{"paper":{"title":"Asymmetries in core-collapse supernovae from maps of radioactive $^{44}$Ti in CassiopeiaA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Hornstrup, A. Zoglauer, B. W. Grefenstette, C. I. Ellinger, C. J. Hailey, C. L. Fryer, D. Barret, D. M. Alexander, D. R. Wik, D. Stern, F. A. Harrison, F. E. Christensen, H. An, H. Miyasaka, J. E. Koglin, K. Forster, K. K. Madsen, K. Mori, M. J. Pivovaroff, M. Perri, N. J. Westergaard, P. Giommi, P. H. Mao, S. E. Boggs, S. P. Reynolds, S Puccetti, T. Kitaguchi, V. M. Kaspi, V. Rana, W. W. Craig, W. W. Zhang","submitted_at":"2014-03-19T21:12:16Z","abstract_excerpt":"Asymmetry is required by most numerical simulations of stellar core-collapse explosions, but the form it takes differs significantly among models. The spatial distribution of radioactive 44Ti, synthesized in an exploding star near the boundary between material falling back onto the collapsing core and that ejected into the surrounding medium, directly probes the explosion asymmetries. CassiopeiaA is a young, nearby, core-collapse remnant from which 44Ti emission has previously been detected but not imaged. Asymmetries in the explosion have been indirectly inferred from a high ratio of observed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4978","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"}