{"id":"W4280598936","doi":"10.3847/2041-8213/ac6672","title":"First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole","year":2022,"lang":"en","type":"article","venue":"The Astrophysical Journal Letters","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":530,"is_retracted":false,"has_abstract":true,"ca_institutions":"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; Astrophysics Division; Office of International Science and Engineering; National Key Research and Development Program of China; Japan Society for the Promotion of Science; Physics Division, National Center for Theoretical Sciences; National Nuclear Security Administration; Toray Science Foundation; East Asian Core Observatories Association; Institut Périmètre de physique théorique; Agencia Nacional de Investigación y Desarrollo; Ministry of Science and ICT, South Korea; Istituto Nazionale di Fisica Nucleare; National Astronomical Observatory of Japan; Universidad Nacional Autónoma de México; Recruitment Program of Global Experts; Shanghai Jiao Tong University; Academy of Finland; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; Ministry of Education, India; National Natural Science Foundation of China; National Research Foundation of Korea; Ministerio de Ciencia, Innovación y Universidades; Nuclear Safety and Security Commission; Generalitat Valenciana; National Science Foundation; China Postdoctoral Science Foundation; Instituto de Astrofísica de Andalucía; Deutsche Forschungsgemeinschaft; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Chinese Academy of Sciences; Academia Sinica; Junta de Andalucía; Universiteit van Amsterdam; Natural Sciences and Engineering Research Council of Canada; Netherlands eScience Center; European Southern Observatory; John Templeton Foundation; China Scholarship Council; Ministry of Education, Culture, Sports, Science and Technology; Radboud Universiteit; University of Pretoria; National Research Foundation; Compute Canada; Office of Science; Simons Foundation; Joint Institute for Computational Fundamental Science; University of Arizona; Smithsonian Institution; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; Vetenskapsrådet; U.S. Department of Energy; European Commission; Leverhulme Trust; National Radio Astronomy Observatory; Korea Astronomy and Space Science Institute; Science and Technology Facilities Council; Universiteit Leiden; Associated Universities; Space Telescope Science Institute; National Center for Theoretical Sciences; National Institutes of Natural Sciences; Government of Canada; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Ministerio de Ciencia e Innovación; Consejo Nacional de Ciencia y Tecnología; Consejo Superior de Investigaciones Científicas; University of Chicago; National Aeronautics and Space Administration; Gordon and Betty Moore Foundation; Flatiron Health","keywords":"Physics; Astrophysics; Event horizon; Galactic Center; Sagittarius A*; Very-long-baseline interferometry; Black hole (networking); Population; Radiative transfer; Accretion (finance); Astronomy; Event (particle physics); Stars","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001215794,0.0004777835,0.0002976845,0.0003687865,0.0003795649,0.0008139093,0.0006192818,0.0003395767,0.002380733],"category_scores_gemma":[0.001213662,0.0001248506,0.0009843239,0.0002397774,0.0002780744,0.0005002374,0.0004985009,0.0002549116,0.0006939033],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009246903,"about_ca_system_score_gemma":0.0003540562,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.016548,"about_ca_topic_score_gemma":0.01173259,"domain_scores_codex":[0.9996185,0.000132077,0.00001547655,0.0000825285,0.00009305416,0.00005824086],"domain_scores_gemma":[0.9990889,0.0002791345,0.0001258069,0.000210358,0.0001470032,0.000148941],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001495749,0.0005016786,0.6071566,0.0001504074,0.001027015,0.0006078173,0.0003981881,0.2846609,0.0268869,0.009180047,0.0114019,0.05653283],"study_design_scores_gemma":[0.0002469037,0.001011029,0.5326469,0.00003780246,0.0002185005,0.0004079128,0.0005708948,0.4259406,0.01902243,0.007127228,0.01266931,0.0001005032],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9825728,0.0001668294,0.004906182,0.0002558884,0.00003013057,0.00002157148,0.002603126,0.0007238265,0.008719668],"genre_scores_gemma":[0.9944745,0.00003514879,0.001740677,0.00005698968,0.00001134523,0.000005508424,0.002678763,0.00008188666,0.0009152405],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.016548,"threshold_uncertainty_score":0.03290337,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01908894174744916,"score_gpt":0.2195330143059572,"score_spread":0.200444072558508,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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