{"id":"W2927111475","doi":"10.1126/science.aat5330","title":"A planetesimal orbiting within the debris disc around a white dwarf star","year":2019,"lang":"en","type":"article","venue":"Science","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":167,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Ministerio de Asuntos Económicos y Transformación Digital, Gobierno de España; Jet Propulsion Laboratory; European Southern Observatory; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Natural Sciences and Engineering Research Council of Canada; Science and Technology Facilities Council; Instituto de Astrofísica de Canarias; European Regional Development Fund; California Institute of Technology; European Commission; Leverhulme Trust; European Space Agency; National Aeronautics and Space Administration","keywords":"Planetesimal; White dwarf; Debris; Planetary system; Debris disk; Planet; Stars","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":[0.0001411312,0.0001249054,0.00009684131,0.0002142999,0.001026164,0.0009273297,0.0002308188,0.0004871037,0.002118021],"category_scores_gemma":[0.000354732,0.00008563126,0.0001489283,0.0001275711,0.0005609128,0.0006439838,0.0004914901,0.0004458631,0.0005229334],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005955172,"about_ca_system_score_gemma":0.0002599918,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002129546,"about_ca_topic_score_gemma":0.002488404,"domain_scores_codex":[0.9999585,0.000004248373,0.000001434478,0.00001320957,0.0000149467,0.000007669166],"domain_scores_gemma":[0.9999281,0.00001912853,0.00001112816,0.00000852621,0.00001598209,0.00001716372],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0007034319,0.0001960407,0.1208673,0.00096505,0.0002736552,0.02140608,0.003184472,0.005672089,0.09215272,0.2214964,0.2767248,0.2563579],"study_design_scores_gemma":[0.00003985278,0.0002020936,0.06590229,0.0001737036,0.0001187001,0.006978756,0.001333501,0.003766211,0.02367762,0.02982931,0.8679382,0.00003978021],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6343545,0.0357383,0.01193098,0.04816098,0.01516839,0.00004557507,0.0006695132,0.0004725471,0.2534593],"genre_scores_gemma":[0.9401538,0.008649578,0.002055288,0.002008338,0.00207007,0.000004846833,0.0003848976,0.00004836686,0.04462479],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002129546,"threshold_uncertainty_score":0.007085502,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01072671656985006,"score_gpt":0.2254381163606325,"score_spread":0.2147113997907824,"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."}}