{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001318338,0.000137284,0.0001829043,0.00001200001,0.0002843675,0.00003247731,0.0002519076,0.00003755654,0.0002327701],"category_scores_gemma":[0.000003185307,0.0001050723,0.000183862,0.00009341665,0.0002134407,0.00008331842,0.0002252026,0.0001446287,0.00004655064],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003317983,"about_ca_system_score_gemma":0.00002460751,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003372536,"about_ca_topic_score_gemma":0.0000154854,"domain_scores_codex":[0.9990451,0.00005035934,0.0002149195,0.0002336124,0.0001623794,0.000293618],"domain_scores_gemma":[0.999404,0.0001641404,0.0001352965,0.0001784478,0.00001794752,0.0001001374],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.00001924633,0.00003610728,0.2665651,0.00001093845,0.00006835916,1.380094e-7,0.0002692144,0.728762,0.0003344567,0.000102704,0.003224626,0.0006070008],"study_design_scores_gemma":[0.0002429452,0.00004129518,0.5619205,0.00002051609,0.00004064152,9.172163e-9,0.0003294275,0.4364888,0.0002606706,0.00002845333,0.0005287645,0.00009793015],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980493,0.00002233284,0.00005569631,0.0005700841,0.0001348772,0.0001864801,0.0005684707,0.00002185306,0.0003909298],"genre_scores_gemma":[0.9981307,1.045699e-7,0.0009635938,0.00002191606,0.00009851928,0.000009590877,0.0002151414,0.000007220807,0.0005531713],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2953553,"threshold_uncertainty_score":0.4284726,"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."}}