{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001635046,0.0004406428,0.0002150585,0.002371858,0.0003923491,0.00108111,0.0005414044,0.000328703,0.002990468],"category_scores_gemma":[0.001284432,0.0002216344,0.0002333758,0.003680553,0.0002449805,0.0006493503,0.001130078,0.0005186027,0.002192781],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000928323,"about_ca_system_score_gemma":0.002125143,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02302584,"about_ca_topic_score_gemma":0.0214075,"domain_scores_codex":[0.9994292,0.0001030546,0.00004519082,0.00009882667,0.0002181998,0.0001055852],"domain_scores_gemma":[0.9990603,0.00005493455,0.0001440283,0.00007068119,0.00038175,0.0002883516],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0005016995,0.0002414008,0.4164365,0.001735696,0.0001046948,0.0005800677,0.001074832,0.002340666,0.02434289,0.01860749,0.1823958,0.3516383],"study_design_scores_gemma":[0.00004149663,0.0002015405,0.5707214,0.0002685612,0.00002525156,0.0003905778,0.0004574163,0.0013878,0.001974704,0.002155336,0.422342,0.00003376791],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"dataset","genre_gemma":"methods","genre_scores_codex":[0.3516147,0.01784247,0.06895544,0.0114003,0.0007111506,0.006389326,0.3788913,0.001967367,0.162228],"genre_scores_gemma":[0.4621815,0.01280191,0.08644651,0.003254708,0.00069756,0.004743148,0.3839166,0.0004507316,0.04550739],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.02302584,"threshold_uncertainty_score":0.04578364,"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."}}