{"id":"W2982040332","doi":"10.3847/1538-3881/ab4da4","title":"An Updated Visual Orbit of the Directly Imaged Exoplanet 51 Eridani b and Prospects for a Dynamical Mass Measurement with Gaia","year":2019,"lang":"en","type":"article","venue":"The Astronomical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":24,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University; Herzberg Institute of Astrophysics; University of Victoria; Université de Montréal","funders":"Agence Nationale de la Recherche; National Aeronautics and Space Administration; U.S. Department of Energy","keywords":"Astrometry; Exoplanet; Orbit (dynamics); Planet; Planetary system; Proper motion; Orbital mechanics; Orbital elements; Celestial mechanics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0008776055,0.0002219308,0.0003158946,0.0006430571,0.0002879262,0.0006354697,0.0004746706,0.0003201514,0.0005007781],"category_scores_gemma":[0.001752022,0.0001592912,0.0002554515,0.0003778124,0.0002539503,0.000424416,0.0005216666,0.0003464834,0.0002526348],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006636091,"about_ca_system_score_gemma":0.000243659,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007243831,"about_ca_topic_score_gemma":0.01145391,"domain_scores_codex":[0.9996877,0.00007803176,0.00001724771,0.00008161943,0.00009913556,0.0000362439],"domain_scores_gemma":[0.9992453,0.0001038327,0.0001970632,0.0001860012,0.0001721971,0.00009558645],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000694115,0.0001015518,0.8775296,0.00007508398,0.0001001333,0.0005157204,0.000430779,0.007843041,0.0607762,0.00103929,0.001306599,0.04958797],"study_design_scores_gemma":[0.00004364182,0.0003816356,0.9609865,0.0000470796,0.0000671176,0.0004586367,0.0002733546,0.01926007,0.009342252,0.0003769791,0.008735052,0.0000275751],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9941416,0.0002622118,0.001851899,0.0002060895,0.00002961533,0.0000161177,0.0004638571,0.00009064503,0.002937984],"genre_scores_gemma":[0.9956852,0.0000517183,0.003177135,0.0000431224,0.0000156775,0.00000661692,0.0006538966,0.00001372205,0.0003529813],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007243831,"threshold_uncertainty_score":0.01440334,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007424465223444401,"score_gpt":0.2147494357113438,"score_spread":0.2073249704878994,"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."}}