{"id":"W2233780967","doi":"10.1093/mnras/stv2997","title":"A systematic search for changing-look quasars in SDSS","year":2016,"lang":"en","type":"article","venue":"Monthly Notices of the Royal Astronomical Society","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":314,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Lawrence Berkeley National Laboratory; Brookhaven National Laboratory; Planetary Science Division; Smithsonian Astrophysical Observatory; Office of Science; Max-Planck-Institut für Astronomie; Eötvös Loránd Tudományegyetem; National Central University; Max-Planck-Gesellschaft; Chinese Academy of Sciences; Queen's University Belfast; Durham University; York University; Space Telescope Science Institute; Science and Technology Facilities Council; Universität Basel; Fermilab; National Science Foundation; Case Western Reserve University; Carnegie Mellon University; University of Pittsburgh; Los Alamos National Laboratory; College of Engineering, Michigan State University; Princeton University; Alfred P. Sloan Foundation; University of Washington; Johns Hopkins University; Queen's University; Harvard University; Ohio State University; Vanderbilt University; Drexel University; U.S. Naval Observatory; U.S. Department of Energy; Smithsonian Institution; National Aeronautics and Space Administration; New Mexico State University; University of Portsmouth; Science Mission Directorate; Yale University","keywords":"Quasar; Physics; Astrophysics; Balmer series; Redshift; Photometry (optics); Sky; Astronomy; Emission spectrum; Active galactic nucleus; Galaxy; Light curve; Spectral line; Stars","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006650233,0.0001792209,0.0003657019,0.00003398647,0.0001601494,0.00003014069,0.0004729925,0.00005310987,0.00006650098],"category_scores_gemma":[0.00001658144,0.0001098048,0.0004465454,0.0001169798,0.0001445786,0.0001642848,0.0001934436,0.0001046699,0.00002234453],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002103018,"about_ca_system_score_gemma":0.00006799139,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002153556,"about_ca_topic_score_gemma":0.00001221749,"domain_scores_codex":[0.9984342,0.00009063821,0.0005287242,0.0002256636,0.0001933573,0.0005274424],"domain_scores_gemma":[0.9989669,0.0002832642,0.0002647452,0.0003430941,0.0000705593,0.00007148002],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002298524,0.0001263015,0.9420139,0.0006179101,0.0001390084,4.813781e-10,0.001673123,0.05424542,0.00002538665,0.0008908457,0.0001712429,0.00007387783],"study_design_scores_gemma":[0.001115177,0.00004776093,0.7444354,0.0006869566,0.00005559977,2.532674e-9,0.002047931,0.2507476,0.0005585883,0.0001146754,0.00001603834,0.0001743533],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976814,0.00002662459,0.000732125,0.0003621943,0.0001366302,0.0008455635,0.00008569375,0.00001607327,0.0001137342],"genre_scores_gemma":[0.9982183,4.493532e-8,0.0009540146,0.00000211321,0.0001583373,0.0001496835,0.000008050324,0.00002023185,0.0004892282],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1975785,"threshold_uncertainty_score":0.4477708,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008766891735191403,"score_gpt":0.2119817794299527,"score_spread":0.2032148876947613,"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."}}