{"id":"W4381481357","doi":"10.1038/s41586-023-06064-x","title":"X-ray polarization evidence for a 200-year-old flare of Sgr A*","year":2023,"lang":"en","type":"article","venue":"Nature","topic":"Astrophysical Phenomena and Observations","field":"Physics and Astronomy","cited_by":32,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"Agencia Estatal de Investigación; Goddard Space Flight Center; Instituto de Astrofísica de Andalucía; Hong Kong Government; Marshall Space Flight Center; Istituto Nazionale di Astrofisica; Centre National de la Recherche Scientifique; Agenzia Spaziale Italiana; Centre National d’Etudes Spatiales; Istituto Nazionale di Fisica Nucleare; European Commission; Ministerio de Ciencia e Innovación; Smithsonian Institution; Université de Strasbourg; National Aeronautics and Space Administration","keywords":"Flare; Physics; Astrophysics; Polarization (electrochemistry); Astronomy; Geology; Chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002000049,0.0003169414,0.0002122918,0.0009347158,0.0006660494,0.0005148472,0.0003587585,0.001015613,0.002630002],"category_scores_gemma":[0.0003120503,0.000231722,0.0003244519,0.0006126927,0.0003446644,0.0003733256,0.0003899054,0.0006421755,0.0007107801],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003089961,"about_ca_system_score_gemma":0.0001115416,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002697234,"about_ca_topic_score_gemma":0.003226124,"domain_scores_codex":[0.9999454,0.000002936797,0.000005266234,0.00001771713,0.000008998726,0.00001971658],"domain_scores_gemma":[0.9996943,0.00005574982,0.00005801377,0.0000317925,0.00006833243,0.00009182917],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001213284,0.0003966027,0.7106297,0.0001104864,0.0002050138,0.03830056,0.0006356767,0.0003440786,0.2224531,0.001012338,0.005584308,0.01911473],"study_design_scores_gemma":[0.00001291589,0.0001585175,0.9876727,0.000007710116,0.00004412084,0.005897806,0.0001711431,0.0001587029,0.002278693,0.0001439287,0.003446195,0.000007378636],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9890866,0.0003960823,0.0003766803,0.0007081283,0.00009972414,0.00001986995,0.001134134,0.0000636564,0.008115112],"genre_scores_gemma":[0.9961491,0.0001186425,0.0003606343,0.0005663052,0.0001203088,0.000007946594,0.001234957,0.00001207641,0.001429956],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002697234,"threshold_uncertainty_score":0.008798182,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0233297533625612,"score_gpt":0.2933087780951965,"score_spread":0.2699790247326352,"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."}}