{"id":"W4302307877","doi":"10.3847/2041-8213/aca672","title":"Late-time H/He-poor Circumstellar Interaction in the Type Ic Supernova SN 2021ocs: An Exposed Oxygen–Magnesium Layer and Extreme Stripping of the Progenitor*","year":2022,"lang":"en","type":"preprint","venue":"The Astrophysical Journal Letters","topic":"Gamma-ray bursts and supernovae","field":"Physics and Astronomy","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Los Alamos National Laboratory; Science and Technology Facilities Council; Planetary Science Division; Science Mission Directorate; Smithsonian Astrophysical Observatory; Max-Planck-Institut für Astronomie; Agencia Nacional de Investigación y Desarrollo; Eötvös Loránd Tudományegyetem; Queen's University Belfast; Academy of Finland; Max-Planck-Gesellschaft; Space Telescope Science Institute; National Central University; Gordon and Betty Moore Foundation; Queen's University; Johns Hopkins University; National Aeronautics and Space Administration; Durham University; Smithsonian Institution; National Science Foundation","keywords":"Supernova; Physics; Astrophysics; Galaxy; Emission spectrum; Spectroscopy; Pair-instability supernova; Magnesium; Stars; Spectral line; Ejecta; Astronomy; Chemistry","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":[0.0001258049,0.0004368905,0.0002366359,0.0005120011,0.0003638434,0.0005045016,0.0002170408,0.0003309828,0.0009649364],"category_scores_gemma":[0.0002312885,0.0001420453,0.0002500768,0.00019816,0.0002677456,0.0001353215,0.0004284547,0.0002475579,0.0001797097],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000221662,"about_ca_system_score_gemma":0.0001377921,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003561387,"about_ca_topic_score_gemma":0.003740421,"domain_scores_codex":[0.9999456,0.000003814981,0.000004978772,0.00001549058,0.00001162092,0.00001844365],"domain_scores_gemma":[0.9998463,0.00001396569,0.00004250659,0.000008836575,0.00001462571,0.00007358924],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005240214,0.00008205212,0.9594531,0.00002597248,0.00005737767,0.02031119,0.0001162741,0.0001104317,0.01482459,0.0001171596,0.0001936356,0.004184208],"study_design_scores_gemma":[0.00001004411,0.0002291075,0.9692497,0.00001174774,0.00004425486,0.02700219,0.0003074467,0.0003823451,0.001726574,0.0001069167,0.0009223871,0.000007238876],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993049,0.0001353997,0.00005835907,0.00001764359,0.000005999048,0.000003863743,0.00003820243,0.000003192439,0.0004323846],"genre_scores_gemma":[0.9995607,0.00005968574,0.00004175619,0.00001460428,0.00001113969,0.000001364772,0.0001129733,0.0000019059,0.0001959353],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003561387,"threshold_uncertainty_score":0.00708127,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02806539105965009,"score_gpt":0.2439010935832926,"score_spread":0.2158357025236425,"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."}}