WFRF:(Edwards Tom)
Sökning: WFRF:(Edwards Tom) > SO2, silicate cloud...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04461naa a2200817 4500 | |
| 001 | oai:DiVA.org:su-227413 | |
| 003 | SwePub | |
| 008 | 240314s2024 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2274132 URI |
| 024 | 7 | a https://doi.org/10.1038/s41586-023-06849-02 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Dyrek, Achrène4 aut |
| 245 | 1 0 | a SO2, silicate clouds, but no CH4 detected in a warm Neptune |
| 264 | 1 | c 2024 |
| 338 | a print2 rdacarrier | |
| 520 | a WASP-107b is a warm (approximately 740 K) transiting planet with a Neptune-like mass of roughly 30.5 M⊕ and Jupiter-like radius of about 0.94 RJ (refs. 1,2), whose extended atmosphere is eroding3. Previous observations showed evidence for water vapour and a thick, high-altitude condensate layer in the atmosphere of WASP-107b (refs. 4,5). Recently, photochemically produced sulfur dioxide (SO2) was detected in the atmosphere of a hot (about 1,200 K) Saturn-mass planet from transmission spectroscopy near 4.05 μm (refs. 6,7), but for temperatures below about 1,000 K, sulfur is predicted to preferably form sulfur allotropes instead of SO2 (refs. 8,9,10). Here we report the 9σ detection of two fundamental vibration bands of SO2, at 7.35 μm and 8.69 μm, in the transmission spectrum of WASP-107b using the Mid-Infrared Instrument (MIRI) of JWST. This discovery establishes WASP-107b as the second irradiated exoplanet with confirmed photochemistry, extending the temperature range of exoplanets exhibiting detected photochemistry from about 1,200 K down to about 740 K. Furthermore, our spectral analysis reveals the presence of silicate clouds, which are strongly favoured (around 7σ) over simpler cloud set-ups. Furthermore, water is detected (around 12σ) but methane is not. These findings provide evidence of disequilibrium chemistry and indicate a dynamically active atmosphere with a super-solar metallicity. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 700 | 1 | a Min, Michiel4 aut |
| 700 | 1 | a Decin, Leen4 aut |
| 700 | 1 | a Bouwman, Jeroen4 aut |
| 700 | 1 | a Crouzet, Nicolas4 aut |
| 700 | 1 | a Mollière, Paul4 aut |
| 700 | 1 | a Lagage, Pierre-Olivier4 aut |
| 700 | 1 | a Konings, Thomas4 aut |
| 700 | 1 | a Tremblin, Pascal4 aut |
| 700 | 1 | a Güdel, Manuel4 aut |
| 700 | 1 | a Pye, John4 aut |
| 700 | 1 | a Waters, Rens4 aut |
| 700 | 1 | a Henning, Thomas4 aut |
| 700 | 1 | a Vandenbussche, Bart4 aut |
| 700 | 1 | a Martinez, Francisco Ardevol4 aut |
| 700 | 1 | a Argyriou, Ioannis4 aut |
| 700 | 1 | a Ducrot, Elsa4 aut |
| 700 | 1 | a Heinke, Linus4 aut |
| 700 | 1 | a van Looveren, Gwenael4 aut |
| 700 | 1 | a Absil, Olivier4 aut |
| 700 | 1 | a Barrado, David4 aut |
| 700 | 1 | a Baudoz, Pierre4 aut |
| 700 | 1 | a Boccaletti, Anthony4 aut |
| 700 | 1 | a Cossou, Christophe4 aut |
| 700 | 1 | a Coulais, Alain4 aut |
| 700 | 1 | a Edwards, Billy4 aut |
| 700 | 1 | a Gastaud, René4 aut |
| 700 | 1 | a Glasse, Alistair4 aut |
| 700 | 1 | a Glauser, Adrian4 aut |
| 700 | 1 | a Greene, Thomas P.4 aut |
| 700 | 1 | a Kendrew, Sarah4 aut |
| 700 | 1 | a Krause, Oliver4 aut |
| 700 | 1 | a Lahuis, Fred4 aut |
| 700 | 1 | a Mueller, Michael4 aut |
| 700 | 1 | a Olofsson, Göran,d 1944-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)olofsson |
| 700 | 1 | a Patapis, Polychronis4 aut |
| 700 | 1 | a Rouan, Daniel4 aut |
| 700 | 1 | a Royer, Pierre4 aut |
| 700 | 1 | a Scheithauer, Silvia4 aut |
| 700 | 1 | a Waldmann, Ingo4 aut |
| 700 | 1 | a Whiteford, Niall4 aut |
| 700 | 1 | a Colina, Luis4 aut |
| 700 | 1 | a van Dishoeck, Ewine F.4 aut |
| 700 | 1 | a Östlin, Göran,d 1968-u Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)ostlin |
| 700 | 1 | a Ray, Tom P.4 aut |
| 700 | 1 | a Wright, Gillian4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för astronomi4 org |
| 773 | 0 | t Natureg 625, s. 51-54q 625<51-54x 0028-0836x 1476-4687 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-227413 |
| 856 | 4 8 | u https://doi.org/10.1038/s41586-023-06849-0 |
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