Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM.

Autor: Rustamkulov Z; Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD, USA. zafar@jhu.edu., Sing DK; Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD, USA.; Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD, USA., Mukherjee S; Department of Astronomy and Astrophysics, University of California, Santa Cruz, Santa Cruz, CA, USA., May EM; Johns Hopkins APL, Laurel, MD, USA., Kirk J; Center for Astrophysics, Harvard and Smithsonian, Cambridge, MA, USA.; Department of Physics, Imperial College London, London, UK., Schlawin E; Steward Observatory, University of Arizona, Tucson, AZ, USA., Line MR; School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA., Piaulet C; Institute of Research on Exoplanets, Department of Physics, University of Montreal, Montreal, Québec, Canada., Carter AL; Department of Astronomy and Astrophysics, University of California, Santa Cruz, Santa Cruz, CA, USA., Batalha NE; NASA Ames Research Center, Moffett Field, CA, USA., Goyal JM; School of Earth and Planetary Sciences, National Institute of Science Education and Research (NISER), HBNI, Jatani, India., López-Morales M; Center for Astrophysics, Harvard and Smithsonian, Cambridge, MA, USA., Lothringer JD; Department of Physics, Utah Valley University, Orem, UT, USA., MacDonald RJ; Department of Astronomy, University of Michigan, Ann Arbor, MI, USA.; Department of Astronomy and Carl Sagan Institute, Cornell University, Ithaca, NY, USA., Moran SE; Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA., Stevenson KB; Johns Hopkins APL, Laurel, MD, USA., Wakeford HR; School of Physics, University of Bristol, HH Wills Physics Laboratory, Bristol, UK., Espinoza N; Space Telescope Science Institute, Baltimore, MD, USA., Bean JL; Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL, USA., Batalha NM; Department of Astronomy and Astrophysics, University of California, Santa Cruz, Santa Cruz, CA, USA., Benneke B; Institute of Research on Exoplanets, Department of Physics, University of Montreal, Montreal, Québec, Canada., Berta-Thompson ZK; Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO, USA., Crossfield IJM; Department of Physics and Astronomy, University of Kansas, Lawrence, KS, USA., Gao P; Earth and Planets Laboratory, Carnegie Institution of Washington, Washington, DC, USA., Kreidberg L; Max Planck Institute for Astronomy, Heidelberg, Germany., Powell DK; Harvard and Smithsonian, Center for Astrophysics, Cambridge, MA, USA., Cubillos PE; INAF - Astrophysics Observatory at Turin, Turin, Italy., Gibson NP; School of Physics, Trinity College Dublin, Dublin, Ireland., Leconte J; Laboratoire d'Astrophysique de Bordeaux, CNRS, Université de Bordeaux, Pessac, France., Molaverdikhani K; University Observatory Munich, Ludwig Maximilian University, Munich, Germany.; Exzellenzcluster Origins, Garching, Germany., Nikolov NK; Space Telescope Science Institute, Baltimore, MD, USA., Parmentier V; Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Nice, France.; Atmospheric, Oceanic and Planetary Physics, Department of Physics, University of Oxford, Oxford, UK., Roy P; Institute of Research on Exoplanets, Department of Physics, University of Montreal, Montreal, Québec, Canada., Taylor J; Department of Physics, University of Oxford, Oxford, UK., Turner JD; Department of Astronomy and Carl Sagan Institute, Cornell University, Ithaca, NY, USA., Wheatley PJ; Centre for Exoplanets and Habitability, University of Warwick, Coventry, UK.; Department of Physics, University of Warwick, Coventry, UK., Aggarwal K; Indian Institute of Technology, Indore, Indore, India., Ahrer E; Centre for Exoplanets and Habitability, University of Warwick, Coventry, UK.; Department of Physics, University of Warwick, Coventry, UK., Alam MK; Earth and Planets Laboratory, Carnegie Institution of Washington, Washington, DC, USA., Alderson L; School of Physics, University of Bristol, HH Wills Physics Laboratory, Bristol, UK., Allen NH; Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD, USA., Banerjee A; School of Physical Sciences, The Open University, Milton Keynes, UK., Barat S; Anton Pannekoek Institute for Astronomy, University of Amsterdam, Amsterdam, the Netherlands., Barrado D; Centre for Astrobiology (CSIC-INTA), European Space Astronomy Centre Campus, University of Maria de Maeztu, Madrid, Spain., Barstow JK; School of Physical Sciences, The Open University, Milton Keynes, UK., Bell TJ; BAER Institute, NASA Ames Research Center, Moffet Field, Mountain View, CA, USA., Blecic J; New York University Abu Dhabi, Abu Dhabi, United Arab Emirates.; Center for Astro, Particle and Planetary Physics (CAP3), New York University Abu Dhabi, Abu Dhabi, UAE., Brande J; Department of Physics and Astronomy, University of Kansas, Lawrence, KS, USA., Casewell S; School of Physics and Astronomy, University of Leicester, Leicester, UK., Changeat Q; Space Telescope Science Institute, Baltimore, MD, USA.; European Space Agency (ESA), ESA Baltimore Office, Baltimore, MD, USA.; Department of Physics and Astronomy, University College London, London, UK., Chubb KL; Centre for Exoplanet Science, University of St Andrews, St Andrews, UK., Crouzet N; Leiden Observatory, Leiden University, Leiden, the Netherlands., Daylan T; Department of Astrophysical Sciences, Princeton University, Princeton, NJ, USA., Decin L; Department of Physics and Astronomy, KU Leuven, Leuven, Belgium., Désert J; Anton Pannekoek Institute for Astronomy, University of Amsterdam, Amsterdam, the Netherlands., Mikal-Evans T; Max Planck Institute for Astronomy, Heidelberg, Germany., Feinstein AD; Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL, USA.; School of Physical Sciences, The Open University, Milton Keynes, UK., Flagg L; Department of Astronomy and Carl Sagan Institute, Cornell University, Ithaca, NY, USA., Fortney JJ; Department of Astronomy and Astrophysics, University of California, Santa Cruz, Santa Cruz, CA, USA., Harrington J; Planetary Science Group, Department of Physics and Florida Space Institute, University of Central Florida, Orlando, FL, USA., Heng K; University Observatory Munich, Ludwig Maximilian University, Munich, Germany., Hong Y; Department of Astronomy and Carl Sagan Institute, Cornell University, Ithaca, NY, USA., Hu R; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.; Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA., Iro N; Institute for Astrophysics, University of Vienna, Vienna, Austria., Kataria T; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA., Kempton EM; Department of Astronomy, University of Maryland, College Park, MD, USA., Krick J; California Institute of Technology, IPAC, Pasadena, CA, USA., Lendl M; Department of Astronomy, University of Geneva, Geneva, Switzerland., Lillo-Box J; Centre for Astrobiology (CSIC-INTA), European Space Astronomy Centre Campus, University of Maria de Maeztu, Madrid, Spain., Louca A; Leiden Observatory, Leiden University, Leiden, the Netherlands., Lustig-Yaeger J; Johns Hopkins APL, Laurel, MD, USA., Mancini L; Max Planck Institute for Astronomy, Heidelberg, Germany.; INAF - Astrophysics Observatory at Turin, Turin, Italy.; Department of Physics, University of Rome 'Tor Vergata', Rome, Italy., Mansfield M; Steward Observatory, University of Arizona, Tucson, AZ, USA., Mayne NJ; Department of Physics and Astronomy, Faculty of Environment, Science and Economy, University of Exeter, Exeter, UK., Miguel Y; Leiden Observatory, Leiden University, Leiden, the Netherlands.; SRON Netherlands Institute for Space Research, Leiden, the Netherlands., Morello G; Institute for Astrophysics of Canarias (IAC), La Laguna, Tenerife, Spain.; Department of Astrophysics, University of La Laguna, La Laguna, Tenerife, Spain.; INAF Äì Palermo Astronomical Observatory, Palermo, Italy., Ohno K; Department of Astronomy and Astrophysics, University of California, Santa Cruz, Santa Cruz, CA, USA., Palle E; Institute for Astrophysics of Canarias (IAC), La Laguna, Tenerife, Spain., Petit Dit de la Roche DJM; Department of Astronomy, University of Geneva, Geneva, Switzerland., Rackham BV; Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA.; Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA, USA., Radica M; Institute of Research on Exoplanets, Department of Physics, University of Montreal, Montreal, Québec, Canada., Ramos-Rosado L; Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD, USA., Redfield S; Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT, USA., Rogers LK; Institute of Astronomy, University of Cambridge, Cambridgeshire, UK., Shkolnik EL; School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA., Southworth J; Astrophysics Group, Keele University, Staffordshire, UK., Teske J; Earth and Planets Laboratory, Carnegie Institution of Washington, Washington, DC, USA., Tremblin P; UVSQ, CNRS, CEA, Maison de la Simulation, Université Paris-Saclay, Gif-sur-Yvette, France., Tucker GS; Department of Physics, Brown University, Providence, RI, USA., Venot O; Université de Paris Cité and Univ Paris Est Creteil, CNRS, LISA, Paris, France., Waalkes WC; Astrophysics and Planetary Sciences, University of Colorado Boulder, Boulder, CO, USA., Welbanks L; School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA., Zhang X; Department of Earth and Planetary Sciences, University of California Santa Cruz, Santa Cruz, CA, USA., Zieba S; Max Planck Institute for Astronomy, Heidelberg, Germany.; Leiden Observatory, Leiden University, Leiden, the Netherlands.
Jazyk: angličtina
Zdroj: Nature [Nature] 2023 Feb; Vol. 614 (7949), pp. 659-663. Date of Electronic Publication: 2023 Jan 09.
DOI: 10.1038/s41586-022-05677-y
Abstrakt: Transmission spectroscopy 1-3 of exoplanets has revealed signatures of water vapour, aerosols and alkali metals in a few dozen exoplanet atmospheres 4,5 . However, these previous inferences with the Hubble and Spitzer Space Telescopes were hindered by the observations' relatively narrow wavelength range and spectral resolving power, which precluded the unambiguous identification of other chemical species-in particular the primary carbon-bearing molecules 6,7 . Here we report a broad-wavelength 0.5-5.5 µm atmospheric transmission spectrum of WASP-39b 8 , a 1,200 K, roughly Saturn-mass, Jupiter-radius exoplanet, measured with the JWST NIRSpec's PRISM mode 9 as part of the JWST Transiting Exoplanet Community Early Release Science Team Program 10-12 . We robustly detect several chemical species at high significance, including Na (19σ), H 2 O (33σ), CO 2 (28σ) and CO (7σ). The non-detection of CH 4 , combined with a strong CO 2 feature, favours atmospheric models with a super-solar atmospheric metallicity. An unanticipated absorption feature at 4 µm is best explained by SO 2 (2.7σ), which could be a tracer of atmospheric photochemistry. These observations demonstrate JWST's sensitivity to a rich diversity of exoplanet compositions and chemical processes.
(© 2022. The Author(s).)
Databáze: MEDLINE
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