{"id":"W4413946603","doi":"10.1038/s41586-025-09369-1","title":"Silicate precursor silane detected in cold low-metallicity brown dwarf","year":2025,"lang":"en","type":"article","venue":"Nature","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Espace pour la vie","funders":"","keywords":"Silane; Silicate; Metallicity; Astrobiology; Chemistry; Astrophysics; Astronomy; Physics","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":[0.00004421081,0.0001848267,0.0001401122,0.0006711982,0.0002148507,0.0002094403,0.0001707672,0.0001904275,0.001227828],"category_scores_gemma":[0.000152495,0.0001247781,0.00009556853,0.0003073886,0.0001822886,0.0001375882,0.0002276121,0.0001028062,0.0004525129],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001536429,"about_ca_system_score_gemma":0.00007380196,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002970212,"about_ca_topic_score_gemma":0.005174816,"domain_scores_codex":[0.9999582,0.000001420515,0.000002511189,0.00001540686,0.00001213672,0.00001037394],"domain_scores_gemma":[0.9998604,0.00001085014,0.00005310004,0.00001329727,0.00002119604,0.0000411337],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0001862645,0.00002651725,0.3440657,0.00003456318,0.00003564122,0.0007762389,0.0002370412,0.00006532197,0.6502327,0.00007137895,0.0002100308,0.004058592],"study_design_scores_gemma":[0.000004042406,0.00007532216,0.9740909,0.000002589475,0.00001328287,0.0007488376,0.0001403038,0.0002688397,0.02357876,0.00004098923,0.00103278,0.000003407233],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9989991,0.00007638974,0.0001009649,0.000005133504,0.000001781711,0.000001791761,0.0002502071,0.00002333391,0.0005412935],"genre_scores_gemma":[0.9984463,0.00004768444,0.0003681623,0.00001259497,0.000005156554,0.00000345394,0.0006860024,0.000009344725,0.0004213621],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002970212,"threshold_uncertainty_score":0.005905867,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005094210701442036,"score_gpt":0.23072611422395,"score_spread":0.2256319035225079,"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."}}