{"id":"W2181359111","doi":"10.1126/science.aac7087","title":"Resolved magnetic-field structure and variability near the event horizon of Sagittarius A*","year":2015,"lang":"en","type":"article","venue":"Science","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":221,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of Waterloo","funders":"Japan Society for the Promotion of Science; Science and Technology Facilities Council; National Research Council Canada; Smithsonian Astrophysical Observatory; University of Tokyo; University of Waterloo; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Industry Canada; California Institute of Technology; Academia Sinica; National Aeronautics and Space Administration; Radboud Universiteit; Natural Sciences and Engineering Research Council of Canada; Institut Périmètre de physique théorique; Universiteit Leiden; Smithsonian Institution; National Astronomical Observatory of Japan; Alexander von Humboldt-Stiftung; Gordon and Betty Moore Foundation; Government of Canada; National Science Foundation","keywords":"Event horizon; Physics; Supermassive black hole; Astrophysics; Black hole (networking); Milky Way; Astronomy; Galaxy; Sagittarius A*; Horizon; Event (particle physics)","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":[0.0002204648,0.00005126611,0.00006631347,0.000008574818,0.0001799977,0.00005567782,0.0002073971,0.000008667381,0.00004408346],"category_scores_gemma":[0.00004546545,0.00003243633,0.00001678408,0.0002420593,0.0006177853,0.0001100805,0.0001010022,0.0000781251,0.000001867606],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00000925575,"about_ca_system_score_gemma":0.0001723134,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001497252,"about_ca_topic_score_gemma":0.000002389356,"domain_scores_codex":[0.9994265,0.00002185371,0.00009321487,0.0001465786,0.0001840474,0.0001277478],"domain_scores_gemma":[0.999508,0.00005268839,0.00003961055,0.0002278899,0.00009317374,0.00007862574],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00006566211,0.0002909466,0.2094927,0.00001781253,0.00002238017,5.323921e-7,0.005918369,0.004535965,0.08442272,0.3852663,0.0008065412,0.3091601],"study_design_scores_gemma":[0.0009248129,0.002071825,0.3733854,0.00002270078,0.00005534091,3.307574e-7,0.002057166,0.02134127,0.02428119,0.5667856,0.008673425,0.0004009749],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9924837,0.00001526868,0.005207295,0.0005096738,0.0000836088,0.0000908291,0.00001064031,0.000004340432,0.001594605],"genre_scores_gemma":[0.9984143,8.200377e-8,0.00144915,0.00002588165,0.00006302907,0.000002312086,9.76632e-7,0.000001825247,0.00004240404],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3087591,"threshold_uncertainty_score":0.2276256,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01173832771516198,"score_gpt":0.2408518605741375,"score_spread":0.2291135328589755,"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."}}