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http://hdl.handle.net/20.500.12386/32727
Titolo: | Organosulfur Compounds Formed by Sulfur Ion Bombardment of Astrophysical Ice Analogs: Implications for Moons, Comets, and Kuiper Belt Objects | Autori: | Ruf, Alexander Bouquet, Alexis Boduch, Philippe Schmitt-Kopplin, Philippe Vinogradoff, Vassilissa Duvernay, Fabrice URSO, Riccardo Giovanni Brunetto, Rosario Le Sergeant d'Hendecourt, Louis Mousis, Olivier Danger, Grégoire |
Data pubblicazione: | 2019 | Rivista: | THE ASTROPHYSICAL JOURNAL LETTERS | Numero: | 885 | Fascicolo: | 2 | Da pagina:: | L40 | Abstract: | Carbon, hydrogen, nitrogen, oxygen, and sulfur are the main elements involved in the solid-phase chemistry of various astrophysical environments. Among these elements, sulfur chemistry is probably the least well understood. We investigated whether sulfur ion bombardment within simple astrophysical ice analogs (originating from H<SUB>2</SUB>O:CH<SUB>3</SUB>OH:NH<SUB>3</SUB>, 2:1:1) could trigger the formation of complex organosulfur molecules. Over 1100 organosulfur (CHNOS) molecular formulas (12% of all assigned signals) were detected in resulting refractory residues within a broad mass range (from 100 to 900 amu, atomic mass unit). This finding indicates a diverse, rich and active sulfur chemistry that could be relevant for Kuiper Belt objects (KBO) ices, triggered by high-energy ion implantation. The putative presence of organosulfur compounds within KBO ices or on other icy bodies might influence our view on the search of habitability and biosignatures. | URI: | http://hdl.handle.net/20.500.12386/32727 | URL: | https://iopscience.iop.org/article/10.3847/2041-8213/ab4e9f https://api.elsevier.com/content/abstract/scopus_id/85075359381 |
ISSN: | 2041-8205 | DOI: | 10.3847/2041-8213/ab4e9f | Bibcode ADS: | 2019ApJ...885L..40R | Fulltext: | open |
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