{"id":"W4221122945","doi":"10.3847/1538-4357/ac4780","title":"A Carbon/Oxygen-dominated Atmosphere Days after Explosion for the “Super-Chandrasekhar” Type Ia SN 2020esm","year":2022,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Gamma-ray bursts and supernovae","field":"Physics and Astronomy","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Planetary Science Division; Science Mission Directorate; Smithsonian Astrophysical Observatory; University of Illinois at Urbana-Champaign; Agencia Nacional de Investigación y Desarrollo; Max-Planck-Gesellschaft; Queen's University; Gordon and Betty Moore Foundation; Queen's University Belfast; Max-Planck-Institut für Astronomie; University of Edinburgh; Durham University; Northwestern University; National Central University; Villum Fonden; Los Alamos National Laboratory; Johns Hopkins University; Nuclear Safety and Security Commission; Heising-Simons Foundation; Australian Research Council; Ministério da Ciência, Tecnologia, Inovações e Comunicações; Korea Astronomy and Space Science Institute; Space Telescope Science Institute; W. M. Keck Foundation; National Centre for Supercomputing Applications; Eötvös Loránd Tudományegyetem; European Commission; California Institute of Technology; National Aeronautics and Space Administration; David and Lucile Packard Foundation; Smithsonian Institution; National Science Foundation","keywords":"Physics; Supernova; Astrophysics; White dwarf; Chandrasekhar limit; Light curve; Spectral line; Ejecta; Stellar evolution; Stars; Astronomy","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":[0.0001043434,0.0001569958,0.0001081972,0.0003298542,0.0002194657,0.0002644435,0.0001249918,0.0001424981,0.0005981834],"category_scores_gemma":[0.0001495979,0.00008505556,0.0001291897,0.0001473195,0.0001144041,0.0001232699,0.0002005132,0.0002427128,0.0001634959],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001584549,"about_ca_system_score_gemma":0.00008625197,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001919079,"about_ca_topic_score_gemma":0.004046937,"domain_scores_codex":[0.9999726,0.000001725935,0.00000168541,0.000008912801,0.000006778277,0.000008282092],"domain_scores_gemma":[0.9998999,0.00000737605,0.00003256151,0.000007696462,0.00001308792,0.00003936218],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005726762,0.000124959,0.9048516,0.00002817636,0.00005122254,0.0008828774,0.0001527249,0.0004493998,0.08466811,0.000408436,0.0005390847,0.007270675],"study_design_scores_gemma":[0.000004745822,0.00008291464,0.9943792,0.000002675501,0.000008408974,0.0004074721,0.00006965201,0.0009484798,0.003378478,0.00008799112,0.0006259254,0.000004000104],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992391,0.0000352949,0.00007276151,0.00000938814,0.00000290137,0.000001265038,0.0001259653,0.000009875884,0.0005035051],"genre_scores_gemma":[0.9992513,0.00001705597,0.0001344137,0.000009095887,0.000003471446,0.000001145237,0.000401945,0.000003285138,0.0001781932],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001919079,"threshold_uncertainty_score":0.00381583,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01047678589049916,"score_gpt":0.2297675793646417,"score_spread":0.2192907934741425,"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."}}