{"paper":{"title":"SN 2017dio: a type-Ic supernova exploding in a hydrogen-rich circumstellar medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Aleksandra Hamanowicz, Andrea Melandri, Andrea Pastorello, Ari Heinze, Armin Rest, Auni Somero, Avishay Gal-Yam, Brian Stalder, Christa Gall, Christopher J. Ashall, Claes Fransson, Claudia P. Gutierrez, Cosimo Inserra, David R. Young, Enrico Cappellaro, Erkki Kankare, Francesco Taddia, Gaston Folatelli, Giorgos Leloudas, Giuliano Pignata, Hanindyo Kuncarayakti, Henry Weiland, Jesper Sollerman, John Tonry, Joseph P. Anderson, Keiichi Maeda, Ken W. Smith, Larry Denneau, Lina Tomasella, Lluis Galbany, Massimo Della Valle, Maximilian Stritzinger, Melina C. Bersten, Morgan Fraser, Nancy Elias-Rosa, Paolo Mazzali, Peter Lundqvist, Regis Cartier, Rupak Roy, Seppo Mattila, Simon J. Prentice, Stefano Benetti, Stephen J. Smartt, Thomas Reynolds, Tuomas Kangas","submitted_at":"2017-11-30T19:00:21Z","abstract_excerpt":"SN 2017dio shows both spectral characteristics of a type-Ic supernova (SN) and signs of a hydrogen-rich circumstellar medium (CSM). Prominent, narrow emission lines of H and He are superposed on the continuum. Subsequent evolution revealed that the SN ejecta are interacting with the CSM. The initial SN Ic identification was confirmed by removing the CSM interaction component from the spectrum and comparing with known SNe Ic, and reversely, adding a CSM interaction component to the spectra of known SNe Ic and comparing them to SN 2017dio. Excellent agreement was obtained with both procedures, r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00027","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":""},"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"}