{"id":"W3173173489","doi":"10.1093/mnras/stab1679","title":"A low density wave's spiral pattern speed, from the tracer separations (age gradient) across a spiral arm in the Milky Way","year":2021,"lang":"en","type":"article","venue":"Monthly Notices of the Royal Astronomical Society","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Herzberg Institute of Astrophysics","funders":"U.S. Nuclear Regulatory Commission","keywords":"Maser; Physics; RADIUS; Spiral (railway); Spiral galaxy; Milky Way; Bar (unit); Astrophysics; Perturbation (astronomy); Stars; Astronomy; Meteorology","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":[0.0001002695,0.0000782956,0.0001054026,0.0006158231,0.0002189231,0.0005635007,0.000172062,0.0001692038,0.001019542],"category_scores_gemma":[0.0008362122,0.0001223747,0.00007185677,0.000289047,0.000264084,0.0002615302,0.0002851404,0.0001541607,0.0001726807],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002792264,"about_ca_system_score_gemma":0.0001391446,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004141411,"about_ca_topic_score_gemma":0.004759914,"domain_scores_codex":[0.9999673,0.000003828096,0.000002167341,0.00001084047,0.000008060976,0.000007766121],"domain_scores_gemma":[0.9997666,0.0000442065,0.00007305134,0.00001674897,0.00005550239,0.00004377076],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002332032,0.00004346971,0.9117977,0.00004568979,0.00003695089,0.0003844249,0.000863744,0.003303587,0.04876181,0.003425119,0.0007086058,0.03039566],"study_design_scores_gemma":[0.00001376617,0.00003631777,0.9926612,0.000006393037,0.00001195613,0.0001707803,0.0001672208,0.003759079,0.00159457,0.0007614013,0.0008105422,0.000006756445],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987249,0.00003995708,0.0001867051,0.00002816971,0.000001203806,0.000001065663,0.00005406827,0.00001096484,0.0009530179],"genre_scores_gemma":[0.999584,0.00001477377,0.0001223304,0.000003088675,0.00000190748,7.845306e-7,0.00004410276,0.000002943866,0.0002259943],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004141411,"threshold_uncertainty_score":0.00823462,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01567094025988873,"score_gpt":0.2296157178962798,"score_spread":0.2139447776363911,"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."}}