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Showing 1–5 of 5 results
Advanced filters: Author: Prajwal Niraula Clear advanced filters

  • Benchmark testing of many opacity models of exoplanetary transmission spectra, simulating representative spectra to be obtained with the James Webb Space Telescope, highlights the presence of biases that would significantly reduce the accuracy on the retrieval of atmospheric parameters. Mitigation strategies are presented.

    • Prajwal Niraula
    • Julien de Wit
    • Roman V. Kochanov
    Research
    Nature Astronomy
    Volume: 6, P: 1287-1295

  • 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

  • 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