{"id":"W2076433160","doi":"10.1086/321141","title":"The CFHT Open Star Cluster Survey. II. Deep CCD Photometry of the Old Open Star Cluster NGC 6819","year":2001,"lang":"en","type":"article","venue":"The Astronomical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":95,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Open cluster; Photometry (optics); Cluster (spacecraft); Star (game theory); Star cluster; Stars; Telescope","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":[0.0004811315,0.0002965723,0.0002544296,0.004452018,0.000665266,0.0005068484,0.000357005,0.0003188833,0.004691538],"category_scores_gemma":[0.0006222391,0.000191518,0.0001604739,0.002426147,0.0002762735,0.0005584807,0.0008067111,0.0003358899,0.001601124],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001326289,"about_ca_system_score_gemma":0.0006829053,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.09823067,"about_ca_topic_score_gemma":0.2112573,"domain_scores_codex":[0.9997556,0.00001403406,0.00001012912,0.00004346748,0.00007400381,0.0001028195],"domain_scores_gemma":[0.9992309,0.00004927937,0.0001505647,0.00007739887,0.000211471,0.00028042],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004946342,0.0001689619,0.7048837,0.0001641988,0.00005561663,0.00037529,0.0004763585,0.0004759695,0.01229969,0.001491734,0.123408,0.1557059],"study_design_scores_gemma":[0.00001699523,0.00002303566,0.98172,0.00001230306,0.00001315758,0.00009136325,0.00006481585,0.0001206212,0.0003576603,0.00008496304,0.01749027,0.000004803519],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8437188,0.002553468,0.001374595,0.001123137,0.0002690687,0.0002126751,0.1178441,0.0003401391,0.032564],"genre_scores_gemma":[0.8569382,0.001260535,0.003325606,0.0003983804,0.0003961043,0.0001005324,0.118044,0.0001231259,0.01941358],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09823067,"threshold_uncertainty_score":0.1953178,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02288254196922435,"score_gpt":0.267623977648099,"score_spread":0.2447414356788747,"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."}}