Early Release Science of the exoplanet WASP-39b with JWST NIRISS

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dc.contributor.authorFeinstein, Adina D.
dc.contributor.authorRadica, Michael
dc.contributor.authorWelbanks, Luis
dc.contributor.authorMurray, Catriona Anne
dc.contributor.authorOhno, Kazumasa
dc.contributor.authorCoulombe, Louis-Philippe
dc.contributor.authorEspinoza, Néstor
dc.contributor.authorBean, Jacob L.
dc.contributor.authorTeske, Johanna K.
dc.contributor.authorBenneke, Björn
dc.contributor.authorLine, Michael R.
dc.contributor.authorRustamkulov, Zafar
dc.contributor.authorSaba, Arianna
dc.contributor.authorTsiaras, Angelos
dc.contributor.authorBarstow, Joanna K.
dc.contributor.authorFortney, Jonathan J.
dc.contributor.authorGao, Peter
dc.contributor.authorKnutson, Heather A.
dc.contributor.authorMacDonald, Ryan J.
dc.contributor.authorMikal-Evans, Thomas
dc.contributor.authorRackham, Benjamin V.
dc.contributor.authorTaylor, Jake
dc.contributor.authorParmentier, Vivien
dc.contributor.authorBatalha, Natalie M.
dc.contributor.authorBerta-Thompson, Zachory K.
dc.contributor.authorCarter, Aarynn L.
dc.contributor.authorChangeat, Quentin
dc.contributor.authordos Santos, Leonardo A.
dc.contributor.authorGibson, Neale P.
dc.contributor.authorGoyal, Jayesh M.
dc.contributor.authorKreidberg, Laura
dc.contributor.authorLópez-Morales, Mercedes
dc.contributor.authorLothringer, Joshua D.
dc.contributor.authorMiguel, Yamila
dc.contributor.authorMolaverdikhani, Karan
dc.contributor.authorMoran, Sarah E.
dc.contributor.authorMorello, Giuseppe
dc.contributor.authorMukherjee, Sagnick
dc.contributor.authorSing, David K.
dc.contributor.authorStevenson, Kevin B.
dc.contributor.authorWakeford, Hannah R.
dc.contributor.authorAhrer, Eva-Maria
dc.contributor.authorAlam, Munazza K.
dc.contributor.authorAlderson, Lili
dc.contributor.authorAllen, Natalie H.
dc.contributor.authorBatalha, Natasha E.
dc.contributor.authorBell, Taylor J.
dc.contributor.authorBlecic, Jasmina
dc.contributor.authorBrande, Jonathan
dc.contributor.authorCaceres, Claudio
dc.contributor.authorCasewell S.L.
dc.contributor.authorChubb, Katy L.
dc.contributor.authorCrossfield, Ian J. M.
dc.contributor.authorCrouzet, Nicolas
dc.contributor.authorCubillos, Patricio E.
dc.contributor.authorDecin, Leen
dc.contributor.authorDésert, Jean-Michel
dc.contributor.authorHarrington, Joseph
dc.contributor.authorHeng, Kevin
dc.contributor.authorHenning, Thomas
dc.contributor.authorIro, Nicolas
dc.contributor.authorKempton, Eliza M.-R.
dc.contributor.authorKendrew, Sarah
dc.contributor.authorKirk, James
dc.contributor.authorKrick, Jessica
dc.contributor.authorLagage, Pierre-Olivier
dc.contributor.authorLendl, Monika
dc.contributor.authorMancini, Luigi
dc.contributor.authorMansfield, Megan
dc.contributor.authorMay E.M.
dc.contributor.authorMayne N.J.
dc.contributor.authorNikolov, Nikolay K.
dc.contributor.authorPalle, Enric
dc.contributor.authorPetit dit de la Roche, Dominique J. M.
dc.contributor.authorPiaulet, Caroline
dc.contributor.authorPowell, Diana
dc.contributor.authorRedfield, Seth
dc.contributor.authorRogers, Laura K.
dc.contributor.authorRoman, Michael T.
dc.contributor.authorRoy, Pierre-Alexis
dc.contributor.authorNixon, Matthew C.
dc.contributor.authorSchlawin, Everett
dc.contributor.authorTan, Xianyu
dc.contributor.authorTremblin P.
dc.contributor.authorTurner, Jake D.
dc.contributor.authorVenot, Olivia
dc.contributor.authorWaalkes, William C.
dc.contributor.authorWheatley, Peter J.
dc.contributor.authorZhang, Xi
dc.date.accessioned2024-09-16T20:29:37Z
dc.date.available2024-09-16T20:29:37Z
dc.date.issued2023-02
dc.descriptionIndexación: Scopus
dc.description.abstractThe Saturn-mass exoplanet WASP-39b has been the subject of extensive efforts to determine its atmospheric properties using transmission spectroscopy1–4. However, these efforts have been hampered by modelling degeneracies between composition and cloud properties that are caused by limited data quality5–9. Here we present the transmission spectrum of WASP-39b obtained using the Single-Object Slitless Spectroscopy (SOSS) mode of the Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument on the JWST. This spectrum spans 0.6–2.8 μm in wavelength and shows several water-absorption bands, the potassium resonance doublet and signatures of clouds. The precision and broad wavelength coverage of NIRISS/SOSS allows us to break model degeneracies between cloud properties and the atmospheric composition of WASP-39b, favouring a heavy-element enhancement (‘metallicity’) of about 10–30 times the solar value, a sub-solar carbon-to-oxygen (C/O) ratio and a solar-to-super-solar potassium-to-oxygen (K/O) ratio. The observations are also best explained by wavelength-dependent, non-grey clouds with inhomogeneous coverageof the planet’s terminator. © 2023, The Author(s).
dc.description.urihttps://www-nature-com.recursosbiblioteca.unab.cl/articles/s41586-022-05674-1
dc.identifier.citationNature. Volume 614, Issue 7949, Pages 670 - 675. 23 February 2023
dc.identifier.doi10.1038/s41586-022-05674-1
dc.identifier.issn0028-0836
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/60242
dc.language.isoen
dc.publisherNature Research
dc.rights.licenseCC BY 4.0 Attribution 4.0 International Deed
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectExtraterrestrial Environment
dc.subjectOxygen
dc.subjectPotassium
dc.subjectSpectrum Analysis
dc.subjectWater
dc.titleEarly Release Science of the exoplanet WASP-39b with JWST NIRISS
dc.typeArtículo
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