{"id":"W2142889681","doi":"10.1088/0004-637x/706/2/1353","title":"DETECTING CHANGING POLARIZATION STRUCTURES IN SAGITTARIUS A* WITH HIGH FREQUENCY VLBI","year":2009,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":49,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; University of Toronto","funders":"","keywords":"Very-long-baseline interferometry; Physics; Polarization (electrochemistry); Linear polarization; Supermassive black hole; Astrophysics; Polarimetry; Polarization in astronomy; Schwarzschild radius; Millimeter; Faraday effect; Galactic Center; Astronomy; Accretion (finance); Optics; Stars; Galaxy; Scattering; Magnetic field","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0000865712,0.0001943791,0.0002110938,0.0000903811,0.0004640756,0.000149324,0.0002690891,0.00002163138,0.00006036608],"category_scores_gemma":[0.000006284877,0.0001209442,0.00008543801,0.000520629,0.00006204916,0.00033292,0.0000302034,0.0006828764,0.00001113834],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000498052,"about_ca_system_score_gemma":0.00005318862,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007788515,"about_ca_topic_score_gemma":0.000002127545,"domain_scores_codex":[0.9987594,0.00007946947,0.0002518721,0.0001751296,0.0002686302,0.0004654919],"domain_scores_gemma":[0.9994022,0.00005086115,0.0001788181,0.0001901422,0.00007385473,0.0001041653],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.0001916098,0.0005700468,0.02680665,0.00000487662,0.0001769735,0.00003264449,0.002041474,0.07175071,0.2323022,0.4770363,0.000033381,0.1890532],"study_design_scores_gemma":[0.001937067,0.0007962345,0.7095486,0.00009692126,0.000102425,0.00000967997,0.001383146,0.00306217,0.004991627,0.2774881,0.00002448108,0.0005595421],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8813598,0.000007469132,0.1174503,0.0007055825,0.00006257935,0.0001068055,0.000004709956,0.00001831241,0.000284528],"genre_scores_gemma":[0.990715,2.470938e-7,0.007710772,0.0001295327,0.001369419,0.000004016469,0.000009860424,0.00001663549,0.00004447182],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6827419,"threshold_uncertainty_score":0.4931963,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006984260719240232,"score_gpt":0.2104150144502055,"score_spread":0.2034307537309652,"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."}}