{"id":"W4388843145","doi":"10.48550/arxiv.2311.10147","title":"The discovery of the faintest known Milky Way satellite using UNIONS","year":2023,"lang":"en","type":"preprint","venue":"arXiv (Cornell University)","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Centre National de la Recherche Scientifique; Canadian Space Agency; Nuclear Safety and Security Commission; National Astronomical Observatory of Japan; NASA Exoplanet Science Institute; National Aeronautics and Space Administration; California Institute of Technology; European Space Agency; W. M. Keck Foundation","keywords":"Physics; Velocity dispersion; Milky Way; Astrophysics; Stars; Radial velocity; Dispersion (optics); Astronomy; Population; Galaxy; Optics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003186177,0.0001870356,0.0001728009,0.001139628,0.0007740285,0.0009439812,0.000595947,0.0005467674,0.001204835],"category_scores_gemma":[0.0008922666,0.0001994106,0.0002382467,0.0005853578,0.0005819249,0.000871631,0.001346505,0.0003570711,0.0004529635],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004158603,"about_ca_system_score_gemma":0.000274842,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002528592,"about_ca_topic_score_gemma":0.005440346,"domain_scores_codex":[0.9997219,0.00001488657,0.00001286319,0.0001198719,0.0000769412,0.00005344311],"domain_scores_gemma":[0.999317,0.00007341832,0.0002939218,0.0001263425,0.00007104413,0.000118292],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003891052,0.00005983899,0.7986188,0.0001878535,0.00008588461,0.002133687,0.002678496,0.0004339909,0.08049668,0.005219658,0.002936726,0.1067592],"study_design_scores_gemma":[0.00002467019,0.000287032,0.854393,0.0001791428,0.0001141352,0.008015014,0.001605371,0.001828549,0.04046082,0.002460182,0.09058481,0.00004733328],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9903238,0.0007850813,0.001114864,0.0002092151,0.00002705293,0.000009015069,0.0004089769,0.00009294228,0.007028986],"genre_scores_gemma":[0.9939538,0.0004138642,0.002646374,0.0001759933,0.0000463936,0.000008539883,0.001093157,0.0000150098,0.001646844],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002528592,"threshold_uncertainty_score":0.005027771,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06869834763374236,"score_gpt":0.1972931175390786,"score_spread":0.1285947699053363,"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."}}