{"id":"W4205407960","doi":"10.3847/1538-4357/ac341e","title":"Spatially Resolved Stellar Spectroscopy of the Ultra-diffuse Galaxy Dragonfly 44. III. Evidence for an Unexpected Star Formation History under Conventional Galaxy Evolution Processes","year":2022,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Galaxy; Population; Physics; Astrophysics","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":[0.00009131392,0.0001315541,0.0001194205,0.0005045607,0.0002485266,0.0002234992,0.0002144313,0.0002219579,0.001337832],"category_scores_gemma":[0.0001619187,0.0001450204,0.0001130314,0.0002201321,0.0002125114,0.0001664481,0.0004266469,0.0002355368,0.0002257226],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000259859,"about_ca_system_score_gemma":0.00007158484,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002714956,"about_ca_topic_score_gemma":0.007006973,"domain_scores_codex":[0.9999433,0.000003387422,0.000001384312,0.00002107319,0.00001385003,0.00001702242],"domain_scores_gemma":[0.9998765,0.00001269038,0.0000253133,0.0000205897,0.00002071469,0.00004422021],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001909539,0.00008355294,0.6445669,0.00005515228,0.0001041127,0.0004991744,0.0005093599,0.0004352156,0.3306996,0.0005649293,0.001071705,0.02121931],"study_design_scores_gemma":[0.000005286519,0.00006872243,0.9891466,0.000004108269,0.00002543509,0.0004060062,0.0001530741,0.0004653803,0.007721066,0.0001162099,0.001881012,0.000007193341],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9983723,0.00006996078,0.000306747,0.00002691796,0.000002537534,0.000002482777,0.0001461784,0.00002226843,0.001050635],"genre_scores_gemma":[0.9983407,0.00003355513,0.0006996975,0.00003257856,0.000003415993,0.000003498312,0.0002812815,0.000006586402,0.0005986739],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002714956,"threshold_uncertainty_score":0.005398273,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02291720567547598,"score_gpt":0.2432145130195437,"score_spread":0.2202973073440678,"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."}}