{"id":"W2792710849","doi":"10.3847/2041-8213/aab55a","title":"A High-precision Trigonometric Parallax to an Ancient Metal-poor Globular Cluster<sup>∗</sup>","year":2018,"lang":"en","type":"article","venue":"The Astrophysical Journal Letters","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":31,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria","funders":"","keywords":"Globular cluster; Parallax; Physics; Astrophysics; Wide Field Camera 3; Astronomy; Open cluster; Star cluster; Stars; Distance modulus; Stellar population; Population; Astrometry; Hubble space telescope; Star formation","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":[0.0004916047,0.0002363649,0.0002164045,0.001096437,0.0005732977,0.0006533375,0.0005157334,0.0003307434,0.003606556],"category_scores_gemma":[0.001412671,0.000144841,0.0001955633,0.001336232,0.0004713529,0.0003191945,0.0005485425,0.0004144808,0.002369518],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005155941,"about_ca_system_score_gemma":0.0002845014,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004147413,"about_ca_topic_score_gemma":0.006739526,"domain_scores_codex":[0.9997291,0.000020142,0.000007209259,0.0001433476,0.00007324601,0.00002695902],"domain_scores_gemma":[0.9983311,0.0001935055,0.0004571427,0.0004483307,0.0003555958,0.0002143251],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0006309311,0.0000626925,0.551265,0.0002117596,0.0001456194,0.0009069626,0.0008646926,0.004244668,0.2984351,0.00446845,0.01887527,0.1198889],"study_design_scores_gemma":[0.00002518238,0.0001046666,0.9405741,0.00002532674,0.00004594705,0.0007307541,0.0001668561,0.01157824,0.03225482,0.001388521,0.01306223,0.00004337511],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9482881,0.0005557974,0.03022825,0.0004023344,0.0001222179,0.00002727235,0.004914619,0.002778912,0.01268244],"genre_scores_gemma":[0.9852538,0.00006895188,0.01141279,0.00007374086,0.00004278206,0.00001069025,0.002080521,0.0001651582,0.0008916942],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004147413,"threshold_uncertainty_score":0.01206511,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01236515591728054,"score_gpt":0.2347579892620452,"score_spread":0.2223928333447646,"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."}}