{"id":"W2977008301","doi":"10.3847/1538-4357/ab4269","title":"Constraints on the Galactic Inner Halo Assembly History from the Age Gradient of Blue Horizontal-branch Stars","year":2019,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria","funders":"","keywords":"Milky Way; Halo; Physics; Astrophysics; Galactic halo; Metallicity; Astronomy; Galaxy; Galaxy formation and evolution; Population; Stars","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":[0.0004323058,0.0001584522,0.0001828599,0.001567947,0.0002055495,0.0007689338,0.0002082747,0.0001761801,0.001065075],"category_scores_gemma":[0.001612447,0.0001264638,0.0002472088,0.0006335485,0.0002160827,0.0002979369,0.0005002836,0.0001343725,0.0003698512],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002007039,"about_ca_system_score_gemma":0.0001278417,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00396903,"about_ca_topic_score_gemma":0.005930774,"domain_scores_codex":[0.999855,0.0000251619,0.00001174631,0.00004021769,0.00003481172,0.00003289746],"domain_scores_gemma":[0.9987825,0.0002568528,0.0003718724,0.0001686842,0.000204582,0.0002156452],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006799425,0.000005251465,0.9864231,0.000008765118,0.00003593245,0.00002821385,0.00005929834,0.0004831364,0.008170542,0.00009497506,0.00004658688,0.004576205],"study_design_scores_gemma":[0.000001109517,0.00001113567,0.9978527,0.000003192979,0.00001025062,0.00003084518,0.00003856427,0.00104927,0.0007612496,0.00005043731,0.0001894934,0.000001791235],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990171,0.0001108366,0.0003040132,0.000006324431,7.173716e-7,8.047684e-7,0.0001951989,0.00000975382,0.0003552146],"genre_scores_gemma":[0.9992977,0.00004631724,0.0001655078,0.000003353706,0.000001850884,7.335257e-7,0.0004094815,0.000004079745,0.00007082459],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00396903,"threshold_uncertainty_score":0.007891893,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01353935319286558,"score_gpt":0.2050538669316843,"score_spread":0.1915145137388187,"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."}}