{"id":"W4414930720","doi":"10.1038/s41550-025-02682-9","title":"Detection of a septuple stellar system in formation via disk fragmentation","year":2025,"lang":"en","type":"article","venue":"Nature Astronomy","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University","funders":"","keywords":"Protostar; Supernova; Fragmentation (computing); Star formation; Cluster (spacecraft); Circumstellar disk; Gravitational collapse; Star cluster","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":[0.0006452808,0.000286166,0.0004121303,0.00120121,0.001233284,0.001183996,0.0007535553,0.001332608,0.002897274],"category_scores_gemma":[0.001134642,0.0003414247,0.0002647954,0.0006780289,0.0006906939,0.0005252205,0.000882429,0.0006402984,0.000629939],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002432451,"about_ca_system_score_gemma":0.0001673292,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002520425,"about_ca_topic_score_gemma":0.000300149,"domain_scores_codex":[0.9997839,0.00002890509,0.00001217713,0.00007884562,0.00004441047,0.00005175139],"domain_scores_gemma":[0.99871,0.0003945621,0.0002670385,0.0002090944,0.0001323623,0.0002868541],"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":[0.00186816,0.0002862301,0.4815296,0.0001365741,0.0001772132,0.006048351,0.0008607408,0.0004650672,0.4907554,0.003160575,0.0005673429,0.01414468],"study_design_scores_gemma":[0.0002108191,0.001874429,0.7706323,0.00005890559,0.0002029991,0.0240927,0.001358335,0.006481432,0.1826801,0.0058508,0.006506686,0.00005043991],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964821,0.0002971274,0.001186886,0.00006537912,0.00002065874,0.00001272195,0.0001127484,0.00003982783,0.001782395],"genre_scores_gemma":[0.998623,0.00004168898,0.000799932,0.00004796355,0.000008512094,0.00000393338,0.00009965032,0.000004061599,0.0003712406],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002897274,"threshold_uncertainty_score":0.009692311,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.002957392324249448,"score_gpt":0.2136681703112927,"score_spread":0.2107107779870432,"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."}}