{"id":"W1993412336","doi":"10.1051/0004-6361:200811001","title":"Lack of PAH emission toward low-mass embedded young stellar objects","year":2009,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Astrophysics and Star Formation Studies","field":"Physics and Astronomy","cited_by":51,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek; California Institute of Technology; Jet Propulsion Laboratory; National Aeronautics and Space Administration","keywords":"Astrophysics; Physics; Young stellar object; T Tauri star; Stars; Radiative transfer; Spectral line; Molecular cloud; Circumstellar envelope; Extinction (optical mineralogy); Spectral energy distribution; Star formation; Astronomy; Emission spectrum; Galaxy","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":[0.0001391328,0.000225368,0.0001785707,0.000399562,0.0002252604,0.0005350698,0.0003586598,0.0002459461,0.001817221],"category_scores_gemma":[0.0004900654,0.0001200631,0.0001285286,0.0003161185,0.0003388781,0.0002465716,0.0002441171,0.0001615874,0.0004070711],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001298577,"about_ca_system_score_gemma":0.0001122601,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000652221,"about_ca_topic_score_gemma":0.0008003898,"domain_scores_codex":[0.9998859,0.000007863638,0.0000107066,0.0000494383,0.00002966163,0.00001633841],"domain_scores_gemma":[0.9992096,0.0001001715,0.0004519885,0.00007487988,0.00008559645,0.00007753479],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001938057,0.00004920923,0.8692099,0.00007217185,0.00004463377,0.0001367952,0.00009353903,0.0002704178,0.1201071,0.0001245202,0.00007833321,0.009619578],"study_design_scores_gemma":[0.000004268436,0.0001378355,0.9805972,0.000007556413,0.0000461925,0.0007898718,0.00006041917,0.0005372975,0.01731379,0.00009223513,0.0004099873,0.000003340986],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988748,0.000125532,0.0003217388,0.000006179532,6.487632e-7,0.000002269421,0.0001504155,0.0000217341,0.0004966924],"genre_scores_gemma":[0.9989632,0.00007301923,0.0004224204,0.000009639563,0.000004507532,0.000003155621,0.0003899484,0.000003673264,0.0001304341],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001817221,"threshold_uncertainty_score":0.006079257,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01276715431111018,"score_gpt":0.2431550535640413,"score_spread":0.2303878992529312,"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."}}