{"id":"W4416821274","doi":"10.1051/0004-6361/202556759","title":"Full-polarization millimeter wavelength variability of Sagittarius A <sup>*</sup> during the 2018 EHT campaign","year":2025,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; University of Toronto; Canadian Institute for Advanced Research; Trinity College; McGill University; Perimeter Institute; University of Waterloo; University of Lethbridge","funders":"Los Alamos National Laboratory; High Energy Physics; Office of International Science and Engineering; Agencia Estatal de Investigación; European Social Fund; Consejo Superior de Investigaciones Científicas; Fundação para a Ciência e a Tecnologia; Vetenskapsrådet; Fonds de recherche du Québec – Nature et technologies; Science and Technology Facilities Council; HORIZON EUROPE Framework Programme; Institut Périmètre de physique théorique; National Science and Technology Council; Agencia Nacional de Investigación y Desarrollo; Ministry of Science and ICT, South Korea; Junta de Andalucía; National Astronomical Observatory of Japan; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Ministerio de Ciencia e Innovación; China Scholarship Council; John Templeton Foundation; Ministry of Education, Culture, Sports, Science and Technology; Natural Sciences and Engineering Research Council of Canada; Ministry of Education, India; Max-Planck-Gesellschaft; Korea Astronomy and Space Science Institute; Generalitat Valenciana; Deutsche Forschungsgemeinschaft; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Japan Society for the Promotion of Science; Canada Research Chairs; Smithsonian Institution; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; National Science Foundation; China Postdoctoral Science Foundation; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Leverhulme Trust; National Radio Astronomy Observatory; Fundação de Amparo à Pesquisa do Estado de São Paulo; U.S. Department of Energy; Toray Science Foundation; University of Pretoria; Joint Institute for Computational Fundamental Science; National Center for Theoretical Sciences; East Asian Core Observatories Association; National Institutes of Natural Sciences; Government of Canada; Gordon and Betty Moore Foundation; CERN; National Aeronautics and Space Administration; Academia Sinica; Smithsonian Astrophysical Observatory; Flatiron Health","keywords":"Supermassive black hole; Millimeter; Flare; Light curve; Polarization (electrochemistry); Accretion (finance); Milky Way; Event horizon; Telescope; Polarization in astronomy","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":[0.0002250942,0.0001990193,0.0001453066,0.0006933249,0.0001758059,0.0005210681,0.0002013673,0.0001481696,0.0007095351],"category_scores_gemma":[0.0005504744,0.00007715832,0.0001764341,0.0005433262,0.0001334449,0.0002484714,0.0003299545,0.0002257459,0.0003008913],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000310859,"about_ca_system_score_gemma":0.00009404065,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00429352,"about_ca_topic_score_gemma":0.00638958,"domain_scores_codex":[0.9998842,0.000013925,0.000005935469,0.00003859149,0.00003082109,0.00002637766],"domain_scores_gemma":[0.9996332,0.00004159249,0.0001311319,0.00003978109,0.00009383073,0.00006050373],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005310648,0.00006663211,0.9264197,0.00004665763,0.0001820841,0.0004009769,0.0004256006,0.001731916,0.04001524,0.0003403157,0.005006073,0.02483376],"study_design_scores_gemma":[0.00000389587,0.00001746935,0.9964278,0.00000316079,0.00001452522,0.00007924464,0.00004903595,0.0009695484,0.0009103635,0.00003986541,0.001480351,0.000004716584],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962919,0.00005355194,0.0002827785,0.00007770917,0.000009932875,0.000004542799,0.002041927,0.00009702925,0.001140625],"genre_scores_gemma":[0.9946431,0.00003534215,0.0003320327,0.00003722938,0.00003519876,0.000009544698,0.004604941,0.00002702986,0.0002755957],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00429352,"threshold_uncertainty_score":0.008537054,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00579484354464868,"score_gpt":0.1985232535977806,"score_spread":0.192728410053132,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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