{"id":"W2619803631","doi":"10.3847/1538-3881/aa8a69","title":"Evidence That the Directly Imaged Planet HD 131399 Ab Is a Background Star","year":2017,"lang":"en","type":"article","venue":"The Astronomical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":37,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University; Canadian Institute for Theoretical Astrophysics; University of Toronto; Herzberg Institute of Astrophysics; University of Victoria; Université de Montréal","funders":"Science and Technology Facilities Council","keywords":"Proper motion; Astrometry; Photometry (optics); Parallax; Planet; Radial velocity; Spectral energy distribution; Wavelength; Magnitude (astronomy)","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":[0.0001645847,0.0001959819,0.0001823819,0.0007017176,0.0008095275,0.0006164258,0.0002872397,0.0003042537,0.003239229],"category_scores_gemma":[0.0005677985,0.000139234,0.0001286234,0.0008514175,0.000487229,0.000361589,0.0005339592,0.0001739855,0.0005593693],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003898227,"about_ca_system_score_gemma":0.0001850831,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005377261,"about_ca_topic_score_gemma":0.007964959,"domain_scores_codex":[0.9998018,0.000009916272,0.00001348591,0.00006866341,0.0000741088,0.00003200215],"domain_scores_gemma":[0.9994585,0.00007301545,0.0001765668,0.00007046232,0.00009002449,0.0001314437],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003129037,0.00004759919,0.8716611,0.00009141726,0.00006076939,0.001574032,0.0003386958,0.0001697669,0.1157336,0.001034232,0.0004661431,0.008509613],"study_design_scores_gemma":[0.00001385727,0.00007418371,0.990377,0.0000138377,0.00002937586,0.001669412,0.000266485,0.0003491976,0.004242963,0.0002523896,0.002705782,0.000005568822],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9951905,0.0001344948,0.0001525415,0.00002903844,0.000007982181,0.000002731103,0.0002499059,0.00001244074,0.004220462],"genre_scores_gemma":[0.9990891,0.00006623985,0.0001780771,0.00001433464,0.00001239933,0.000001290056,0.0003981098,0.000004107017,0.0002363469],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005377261,"threshold_uncertainty_score":0.01083624,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05859132056227311,"score_gpt":0.2784232557020001,"score_spread":0.219831935139727,"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."}}