{"paper":{"title":"A contemporaneous infrared flash from a long gamma-ray burst: an echo from the central engine","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Ghez, A. Parsons, A. Szentgyorgyi, C. B. Markwardt, C. H. Blake, C. McCabe, D. Hullinger, D. L. Starr, D. Palmer, E. E. Falco, E. E. Fenimore, F. Chaffee, G. Duchene, H. A. Krimm, J. R. Cummings, J. S. Bloom, J. Tueller, J. X. Prochaska, K. Hurley, K. McLean, K. Stapelfeldt, M. Kassis, M. Skrutskie, N. Gehrels, Q. Konopacky, R. Campbell, S. Barthelmy, S. Hornstein","submitted_at":"2005-03-23T21:00:02Z","abstract_excerpt":"The explosion that results in a cosmic gamma-ray burst (GRB) is thought to produce emission from two physical processes -- the activity of the central engine gives rise to the high-energy emission of the burst through internal shocking and the subsequent interaction of the flow with the external environment produces long-wavelength afterglow. While afterglow observations continue to refine our understanding of GRB progenitors and relativistic shocks, gamma-ray observations alone have not yielded a clear picture of the origin of the prompt emission nor details of the central engine. Only one co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0503508","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0503508/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"}