{"id":"W4285603578","doi":"10.1016/j.newast.2022.101896","title":"Catalog of spiral arm tangents (Galactic longitudes) in the Milky Way, and the age gradient based on various arm tracers","year":2022,"lang":"en","type":"article","venue":"New Astronomy","topic":"Astrophysics and Star Formation Studies","field":"Physics and Astronomy","cited_by":13,"is_retracted":false,"has_abstract":false,"ca_institutions":"Herzberg Institute of Astrophysics","funders":"National Research Council Canada","keywords":"Physics; Spiral galaxy; Milky Way; Tangent; Spiral (railway); Astrophysics; Astronomy; Geodesy; Geometry; Stars; Geology","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":[0.0004387811,0.0002005512,0.0003057577,0.007091202,0.0003476372,0.0008678516,0.0002934968,0.0001666053,0.003384517],"category_scores_gemma":[0.002292452,0.0001543978,0.0002463305,0.007032107,0.0002369818,0.0004882279,0.0007069673,0.000209519,0.001495492],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003717405,"about_ca_system_score_gemma":0.0007898216,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02121806,"about_ca_topic_score_gemma":0.03355385,"domain_scores_codex":[0.9997807,0.00001697899,0.00003275559,0.00007543674,0.00006392166,0.0000302039],"domain_scores_gemma":[0.9971997,0.0002832087,0.0008313971,0.0003719841,0.0008834399,0.0004302386],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002055131,0.00002037611,0.9473031,0.0001086826,0.00006758837,0.00006035728,0.0005057887,0.000418372,0.004924722,0.0009482813,0.003102868,0.0423344],"study_design_scores_gemma":[0.000008546833,0.00004620947,0.9846494,0.0000179424,0.00002723459,0.000151962,0.0001940744,0.0003367492,0.0005157882,0.0001500774,0.01389554,0.000006619918],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9424872,0.001259967,0.001316769,0.00008471894,0.00001493753,0.00003115524,0.04561597,0.0004876065,0.008701618],"genre_scores_gemma":[0.915263,0.001408292,0.00357288,0.00005271006,0.00002955484,0.00003744293,0.07246126,0.00008749338,0.007087357],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02121806,"threshold_uncertainty_score":0.04218912,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01262609482529965,"score_gpt":0.2261559317874587,"score_spread":0.2135298369621591,"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."}}