{"id":"W4386980120","doi":"10.1093/mnras/stad2867","title":"Planetesimals at DZ stars – I. Chondritic compositions and a massive accretion event","year":2023,"lang":"en","type":"article","venue":"Monthly Notices of the Royal Astronomical Society","topic":"Astro and Planetary Science","field":"Physics and Astronomy","cited_by":22,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal","funders":"Uppsala Universitet; Universität Wien; Science and Technology Facilities Council; European Commission; National Natural Science Foundation of China; H2020 European Research Council; National Aeronautics and Space Administration; California Institute of Technology; W. M. Keck Foundation","keywords":"Physics; Planetesimal; White dwarf; Astrophysics; Astronomy; Accretion (finance); Stars; Asteroid; Debris disk; Solar System; Chondrite; Young stellar object; Astrobiology; Planetary system; Star formation; Meteorite","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":[0.0001844355,0.0001926999,0.0002947331,0.001463575,0.0007034229,0.0005800986,0.0001601979,0.0002887237,0.001031928],"category_scores_gemma":[0.0003894557,0.0001098535,0.000150005,0.0006148642,0.0004225238,0.0002245251,0.0006059856,0.0001927322,0.0003346233],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003779285,"about_ca_system_score_gemma":0.000097006,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003794762,"about_ca_topic_score_gemma":0.003788498,"domain_scores_codex":[0.9999011,0.00000798179,0.00001023933,0.00003143325,0.0000258958,0.00002343738],"domain_scores_gemma":[0.9996425,0.00004264811,0.0001344989,0.00002495183,0.00006751872,0.0000878447],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002639884,0.00002112937,0.9726848,0.00001610488,0.00002069547,0.0007247675,0.000331468,0.00006832708,0.02309736,0.00008024208,0.00004628117,0.002644806],"study_design_scores_gemma":[0.000001308071,0.00002867221,0.9982308,0.000001585446,0.00000495174,0.0004213692,0.0001460442,0.00006042806,0.000908505,0.00002789257,0.0001671814,0.000001395509],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993563,0.00006684254,0.00002765371,0.00001116304,9.93294e-7,0.000001236852,0.00007636862,0.000003124297,0.0004563511],"genre_scores_gemma":[0.999658,0.00002485056,0.00003285235,0.000005417437,0.000002018018,5.923946e-7,0.0001336467,0.00000118193,0.0001414496],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003794762,"threshold_uncertainty_score":0.007545352,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007297242032196907,"score_gpt":0.2061143615809356,"score_spread":0.1988171195487387,"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."}}