{"id":"W3098724012","doi":"","title":"Evidence that the directly imaged planet HD 131399 Ab Is a Background Star","year":2017,"lang":"en","type":"article","venue":"eScholarship (California Digital Library)","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":"","keywords":"Physics; Proper motion; Astrophysics; Photometry (optics); Astrometry; Planet; Parallax; Stars; Astronomy; Radial velocity; Spectral energy distribution; Spectral line","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":[0.0001442454,0.0002131465,0.0001737089,0.0006284269,0.0007289919,0.0005387017,0.0002977949,0.0002994159,0.002473331],"category_scores_gemma":[0.0005148611,0.000129983,0.0001320772,0.0008570097,0.0004409931,0.0004129961,0.0005200764,0.000187338,0.0004709415],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003366712,"about_ca_system_score_gemma":0.0001837271,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004653836,"about_ca_topic_score_gemma":0.008374706,"domain_scores_codex":[0.9998301,0.000007699515,0.00001068632,0.00006769208,0.0000540263,0.00002973665],"domain_scores_gemma":[0.9995176,0.00006945874,0.0001756354,0.00006345496,0.00006116352,0.000112773],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00028625,0.00004535157,0.8809788,0.0001065391,0.00006268714,0.001418778,0.0003429517,0.00017633,0.1046163,0.001110945,0.0003583435,0.01049663],"study_design_scores_gemma":[0.0000133801,0.00009526632,0.9912804,0.00001238137,0.00003118255,0.00180668,0.0002275525,0.0003708475,0.00354362,0.0002916748,0.002321599,0.00000541822],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9955901,0.0001249554,0.0001646648,0.00002575857,0.000005754462,0.000002431574,0.0002073634,0.00001320165,0.003865744],"genre_scores_gemma":[0.9987851,0.00009102621,0.0002829549,0.00001829784,0.00001356943,0.000001562533,0.0004994418,0.000004778,0.0003033249],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004653836,"threshold_uncertainty_score":0.009253502,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0413184178737743,"score_gpt":0.2444615150933955,"score_spread":0.2031430972196212,"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."}}