{"paper":{"title":"Characterization of Thermal Infrared Dust Emission and Refinements to the Nucleus Properties of Centaur 29P/Schwassmann-Wachmann 1","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Carey M. Lisse, Charles A. Schambeau, Dominique Bockelee-Morvan, Laura M. Woodney, Maria Womack, Nalin H. Samarasinha, Yanga R. Fernandez","submitted_at":"2021-05-04T22:59:24Z","abstract_excerpt":"We present analyses of Spitzer observations of 29P/Schwassmann-Wachmann 1 using 16 $\\mu$m IRS \"blue\" peak-up (PU) and 24 $\\mu$m and 70 $\\mu$m MIPS images obtained on UT 2003 November 23 and 24 that characterize the Centaur's large-grain (10-100 $\\mu$m) dust coma during a time of non-outbursting \"quiescent\" activity. Estimates of $\\epsilon f \\rho$ for each band (16 $\\mu$m (2600 $\\pm$ 43 cm), 24 $\\mu$m (5800 $\\pm$ 63 cm), and 70 $\\mu$m (1800 $\\pm$ 900 cm)) follow the trend between nucleus size vs. $\\epsilon f \\rho$ that was observed for the WISE/NEOWISE comet ensemble. A coma model was used to d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01789","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/2105.01789/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"}