a low density, but the extended atmosphere makes WASP-193 b very suitable for high-precision characterization via JWST.

    • Khalid Barkaoui
    • Francisco J. Pozuelos
    • Richard G. West
    Research
    Nature Astronomy
    Volume: 8, P: 909-919

  • 2M1510 is an approximately 45-million-year-old triple system of brown dwarfs, two of which form a close binary in a 20-day orbit and have almost the same mass (3.82% and 3.75% of the mass of the Sun, respectively). Their physical parameters are in good agreement with evolutionary models except for luminosity, suggesting that we might be underestimating the masses of brown dwarfs and massive exoplanets by about 30%.

    • Amaury H. M. J. Triaud
    • Adam J. Burgasser
    • Michaël Gillon
    Research
    Nature Astronomy
    Volume: 4, P: 650-657

  • The JWST has the potential to increase our understanding of terrestrial exoplanets and their atmospheres, but the various signal contaminations need to be isolated and quantified. Using JWST Cycle 1 observations of TRAPPIST-1 as a benchmark, this Perspective proposes a series of steps to use future JWST data efficiently for this purpose.

    • Julien de Wit
    • René Doyon
    • Michael J. Way
    Reviews
    Nature Astronomy
    Volume: 8, P: 810-818