{"id":"W1638210571","doi":"10.1007/1-4020-3725-2_1","title":"Old Ultracool White Dwarfs as Cosmological Probes","year":2005,"lang":"en","type":"book-chapter","venue":"Astrophysics and space science library","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"Université de Montréal","funders":"","keywords":"White dwarf; Gravitational microlensing; Globular cluster; Physics; Population; Astrophysics; Massive compact halo object; Astronomy; Galactic halo; Proper motion; Halo; Luminosity function; Brown dwarf; Blue dwarf; Galaxy; Stars; Luminosity","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":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00007886813,0.0005385216,0.0005436678,0.0001225093,0.0005055719,0.0003762968,0.0004795124,0.0001183397,0.001296897],"category_scores_gemma":[0.000003998628,0.0004434746,0.0001603269,0.000122624,0.001009055,0.0007989277,0.0003495261,0.0005286607,0.0002749112],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001266119,"about_ca_system_score_gemma":0.0001889588,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002445483,"about_ca_topic_score_gemma":3.914674e-7,"domain_scores_codex":[0.997794,0.00001350537,0.0002767063,0.0008476977,0.0005012941,0.0005667764],"domain_scores_gemma":[0.9989272,0.00008984093,0.000236298,0.0004191246,0.00004948156,0.0002779995],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00005354795,0.0001117585,0.1473898,0.00003172654,0.0001768946,0.00003456186,0.0004403288,0.00005369234,0.00009185804,0.7863535,0.007266164,0.05799624],"study_design_scores_gemma":[0.00147137,0.001395643,0.1023485,0.0005379858,0.0005023886,0.00005616793,0.0005387834,0.0003920033,0.001575827,0.3212105,0.5663241,0.003646744],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.009037568,0.0004701904,0.0001498842,0.001198778,0.0003115495,0.0003380218,0.00007564037,0.00008637984,0.988332],"genre_scores_gemma":[0.4347271,0.0003986882,0.003844233,0.000513524,0.002590307,0.00001487654,0.0001834233,0.00009408023,0.5576338],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.559058,"threshold_uncertainty_score":0.9998017,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008244711770583843,"score_gpt":0.2002900070752556,"score_spread":0.1920452953046718,"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."}}