{"paper":{"title":"The Spectral Energy Distribution of Powerful Starburst Galaxies I: Modelling the Radio Continuum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A D Kapi\\'nska, A R Offringa, B For, B McKinley, B M Gaensler, C Wu, E Lenc, J Marvil, J Morgan, J R Callingham, K S Dwarakanath, L Hindson, L Staveley-Smith, M D Filipovic, M E Bell, M Johnston-Hollitt, N F H Tothill, N Hurley-Walker, N Seymour, P J Hancock, P Procopio, Q Zheng, R B Wayth, R H Cook, R M McDermid, R P Norris, T J Galvin","submitted_at":"2017-10-05T11:15:49Z","abstract_excerpt":"We have acquired radio continuum data between 70\\,MHz and 48\\,GHz for a sample of 19 southern starburst galaxies at moderate redshifts ($0.067 < z < 0.227$) with the aim of separating synchrotron and free-free emission components. Using a Bayesian framework we find the radio continuum is rarely characterised well by a single power law, instead often exhibiting low frequency turnovers below 500\\,MHz, steepening at mid-to-high frequencies, and a flattening at high frequencies where free-free emission begins to dominate over the synchrotron emission. These higher order curvature components may be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.01967","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"}