{"id":"W4386536897","doi":"10.3847/2041-8213/acf2ec","title":"SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova","year":2023,"lang":"en","type":"article","venue":"The Astrophysical Journal Letters","topic":"Gamma-ray bursts and supernovae","field":"Physics and Astronomy","cited_by":107,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Planetary Science Division; Science and Technology Facilities Council; Science Mission Directorate; University of California Observatories; Smithsonian Astrophysical Observatory; University of Illinois at Urbana-Champaign; University of Edinburgh; Max-Planck-Institut für Astronomie; Gordon and Betty Moore Foundation; Queen's University Belfast; Eötvös Loránd Tudományegyetem; European Commission; Australian Research Council; Space Telescope Science Institute; Villum Fonden; National Central University; Nuclear Safety and Security Commission; Heising-Simons Foundation; Los Alamos National Laboratory; Johns Hopkins University; Queen's University; National Science and Technology Council; University of California, Santa Cruz; National Centre for Supercomputing Applications; National Aeronautics and Space Administration; Deutsche Forschungsgemeinschaft; David and Lucile Packard Foundation; Grand Équipement National De Calcul Intensif; Durham University; Smithsonian Institution; National Science Foundation","keywords":"Physics; Light curve; Astrophysics; Supernova; Metallicity; Stars; Ejecta; Type II supernova","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00008931203,0.0003625758,0.0002359333,0.0004369038,0.0003520133,0.0002994013,0.0002347957,0.0003635369,0.001291474],"category_scores_gemma":[0.0001260866,0.0001007677,0.0003886383,0.0002339716,0.0001384925,0.00014495,0.0002695133,0.0001769691,0.000273013],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000647697,"about_ca_system_score_gemma":0.00008907328,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02171144,"about_ca_topic_score_gemma":0.02622097,"domain_scores_codex":[0.9999619,0.000002541332,0.000001502227,0.00001302653,0.000007304187,0.00001370822],"domain_scores_gemma":[0.9999169,0.000007248327,0.00002552776,0.000007824667,0.000005355107,0.00003711279],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001089935,0.0001175357,0.9096096,0.00003884759,0.0001499223,0.004071561,0.0003962574,0.004845022,0.06886604,0.0003565421,0.001076797,0.009382066],"study_design_scores_gemma":[0.00001426224,0.0001346851,0.9909525,0.000003412035,0.00001554034,0.0006251101,0.00008960417,0.00456064,0.002740807,0.0000694464,0.0007861201,0.000007816261],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993547,0.00002557502,0.00008274525,0.000009140254,0.000001304854,0.000002791856,0.0001879565,0.00002235137,0.0003135988],"genre_scores_gemma":[0.9992243,0.00001399782,0.0001317798,0.000007040964,0.000001752544,0.000002026522,0.0004502755,0.0000038387,0.0001649999],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02171144,"threshold_uncertainty_score":0.04317015,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01030409243782566,"score_gpt":0.2286746026774094,"score_spread":0.2183705102395838,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}