{"id":"W4409178003","doi":"10.1038/s41550-025-02528-4","title":"A super-Chandrasekhar mass type Ia supernova progenitor at 49 pc set to detonate in 23 Gyr","year":2025,"lang":"en","type":"article","venue":"Nature Astronomy","topic":"Gamma-ray bursts and supernovae","field":"Physics and Astronomy","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; Science and Technology Facilities Council; Instituto de Astrofísica de Canarias; Stockholms Universitet; Turun Yliopisto; Agencia Estatal de Investigación; Universitetet i Oslo; Space Telescope Science Institute; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; European Regional Development Fund; Aarhus Universitet; European Commission; Háskóli Íslands; Royal Society; Ministerio de Ciencia, Innovación y Universidades; National Aeronautics and Space Administration","keywords":"Chandrasekhar limit; Supernova; Astrophysics; Physics; Set (abstract data type); Astronomy; White dwarf; Computer science; Stars","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":[0.00005670201,0.0001381617,0.0001370374,0.0001317143,0.0005486,0.0002833836,0.0001541511,0.0002114331,0.001770639],"category_scores_gemma":[0.0001310069,0.00008993231,0.0001672057,0.00008285509,0.0001407942,0.0001545112,0.0004085263,0.0002848013,0.0002495502],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002684516,"about_ca_system_score_gemma":0.0002278592,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003166313,"about_ca_topic_score_gemma":0.003623412,"domain_scores_codex":[0.9999785,0.000001325816,9.619696e-7,0.000006162636,0.000004158755,0.000008888898],"domain_scores_gemma":[0.9999393,0.000005851293,0.0000105982,0.000004688576,0.00000403273,0.00003545026],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0007309081,0.0003619959,0.8312301,0.00003711443,0.00009873896,0.01088339,0.0004608707,0.01289205,0.1204482,0.006336595,0.00117456,0.01534549],"study_design_scores_gemma":[0.00008678774,0.0009456617,0.8835444,0.00001705277,0.00007835229,0.007583816,0.001296118,0.04384796,0.04441638,0.002666133,0.01545887,0.00005829766],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988103,0.00002273908,0.000270374,0.00002979098,0.000006845823,0.000002369001,0.00005516074,0.00001560631,0.0007868618],"genre_scores_gemma":[0.9989504,0.00001098158,0.0001833514,0.000009650385,0.000001567296,0.000001539705,0.0001393428,0.000002470764,0.0007007414],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003166313,"threshold_uncertainty_score":0.0062958,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006966994968177117,"score_gpt":0.2666371503311442,"score_spread":0.2596701553629671,"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."}}