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Showing 1–12 of 12 results
Advanced filters: Author: Sarah Kendrew Clear advanced filters

  • Observations from the JWST MIRI/LRS show the detection of SO2 spectral features in the 5–12-μm transmission spectrum of the hot, Saturn-mass exoplanet WASP-39b, suggesting that photochemistry is a key process in high-temperature exoplanet atmospheres.

    • Diana Powell
    • Adina D. Feinstein
    • Sergei N. Yurchenko
    ResearchOpen Access
    Nature
    Volume: 626, P: 979-983

  • Phase-resolved mid-infrared observations from JWST of the hot gas giant WASP-43b detect a day–night difference of 659 ± 19 K. Comparison with climate models shows that the observations are compatible with cloudy skies, at least on the nightside, and the lack of methane detection suggests the presence of disequilibrium chemistry.

    • Taylor J. Bell
    • Nicolas Crouzet
    • Sebastian Zieba
    ResearchOpen Access
    Nature Astronomy
    Volume: 8, P: 879-898

  • Time-series observations from the JWST of the transiting exoplanet WASP-39b show gaseous water in the planet’s atmosphere and place an upper limit on the abundance of methane.

    • Eva-Maria Ahrer
    • Kevin B. Stevenson
    • Xi Zhang
    ResearchOpen Access
    Nature
    Volume: 614, P: 653-658

  • The transmission spectrum of the exoplanet WASP-39b is obtained using observations from the Single-Object Slitless Spectroscopy mode of the Near Infrared Imager and Slitless Spectrograph instrument aboard the JWST.

    • Adina D. Feinstein
    • Michael Radica
    • Xi Zhang
    ResearchOpen Access
    Nature
    Volume: 614, P: 670-675

  • The dayside thermal emission spectrum and brightness temperature map of the ultra-hot Jupiter WASP-18b obtained from the NIRISS instrument on the JWST showed water emission features, an atmosphere consistent with solar metallicity, as well as a steep and symmetrical decrease in temperature towards the nightside.

    • Louis-Philippe Coulombe
    • Björn Benneke
    • Peter J. Wheatley
    ResearchOpen Access
    Nature
    Volume: 620, P: 292-298

  • Reengineering polyketide synthase encoding genes to produce analogues of natural products can be slow and low-yielding. Here the authors use accelerated evolution to recombine the gene cluster for rapid production of rapamycin-related products.

    • Aleksandra Wlodek
    • Steve G. Kendrew
    • Matthew A. Gregory
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-10

  • Simultaneous observations of TRAPPIST-1 b from JWST at 12.8 and 15 μm indicate that it is probably a bare rock with a mineral-rich surface. However, an alternative scenario with a CO2-rich atmosphere and hazes could also explain the observations.

    • Elsa Ducrot
    • Pierre-Olivier Lagage
    • Gillian Wright
    Research
    Nature Astronomy
    Volume: 9, P: 358-369

  • The JWST MIRI transmission spectrum of WASP-107b, a transiting planet with Neptune-like mass and Jupiter-like radius, shows observations of sulfur dioxide and silicate clouds but no methane in its atmosphere, providing evidence of disequilibrium chemistry and active photochemistry.

    • Achrène Dyrek
    • Michiel Min
    • Gillian Wright
    Research
    Nature
    Volume: 625, P: 51-54

  • Observations from the JWST MIRI showed the detection of 14NH3 and 15NH3 isotopologues in the atmosphere of a cool brown dwarf, along with a 14N/15N value consistent with star-like formation by gravitational collapse.

    • David Barrado
    • Paul Mollière
    • Gillian Wright
    Research
    Nature
    Volume: 624, P: 263-266

  • A spectroscopic thermal phase curve of GJ 1214b obtained with the JWST in the mid-infrared is reported and a planet with a high metallicity atmosphere blanketed by thick and reflective clouds or haze is found.

    • Eliza M.-R. Kempton
    • Michael Zhang
    • Peter McGill
    Research
    Nature
    Volume: 620, P: 67-71

  • Transmission spectroscopy observations from the James Webb Space Telescope show the detection of carbon dioxide in the atmosphere of the gas giant exoplanet WASP-39b.

    • Eva-Maria Ahrer
    • Lili Alderson
    • Sebastian Zieba
    ResearchOpen Access
    Nature
    Volume: 614, P: 649-652

  • The annual meeting of the European Astronomical Society took place in Lyon, France, in 2019, but in 2020 it was held online only due the COVID-19 pandemic. The carbon footprint of the virtual meeting was roughly 3,000 times smaller than the face-to-face one, providing encouragement for more ecologically minded conferencing.

    • Leonard Burtscher
    • Didier Barret
    • Mark J. McCaughrean
    Comments & Opinion
    Nature Astronomy
    Volume: 4, P: 823-825