{"paper":{"title":"On the abiotic origin of dimethyl sulfide: discovery of DMS in the Interstellar Medium","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"\\'Alvaro L\\'opez-Gallifa, Andr\\'es Meg\\'ias, Antonio Mart\\'inez-Henares, Bel\\'en Tercero, Christian P. Endres, David San Andr\\'es, Izaskun Jim\\'enez-Serra, Jes\\'us Mart\\'in-Pintado, Laura Colzi, Miguel A. Requena-Torres, Miguel Sanz-Novo, Pablo de Vicente, Paola Caselli, Sergio Mart\\'in, Shaoshan Zeng, Valerio Lattanzi, V\\'ictor M. Rivilla","submitted_at":"2025-01-15T16:03:04Z","abstract_excerpt":"Following the discovery of dimethyl sulfide (CH$_3$SCH$_3$, DMS) signatures in comet 67P/Churyumov-Gerasimenko, we report the first detection of this organosulfur species in the interstellar medium, during the exploration of an ultradeep molecular line survey performed toward the Galactic Center molecular cloud G+0.693-0.027 with the Yebes 40$\\,$m and IRAM 30$\\,$m telescopes. We derive a molecular column density of $N$ = (2.6 $\\pm$ 0.3)$\\times$10$^{13}$ cm$^{-2}$, yielding a fractional abundance relative to H$_2$ of $\\sim$1.9$\\times$10$^{-10}$. This implies that DMS is a factor of $\\sim$1.6 ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.08892","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.08892/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}