{"id":"W3015473161","doi":"10.1051/0004-6361/202037493","title":"Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution","year":2020,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Astrophysics and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":105,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; Western University; Canadian Institute for Theoretical Astrophysics; Canadian Institute for Advanced Research; University of Toronto; Perimeter Institute; University of Waterloo","funders":"Los Alamos National Laboratory; Office of International Science and Engineering; National Key Research and Development Program of China; Comisión Nacional de Investigación Científica y Tecnológica; Japan Society for the Promotion of Science; Science and Technology Facilities Council; National Nuclear Security Administration; Institut Périmètre de physique théorique; Recruitment Program of Global Experts; Academy of Finland; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; National Natural Science Foundation of China; National Research Foundation of Korea; Ministerio de Ciencia, Innovación y Universidades; Nuclear Safety and Security Commission; Generalitat Valenciana; Natural Sciences and Engineering Research Council of Canada; China Scholarship Council; European Southern Observatory; Ministry of Education, Culture, Sports, Science and Technology; John Templeton Foundation; Ministerio de Economía y Competitividad; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Instituto de Astrofísica de Andalucía; Chinese Academy of Sciences; Academia Sinica; Vetenskapsrådet; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; Smithsonian Institution; U.S. Department of Energy; Kavli Foundation; European Commission; Leverhulme Trust; National Radio Astronomy Observatory; Harvard University; Toray Science Foundation; National Research Foundation; University of Arizona; Universidad Nacional Autónoma de México; Korea Astronomy and Space Science Institute; Associated Universities; Space Telescope Science Institute; National Science Foundation; Compute Canada; National Astronomical Observatory of Japan; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Consejo Nacional de Ciencia y Tecnología; University of Chicago; National Institutes of Natural Sciences; Government of Canada; National Aeronautics and Space Administration; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Russian Science Foundation; Gordon and Betty Moore Foundation","keywords":"Physics; Blazar; Astrophysics; Astronomy; Event (particle physics); Telescope; Quasar; Gamma ray; Galaxy","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0000674477,0.0003387843,0.000355241,0.00002445815,0.000321974,0.00005540902,0.0003998353,0.00002549475,0.0001092085],"category_scores_gemma":[0.000001501884,0.0002904353,0.0002190631,0.0001821476,0.0002450995,0.0003163927,0.0004342707,0.0003195928,0.00002041793],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004467407,"about_ca_system_score_gemma":0.00009869172,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005680378,"about_ca_topic_score_gemma":0.000001937031,"domain_scores_codex":[0.9983146,0.0000923878,0.0003884824,0.0005110347,0.000218589,0.0004749071],"domain_scores_gemma":[0.9989307,0.00002266008,0.0003175389,0.000422181,0.00006608702,0.0002408199],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002303291,0.0004337263,0.03840039,0.00004236644,0.0002288725,0.000001511497,0.001306823,0.002589789,0.1421143,0.01620949,0.0006298026,0.7978126],"study_design_scores_gemma":[0.01988316,0.006507625,0.1211723,0.0008084018,0.001766079,0.00001664856,0.02300728,0.05564954,0.3932076,0.05010478,0.3206292,0.007247312],"study_design_candidate":"design_other","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8489166,0.00007654016,0.1488197,0.0003830722,0.0001041349,0.0002913852,0.0002144556,0.00002274245,0.001171345],"genre_scores_gemma":[0.9921054,0.00000145687,0.006780094,0.00006709954,0.0007745711,0.00001887619,0.0001047195,0.00004009098,0.0001077175],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7905653,"threshold_uncertainty_score":0.9999548,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01204496104749785,"score_gpt":0.2013878019086698,"score_spread":0.189342840861172,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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