{"id":"W6922017231","doi":"10.1051/0004-6361/202037493/pdf","title":"Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution","year":2020,"lang":"en","type":"article","venue":"Springer Link (Chiba Institute of Technology)","topic":"Astrophysics and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","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; China Scholarship Council; European Southern Observatory; Ministry of Education, Culture, Sports, Science and Technology; John Templeton Foundation; Ministerio de Economía y Competitividad; Natural Sciences and Engineering Research Council of Canada; National Nuclear Security Administration; Institut Périmètre de physique théorique; Recruitment Program of Global Experts; 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; 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":"Very-long-baseline interferometry; Blazar; Angular resolution (graph drawing); Jet (fluid); Telescope; Redshift; Quasar; Event (particle physics); Interferometry","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":[0.0001761111,0.0001406077,0.0001662527,0.0006904349,0.000276681,0.0002960048,0.0002402912,0.0001878655,0.002052354],"category_scores_gemma":[0.000214508,0.0001400862,0.0002178346,0.00037356,0.0001239035,0.0001438371,0.0002508592,0.0003446075,0.0004421491],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004433008,"about_ca_system_score_gemma":0.0002905118,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01119984,"about_ca_topic_score_gemma":0.02577341,"domain_scores_codex":[0.999898,0.000004830937,0.000002328524,0.00002289128,0.00003873803,0.0000331447],"domain_scores_gemma":[0.9998457,0.00001250468,0.00002858427,0.0000194116,0.00004199633,0.00005175064],"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":[0.000698179,0.0004376361,0.2441678,0.0002110624,0.0002847943,0.003120198,0.001170683,0.007326346,0.6637995,0.002185559,0.02068408,0.0559142],"study_design_scores_gemma":[0.00001972188,0.00003550565,0.980197,0.00001234345,0.0000349744,0.0005125173,0.0001074699,0.00710083,0.007365325,0.0001921658,0.004406212,0.00001587899],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9806112,0.0001939095,0.00279934,0.0001940553,0.00001934377,0.00003129036,0.004200406,0.0004946126,0.01145586],"genre_scores_gemma":[0.9871494,0.0001226095,0.005929613,0.00008321989,0.00003530486,0.00001741266,0.004704109,0.0001125948,0.001845725],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01119984,"threshold_uncertainty_score":0.02226931,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01455829137518226,"score_gpt":0.2176706726298627,"score_spread":0.2031123812546805,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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