{"id":"W2030433459","doi":"10.1086/510114","title":"A Search for Nitrogen‐enhanced Metal‐poor Stars","year":2007,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":96,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dominion Astrophysical Observatory; Herzberg Institute of Astrophysics","funders":"","keywords":"Stars; Physics; Astrophysics; Asymptotic giant branch; K-type main-sequence star; Carbon fibers; Nitrogen; Metal; T Tauri star; Chemistry; Materials science; Composite material; Organic chemistry","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":[0.0007150406,0.0004049784,0.000542658,0.001987122,0.001204288,0.001036932,0.0007487872,0.0008977349,0.001471594],"category_scores_gemma":[0.0009116009,0.0002389612,0.0002426704,0.001457473,0.000631677,0.000638974,0.0008848301,0.0004100142,0.0008608482],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000283241,"about_ca_system_score_gemma":0.0004263288,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006469471,"about_ca_topic_score_gemma":0.001094089,"domain_scores_codex":[0.9994074,0.00004727939,0.0000458516,0.0002461862,0.0001683621,0.00008496529],"domain_scores_gemma":[0.9984011,0.0002267095,0.0005530654,0.0001541565,0.0001898182,0.0004750905],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002778148,0.00009716161,0.9358408,0.00008710125,0.00009538635,0.0007810331,0.0002972513,0.0002253953,0.04758538,0.0003756252,0.0003492781,0.01398784],"study_design_scores_gemma":[0.00002195455,0.0002188312,0.986485,0.0000195364,0.00005920346,0.002169918,0.0002842847,0.0007303648,0.007289897,0.0004261181,0.002282513,0.000012417],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9977394,0.0003984188,0.000382958,0.00007233863,0.000004311724,0.00001141099,0.000115865,0.00001931975,0.001255995],"genre_scores_gemma":[0.9979874,0.0001812249,0.0008191799,0.0001444375,0.00002669355,0.000009584693,0.0004573753,0.000007457529,0.000366653],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001987122,"threshold_uncertainty_score":0.004923046,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01757574564111731,"score_gpt":0.2654669031538292,"score_spread":0.2478911575127119,"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."}}