{"id":"W4213123626","doi":"10.1051/0004-6361/202142778","title":"The discovery of a radio galaxy of at least 5 Mpc","year":2022,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":45,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"SLAC National Accelerator Laboratory; Los Alamos National Laboratory; Argonne National Laboratory; Planetary Science Division; High Energy Physics; Division of Astronomical Sciences; Science Mission Directorate; Smithsonian Astrophysical Observatory; College of Engineering, Michigan State University; Lawrence Berkeley National Laboratory; Jet Propulsion Laboratory; Office of Science; University of Illinois at Urbana-Champaign; Fermilab; Max-Planck-Institut für Astronomie; Eötvös Loránd Tudományegyetem; Observatoire de Paris, Université de Recherche Paris Sciences et Lettres; Ministerium für Innovation, Wissenschaft und Forschung des Landes Nordrhein-Westfalen; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Deutsche Forschungsgemeinschaft; Chinese Academy of Sciences; Université d'Orléans; Brookhaven National Laboratory; Centre National de la Recherche Scientifique; Max-Planck-Gesellschaft; Integrated Electronics Engineering Center, Binghamton University; Queen's University; University of Edinburgh; Bundesministerium für Bildung und Forschung; National Central University; Associated Universities; Space Telescope Science Institute; University of Sussex; University of Nottingham; University of Cambridge; Istituto Nazionale di Astrofisica; Durham University; Science and Technology Facilities Council; York University; University of Chicago; National Energy Research Scientific Computing Center; Carnegie Mellon University; University of Arizona; University of California, Los Angeles; University of Washington; Princeton University; Alfred P. Sloan Foundation; Johns Hopkins University; National Science Foundation; University of Michigan; Vanderbilt University; Yale University; U.S. Department of Energy; Smithsonian Institution; National Radio Astronomy Observatory; Harvard University; Ohio State University; Financiadora de Estudos e Projetos; University of Pennsylvania; University College London; National Aeronautics and Space Administration; Queen's University Belfast; Gordon and Betty Moore Foundation; California Institute of Technology; New Mexico State University; University of Portsmouth; Science Foundation Ireland","keywords":"Physics; Astrophysics; Galaxy; LOFAR; X-shaped radio galaxy; Luminosity; Supermassive black hole; Radio galaxy; Astronomy; Active galactic nucleus; Radio telescope","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004329041,0.0002489632,0.0001242617,0.0008499564,0.00035569,0.0006253628,0.0003082775,0.000424339,0.002249975],"category_scores_gemma":[0.001124799,0.00016436,0.0002641696,0.0004736619,0.000474728,0.0004090565,0.0006499713,0.000418166,0.0006597064],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003041643,"about_ca_system_score_gemma":0.0001800881,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001928502,"about_ca_topic_score_gemma":0.003085119,"domain_scores_codex":[0.9997863,0.00001906383,0.00001037703,0.0000854212,0.00005852706,0.00004032961],"domain_scores_gemma":[0.9986928,0.0001975031,0.0005329425,0.0001777726,0.0001607557,0.0002383392],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001984724,0.00004888607,0.8768508,0.0003873299,0.0002368212,0.002285764,0.0003739748,0.0007067777,0.07576795,0.001883953,0.003441348,0.03781799],"study_design_scores_gemma":[0.000006159509,0.00007633436,0.9811647,0.00003746815,0.00008617803,0.001569587,0.0001393919,0.0003994365,0.004034061,0.0003354493,0.01214028,0.00001093126],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9723445,0.003683742,0.008846384,0.0005864308,0.0001391411,0.00003270148,0.002183642,0.0007016338,0.01148196],"genre_scores_gemma":[0.9922903,0.0003024867,0.004508404,0.0002030542,0.00008021599,0.000007213328,0.001667174,0.0000263494,0.0009148557],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002249975,"threshold_uncertainty_score":0.007526934,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00454164214045564,"score_gpt":0.1780073492127234,"score_spread":0.1734657070722678,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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