{"id":"W4411158633","doi":"10.1017/pasa.2025.10031","title":"The Polarisation Sky Survey of the Universe’s Magnetism (POSSUM): Science goals and survey description","year":2025,"lang":"en","type":"article","venue":"Publications of the Astronomical Society of Australia","topic":"Astronomy and Astrophysical Research","field":"Physics and Astronomy","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary; National Research Council Canada; Canadian Institute for Theoretical Astrophysics; Herzberg Institute of Astrophysics; University of Toronto","funders":"Agencia Estatal de Investigación; Natural Sciences and Engineering Research Council of Canada; Alliance de recherche numérique du Canada; Science and Technology Facilities Council; University of Toronto; European Regional Development Fund; European Commission; Commonwealth Scientific and Industrial Research Organisation; Australian Government; Deutsche Forschungsgemeinschaft; Canadian Space Agency; Government of Western Australia; UK Research and Innovation; Comunidad de Madrid; Space Telescope Science Institute; Science and Industry Endowment Fund; Canada Research Chairs; National Aeronautics and Space Administration","keywords":"Physics; Astronomy; Astrophysics; Universe; Sky; Magnetism; Quasar; Galaxy; Quantum mechanics","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001156838,0.0001122613,0.0001776103,0.00003177968,0.0005094954,0.00008115372,0.001086879,0.00004023126,0.00003631703],"category_scores_gemma":[0.0001305597,0.00006978093,0.0001913027,0.0008303365,0.002285938,0.0002630587,0.0005919593,0.0002518997,0.000001587289],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006530523,"about_ca_system_score_gemma":0.0004182584,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00667677,"about_ca_topic_score_gemma":0.0001210033,"domain_scores_codex":[0.9986241,0.0002462174,0.0003722765,0.0002193405,0.0002642318,0.0002737614],"domain_scores_gemma":[0.9981905,0.0003888127,0.0003333256,0.0005963439,0.000430061,0.00006100321],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001377061,0.00008919379,0.9726216,0.000004254681,0.0000571836,9.567902e-11,0.00005129884,0.0001292844,0.003876234,0.01890277,0.001351974,0.002902407],"study_design_scores_gemma":[0.0002078883,0.00001781695,0.9904256,0.00001583497,0.00002049116,9.257329e-9,0.0002709732,0.0005224339,0.007637622,0.0006724532,0.0001599461,0.0000489343],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9915385,0.00001262263,0.005522653,0.002141041,0.00008268688,0.000325285,0.0002688073,0.000003733722,0.0001047269],"genre_scores_gemma":[0.9976985,0.000001469876,0.0006645893,0.000001987313,0.00001879176,0.00001126858,0.00002641287,0.000004302523,0.001572634],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01823031,"threshold_uncertainty_score":0.9999378,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03846572270820194,"score_gpt":0.3085029592728725,"score_spread":0.2700372365646706,"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."}}