{"id":"W1987581036","doi":"10.1086/421364","title":"Spectroscopic Properties of Cool Stars in the Sloan Digital Sky Survey: An Analysis of Magnetic Activity and a Search for Subdwarfs","year":2004,"lang":"en","type":"article","venue":"The Astronomical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":340,"is_retracted":false,"has_abstract":true,"ca_institutions":"Apache (Canada)","funders":"Los Alamos National Laboratory; U.S. Naval Observatory; Fermilab; Max-Planck-Institut für Astronomie; University of Pittsburgh; Johns Hopkins University; University of Chicago; Max-Planck-Institut für Astrophysik; U.S. Department of Energy; Princeton University; Max-Planck-Gesellschaft; New Mexico State University; National Science Foundation; University of Washington; Alfred P. Sloan Foundation; National Aeronautics and Space Administration","keywords":"Astrophysics; Physics; Subdwarf; Stars; Stellar classification; Sky; Metallicity; Astronomy; Luminosity function; Luminosity; T Tauri star; Equivalent width; K-type main-sequence star; Spectral line; Galaxy; Emission spectrum; White dwarf","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":[0.0003193299,0.0001927903,0.0002061328,0.002389144,0.000332932,0.0003600111,0.000160422,0.000146026,0.0005648088],"category_scores_gemma":[0.0007622721,0.0001083367,0.0001688879,0.001275493,0.000233537,0.0002459053,0.0004387813,0.0001245203,0.0001987017],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002557495,"about_ca_system_score_gemma":0.0001795954,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008791612,"about_ca_topic_score_gemma":0.01773735,"domain_scores_codex":[0.9998584,0.00002039572,0.00001726624,0.00002615447,0.00004487359,0.00003297412],"domain_scores_gemma":[0.9990349,0.0000953833,0.0004027711,0.00005489524,0.0001786603,0.0002334295],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001822449,0.000008336819,0.9977607,0.000005094815,0.000009992968,0.00001611968,0.00004707903,0.00002689357,0.0006229138,0.000006694313,0.0000467123,0.001431258],"study_design_scores_gemma":[7.295186e-7,0.00001035287,0.9996676,9.220132e-7,0.000003262922,0.0000362717,0.00004282423,0.00005490157,0.00006945989,0.000003934697,0.0001091576,5.90223e-7],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993887,0.00005421495,0.00004361452,0.000008113313,5.618832e-7,0.000002481707,0.0003225469,0.000003305024,0.0001764548],"genre_scores_gemma":[0.9980867,0.00007259294,0.0001901713,0.000009061229,0.000004454442,0.000004768379,0.001437095,0.000001855438,0.000193336],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008791612,"threshold_uncertainty_score":0.01748091,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02504750981559935,"score_gpt":0.2518864405568083,"score_spread":0.2268389307412089,"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."}}