{"id":"W1984373204","doi":"10.1086/522794","title":"Tracking the Outer Spiral Arms of the Galaxy in H<scp>i</scp>Absorption","year":2007,"lang":"en","type":"article","venue":"The Astronomical Journal","topic":"Astrophysics and Star Formation Studies","field":"Physics and Astronomy","cited_by":57,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; University of Toronto; University of Calgary; Dominion Astrophysical Observatory","funders":"","keywords":"Physics; Spiral galaxy; Astrophysics; Galactic plane; Galaxy; Spiral (railway); Absorption (acoustics); Grand design spiral galaxy; Astronomy; Absorption spectroscopy; Barred spiral galaxy; Galactic astronomy; Gravitational potential; Milky Way; Interacting galaxy; Galaxy formation and evolution; Optics","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":[0.0001366345,0.000154761,0.0001403556,0.0006661114,0.0002518652,0.0004404477,0.0001481953,0.0001619019,0.0005435653],"category_scores_gemma":[0.0004801466,0.000135504,0.0001023993,0.0006471255,0.000202908,0.0001843009,0.0003403403,0.0001466168,0.0001701021],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002676178,"about_ca_system_score_gemma":0.0001220301,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01217058,"about_ca_topic_score_gemma":0.02570922,"domain_scores_codex":[0.9999255,0.000007433206,0.00000202989,0.00001837085,0.00001385293,0.00003289423],"domain_scores_gemma":[0.9996796,0.0000501679,0.0001225673,0.00002666766,0.00005953826,0.00006155851],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001636704,0.0000183749,0.9553968,0.00001501898,0.00003489475,0.0001300625,0.0005350796,0.0006533578,0.03329754,0.0001085238,0.0001719863,0.009474723],"study_design_scores_gemma":[0.000002238319,0.00002742261,0.9963315,0.000004071754,0.00001154625,0.00006702993,0.0001152253,0.0009157837,0.001978637,0.00004250207,0.0005013896,0.000002776491],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992768,0.00003653475,0.0001315785,0.000008464795,4.985295e-7,0.000001568568,0.0000795632,0.00001015653,0.0004549018],"genre_scores_gemma":[0.9992269,0.00002736492,0.0003184811,0.000006286625,0.000001256665,0.000001589744,0.0002208771,0.000003971605,0.0001931869],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01217058,"threshold_uncertainty_score":0.02419949,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01410276419417924,"score_gpt":0.2420666765246427,"score_spread":0.2279639123304635,"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."}}