{"id":"W3081939279","doi":"10.1103/physrevlett.125.101102","title":"GW190521: A Binary Black Hole Merger with a Total Mass of 150  M⊙","year":2020,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Pulsars and Gravitational Waves Research","field":"Physics and Astronomy","cited_by":1313,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Polytechnique Montréal","funders":"National Research, Development and Innovation Office; Instituto Nazionale di Fisica Nucleare; Australian Research Council; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Ministério da Ciência, Tecnologia e Inovação; Science and Technology Facilities Council; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal; National Research Foundation; Vlaamse regering; Natural Sciences and Engineering Research Council of Canada; Ministry of Education, India; Conseil Régional, Île-de-France; Fonds De La Recherche Scientifique - FNRS; Narodowe Centrum Nauki; Scottish Universities Physics Alliance; National Natural Science Foundation of China; National Research Foundation of Korea; Hungarian Scientific Research Fund; Generalitat de Catalunya; Generalitat Valenciana; Kavli Foundation; Agence Nationale de la Recherche; European Regional Development Fund; Max-Planck-Gesellschaft; ICTP South American Institute for Fundamental Research; Centre National de la Recherche Scientifique; Council of Scientific and Industrial Research, India; Abdus Salam International Centre for Theoretical Physics; Leverhulme Trust; European Commission; Research Grants Council, University Grants Committee; Conselleria de Innovación, Universidades, Ciencia y Sociedad Digital, Generalitat Valenciana; Russian Foundation for Basic Research; Canadian Institute for Advanced Research; Division of Human Resource Development; Ministero dello Sviluppo Economico; Centres de Recerca de Catalunya; Institut des Origines de Lyon; Research Corporation for Science Advancement; Russian Science Foundation; Scottish Funding Council; Agencia Estatal de Investigación; Govern de les Illes Balears; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Ministry of Science and Technology of the People's Republic of China; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Ontario Ministry of Economic Development and Innovation; Industry Canada; Science and Engineering Research Board; National Science Foundation; Royal Society; Fonds Wetenschappelijk Onderzoek","keywords":"Physics; LIGO; Astrophysics; Black hole (networking); Redshift; Luminosity; Gravitational wave; Binary number; Binary black hole; Computer science; Galaxy; Mathematics","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":[0.0001239329,0.0004884283,0.0002600761,0.0004484534,0.0006779834,0.0004440539,0.0003994404,0.0009159724,0.0126264],"category_scores_gemma":[0.0002752463,0.0002170687,0.0003141539,0.0005069204,0.0002240425,0.0004939394,0.0005432304,0.0005435326,0.002546436],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004480885,"about_ca_system_score_gemma":0.0001573078,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006182023,"about_ca_topic_score_gemma":0.01178114,"domain_scores_codex":[0.9999241,0.000005525883,0.000004029554,0.00002266284,0.0000182133,0.00002539706],"domain_scores_gemma":[0.9999152,0.00001191575,0.00001566044,0.00000751002,0.000006012268,0.00004372215],"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":[0.006015804,0.001295773,0.261687,0.0004727221,0.000396344,0.05614245,0.001465312,0.004482944,0.2928248,0.02078929,0.2695867,0.08484083],"study_design_scores_gemma":[0.0008443855,0.001476692,0.823954,0.00005837316,0.0001122983,0.01786765,0.0005224867,0.01526467,0.03887355,0.003383818,0.09749307,0.0001489835],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9337525,0.000227853,0.003901791,0.001453905,0.0003081819,0.000197961,0.01969161,0.002794122,0.03767209],"genre_scores_gemma":[0.9620593,0.00008551461,0.00330047,0.0003716892,0.00006834843,0.00004322591,0.02453072,0.0001642547,0.009376389],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0126264,"threshold_uncertainty_score":0.04223955,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01809079051875455,"score_gpt":0.2712219316704821,"score_spread":0.2531311411517276,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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