{"id":"W3204944719","doi":"10.1093/mnras/stab2840","title":"The ultra-steep diffuse radio emission observed in the cool-core cluster RX J1720.1+2638 with LOFAR at 54 MHz","year":2021,"lang":"en","type":"article","venue":"Monthly Notices of the Royal Astronomical Society","topic":"Radio Astronomy Observations and Technology","field":"Physics and Astronomy","cited_by":49,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"H2020 European Research Council; Office of Naval Research; DST-NRF Centre Of Excellence In Tree Health Biotechnology; U.S. Naval Research Laboratory; Science and Technology Facilities Council; Institut sur la Nutrition et les Aliments Fonctionnels; Gauss Centre for Supercomputing; Bundesministerium für Bildung und Forschung; ASTRON; California Department of Fish and Game; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Deutsche Forschungsgemeinschaft","keywords":"Physics; LOFAR; Astrophysics; Radio halo; Spectral index; Halo; Cluster (spacecraft); Radio spectrum; Galaxy cluster; Core (optical fiber); Surface brightness; Astronomy; Galaxy; Spectral line; Radio telescope; Optics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003670953,0.0003147049,0.0003859432,0.00001153058,0.0005850553,0.0001112095,0.001110827,0.0001243694,0.0000896081],"category_scores_gemma":[0.00002018617,0.0001606254,0.0004859852,0.0002475755,0.0005682843,0.0001158016,0.0002995567,0.0005954123,0.000008034171],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000148019,"about_ca_system_score_gemma":0.0001109231,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004064015,"about_ca_topic_score_gemma":0.0001675633,"domain_scores_codex":[0.9980533,0.0001744687,0.0005174326,0.0004365183,0.0002653745,0.000552953],"domain_scores_gemma":[0.9980614,0.0004657293,0.0003483253,0.000967452,0.00007758845,0.00007946787],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001620816,0.0005466823,0.7528827,0.0000178877,0.0003253852,4.757451e-7,0.001307802,0.2375239,0.0002087476,0.0008976429,0.003065875,0.003060899],"study_design_scores_gemma":[0.003886426,0.0001666011,0.7911501,0.0001066996,0.0002446523,2.314592e-7,0.00697921,0.1637395,0.00385968,0.0001943501,0.02915308,0.0005195173],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9937028,0.0001648703,0.0002284413,0.004758938,0.0001416322,0.0004435476,0.00006525213,0.00002369749,0.000470774],"genre_scores_gemma":[0.9967247,5.005256e-7,0.001817433,0.000101018,0.0001840019,0.00007875117,0.00005219105,0.00003013358,0.001011269],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0737844,"threshold_uncertainty_score":0.6550112,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01248802239339483,"score_gpt":0.2027581743079915,"score_spread":0.1902701519145966,"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."}}