{"id":"W32141944","doi":"10.13140/rg.2.1.3881.7127","title":"An Analytic Mathematical Model to Explain the Spiral Structure and Rotation Curve of NGC 3198","year":2015,"lang":"en","type":"preprint","venue":"","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Physics; Spiral galaxy; Galaxy rotation curve; Rotation (mathematics); Geodesic; Galaxy; Spiral (railway); Astrophysics; Angular velocity; Reference frame; Geometry; Classical mechanics; Frame (networking); Mathematical analysis; Mathematics; Galaxy formation and evolution","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":[0.0003121188,0.0004910341,0.0003133331,0.001289446,0.0003623978,0.000628044,0.0007881453,0.0005139734,0.00561921],"category_scores_gemma":[0.001119171,0.0001787917,0.0007600967,0.0006432576,0.0005449792,0.0009411976,0.0003942677,0.0004872074,0.002327194],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001072288,"about_ca_system_score_gemma":0.0005854387,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004117699,"about_ca_topic_score_gemma":0.002314923,"domain_scores_codex":[0.9999298,0.0000143124,0.000004553277,0.00001349008,0.00002831986,0.00000948619],"domain_scores_gemma":[0.9998233,0.00005057925,0.0000389129,0.00002597146,0.00004748138,0.00001391946],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00002507761,0.00002766256,0.002854529,0.0001331375,0.00002200027,0.0003264465,0.0002883855,0.2099005,0.006131737,0.7404849,0.01550563,0.02430008],"study_design_scores_gemma":[0.00001322631,0.00002928399,0.00194744,0.00003604484,0.00001545883,0.0003388196,0.00007135225,0.6711727,0.0006903345,0.2976267,0.02802997,0.00002871417],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.07163058,0.001225622,0.858648,0.002402895,0.0002297727,0.0001000738,0.002647063,0.001091941,0.06202404],"genre_scores_gemma":[0.7467722,0.002310839,0.2027773,0.000488492,0.0003711202,0.0004652363,0.003005008,0.0006957479,0.04311398],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.00561921,"threshold_uncertainty_score":0.01879811,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03323307922439066,"score_gpt":0.2859128184811549,"score_spread":0.2526797392567642,"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."}}