{"id":"W4393221670","doi":"10.3847/2041-8213/ad2df0","title":"First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring","year":2024,"lang":"en","type":"article","venue":"The Astrophysical Journal Letters","topic":"Astrophysics and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":103,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Lethbridge; Canadian Institute for Theoretical Astrophysics; University of Toronto; Perimeter Institute; University of Waterloo; Canadian Institute for Advanced Research; McGill University","funders":"Los Alamos National Laboratory; Oak Ridge National Laboratory; Army Research Office; High Energy Physics; National Key Research and Development Program of China; Agencia Estatal de Investigación; National Institutes of Natural Sciences; Japan Society for the Promotion of Science; National Nuclear Security Administration; Office of Science; Toray Science Foundation; Institut Périmètre de physique théorique; Agencia Nacional de Investigación y Desarrollo; Istituto Nazionale di Fisica Nucleare; Shanghai Jiao Tong University; Centre National de la Recherche Scientifique; Max-Planck-Gesellschaft; Generalitat Valenciana; National Science Foundation; China Postdoctoral Science Foundation; Deutsche Forschungsgemeinschaft; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Instituto de Astrofísica de Andalucía; Chinese Academy of Sciences; Fundación Bancaria Caixa d'Estalvis i Pensions de Barcelona; Academia Sinica; Junta de Andalucía; Universiteit van Amsterdam; European Southern Observatory; Netherlands eScience Center; John Templeton Foundation; China Scholarship Council; Ministry of Education, Culture, Sports, Science and Technology; Radboud Universiteit; National Research Foundation; Compute Canada; Joint Institute for Computational Fundamental Science; University of Arizona; Smithsonian Institution; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; European Commission; Leverhulme Trust; National Radio Astronomy Observatory; Fundação de Amparo à Pesquisa do Estado de São Paulo; Vetenskapsrådet; National Natural Science Foundation of China; U.S. Department of Energy; National Astronomical Observatory of Japan; Associated Universities; Consejo Superior de Investigaciones Científicas; University of Chicago; East Asian Core Observatories Association; Gordon and Betty Moore Foundation; Ministerio de Ciencia, Innovación y Universidades; National Aeronautics and Space Administration; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Ministerio de Ciencia e Innovación; Korea Astronomy and Space Science Institute; Science and Technology Facilities Council; Universiteit Leiden; Flatiron Health","keywords":"Event horizon; Sagittarius; Physics; Astronomy; Polarization (electrochemistry); Sagittarius A*; Telescope; Astrophysics; Horizon; Galactic Center; Stars; Chemistry; Milky Way","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001661715,0.0002023606,0.000204967,0.0000386748,0.0003758454,0.0001919332,0.0005629901,0.00001621006,0.00002390961],"category_scores_gemma":[0.000005281621,0.0001118843,0.0003522516,0.0003250156,0.0001517537,0.0001910398,0.0001622212,0.0006966495,0.00003646601],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006711592,"about_ca_system_score_gemma":0.00007052343,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00008247411,"about_ca_topic_score_gemma":5.840051e-7,"domain_scores_codex":[0.9985613,0.00009719993,0.0004005137,0.0002080396,0.0004039699,0.0003289884],"domain_scores_gemma":[0.9992087,0.00009186556,0.0002157418,0.0003578865,0.00004750448,0.00007823094],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0001690043,0.0002723812,0.0007675749,0.00003499393,0.000655635,0.00001377195,0.001221255,0.02808837,0.7887964,0.07834814,0.004741091,0.09689143],"study_design_scores_gemma":[0.01344067,0.004459471,0.4312443,0.007732547,0.003859542,0.0002144939,0.004995357,0.1192545,0.1429497,0.1509907,0.1149126,0.005946164],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8977374,0.0000500896,0.09212583,0.008656409,0.0006706736,0.0001596489,0.00005484973,0.0000203544,0.0005247503],"genre_scores_gemma":[0.9975302,0.000002209801,0.000371532,0.0001551899,0.001780195,0.0000057638,0.000006316001,0.00002992013,0.0001186513],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6458467,"threshold_uncertainty_score":0.4562511,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005708581801523478,"score_gpt":0.2063457176288307,"score_spread":0.2006371358273072,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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