{"id":"W4414599262","doi":"10.1051/0004-6361/202555770","title":"Discovery of a multi-planet system orbiting the aged Sun-like star HD 224018","year":2025,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Science and Technology Facilities Council; Science Mission Directorate; Smithsonian Astrophysical Observatory; Ames Research Center; Université de Genève; Queen's University; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; European Commission; University of St Andrews; Scottish Universities Physics Alliance; Queen's University Belfast; National Science Foundation; European Space Agency; National Aeronautics and Space Administration; UK Research and Innovation; Harvard University; Smithsonian Institution","keywords":"Planet; Transit (satellite); Radial velocity; Hot Jupiter; Planetary system; Orbital period; Orbit (dynamics); Orbital eccentricity; Orbital decay; Orbital elements","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":[0.0001949612,0.0001540768,0.0001939394,0.0004704982,0.0003788094,0.0004254356,0.0001897686,0.000315581,0.0008467707],"category_scores_gemma":[0.0003926125,0.00008955363,0.0001168947,0.0002730825,0.0003048963,0.0002776612,0.0005796338,0.0003524999,0.0003575871],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003419347,"about_ca_system_score_gemma":0.0002042841,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009284627,"about_ca_topic_score_gemma":0.001687145,"domain_scores_codex":[0.9998945,0.000009303304,0.000007407528,0.00004164461,0.00002906186,0.00001806441],"domain_scores_gemma":[0.9996855,0.0000285248,0.00009945124,0.00004497563,0.00004422555,0.00009725572],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004448648,0.0001054179,0.8300702,0.0002693246,0.00009399101,0.005630218,0.0008234065,0.0003555726,0.124525,0.001202826,0.003745331,0.03273392],"study_design_scores_gemma":[0.00001496911,0.0001916704,0.9766231,0.00002002871,0.0000490423,0.004628196,0.0003443001,0.0005853783,0.005208459,0.0004150546,0.01190625,0.00001358707],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9956685,0.0003770964,0.0006636931,0.0001409263,0.00003260105,0.00001316149,0.0004441642,0.0000576678,0.002602139],"genre_scores_gemma":[0.9971195,0.00008975944,0.00132441,0.00006761481,0.00003071456,0.000005116273,0.0008397404,0.000008620092,0.0005144146],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0009284627,"threshold_uncertainty_score":0.002832711,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0084121667717349,"score_gpt":0.2070664491780825,"score_spread":0.1986542824063476,"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."}}