{"id":"W2981095007","doi":"10.3847/2041-8213/ab8dc4","title":"A Tip of the Red Giant Branch Distance to the Dark Matter Deficient Galaxy NGC 1052-DF4 from Deep Hubble Space Telescope Data","year":2020,"lang":"en","type":"article","venue":"The Astrophysical Journal Letters","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":56,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; University of Toronto","funders":"","keywords":"Red-giant branch; Globular cluster; Hubble sequence; Galaxy; Elliptical galaxy; Surface brightness fluctuation; Dark matter; Absolute magnitude; Hubble space telescope; Dark galaxy","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":[0.0002538924,0.0002844575,0.000237677,0.001525828,0.0003060589,0.0005375681,0.0003805306,0.0003452262,0.00283706],"category_scores_gemma":[0.0005673781,0.0001305131,0.0004044117,0.0006611062,0.0001372492,0.0002241251,0.0003272862,0.0003185913,0.0005032281],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005703665,"about_ca_system_score_gemma":0.0002043927,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01797857,"about_ca_topic_score_gemma":0.02854256,"domain_scores_codex":[0.9998642,0.00001228306,0.000005665128,0.00004765362,0.00003556757,0.00003458837],"domain_scores_gemma":[0.9994598,0.00007137504,0.0001475641,0.00008422443,0.00009049684,0.0001464605],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001396506,0.00003850531,0.9653352,0.00004717031,0.0001167879,0.0002099761,0.0001239824,0.005887527,0.01588861,0.0005719473,0.002409941,0.009230713],"study_design_scores_gemma":[0.00000736928,0.00001975054,0.9927643,0.000005205761,0.00001648307,0.00006466986,0.000036902,0.004414983,0.001290981,0.0001166823,0.001256601,0.000006072839],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.991437,0.0000911793,0.0009502208,0.0000454463,0.000008824999,0.00000644643,0.004107856,0.0001759723,0.003177034],"genre_scores_gemma":[0.9943721,0.00002102123,0.000629386,0.00001498957,0.000004865462,0.000003570099,0.004475013,0.00001415607,0.0004648653],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01797857,"threshold_uncertainty_score":0.03574789,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009926400610902749,"score_gpt":0.2011293395350537,"score_spread":0.1912029389241509,"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."}}