{"id":"W4409175648","doi":"10.3847/1538-4357/adb4f3","title":"Deep in the Fields of the Andromeda Halo: Discovery of the Pegasus VII Dwarf Galaxy in UNIONS","year":2025,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute; University of Waterloo; Herzberg Institute of Astrophysics; University of Victoria","funders":"National Astronomical Observatory of Japan; Centre National de la Recherche Scientifique; Canadian Space Agency; Nuclear Safety and Security Commission; Agencia Nacional de Investigación y Desarrollo; National Aeronautics and Space Administration; Ministério da Ciência, Tecnologia, Inovações e Comunicações; Korea Astronomy and Space Science Institute; National Science Foundation","keywords":"Physics; Andromeda; Andromeda Galaxy; Astronomy; Halo; Dwarf galaxy; Astrophysics; Galaxy; Dwarf spheroidal galaxy; Milky Way; Interacting galaxy","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.000118847,0.0001690735,0.0001371795,0.0007954271,0.0006419898,0.0006101421,0.0001902732,0.0001591074,0.001631546],"category_scores_gemma":[0.0002891771,0.00008217948,0.0001176813,0.0004918318,0.0005171115,0.0003199244,0.000988498,0.0002088978,0.0003322338],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004239595,"about_ca_system_score_gemma":0.0001721681,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00701801,"about_ca_topic_score_gemma":0.007761594,"domain_scores_codex":[0.9999212,0.000009299702,0.000002346683,0.00002104485,0.0000197844,0.00002630327],"domain_scores_gemma":[0.9998486,0.00001567665,0.000041075,0.00001787058,0.000009921351,0.00006678414],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000272492,0.00007207999,0.9012793,0.00005360965,0.00008045597,0.00199481,0.003691396,0.0002764017,0.03166128,0.003760214,0.001518128,0.0553399],"study_design_scores_gemma":[0.000005793335,0.00004415459,0.9877799,0.00001560023,0.00001630049,0.0009395032,0.001284982,0.0001570084,0.0009409746,0.0006602065,0.008149113,0.000006465177],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9963151,0.000333496,0.0002135024,0.00006553419,0.000003477928,0.000004541371,0.0001670891,0.00001630238,0.002881178],"genre_scores_gemma":[0.9990988,0.0001478168,0.0001628846,0.00002499581,0.000006974656,0.000001847511,0.0001742889,0.000004663408,0.0003776709],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00701801,"threshold_uncertainty_score":0.01395428,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007037587046918896,"score_gpt":0.22303542214815,"score_spread":0.2159978351012311,"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."}}