{"id":"W4413091838","doi":"10.1051/0004-6361/202453512","title":"Galaxy–point spread function correlations as a probe of weak-lensing systematics with UNIONS data","year":2025,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Herzberg Institute of Astrophysics; Perimeter Institute; University of Waterloo","funders":"","keywords":"Physics; Weak gravitational lensing; Point spread function; Galaxy; Astrophysics; Gravitational lens; Jackknife resampling; Systematics; Correlation function (quantum field theory); Statistical physics; Covariance; Algorithm; Covariance matrix; Redshift; Statistics; Optics; Computer science","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":[0.004967741,0.0003309349,0.0003303772,0.00228802,0.0005305689,0.0008022945,0.0005927096,0.0003147394,0.0009209245],"category_scores_gemma":[0.01675816,0.0001816255,0.0005210991,0.002393635,0.0006939119,0.0007423144,0.001169307,0.000474788,0.0001967557],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005757276,"about_ca_system_score_gemma":0.0005630412,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01042805,"about_ca_topic_score_gemma":0.01101589,"domain_scores_codex":[0.9976112,0.00107659,0.0001594096,0.0004657491,0.0005884634,0.00009864474],"domain_scores_gemma":[0.9860087,0.007879741,0.002343178,0.002604269,0.0008905487,0.0002736456],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001947411,0.00006160298,0.9195728,0.0001192638,0.0005153283,0.0001615748,0.0006424303,0.03923113,0.005650867,0.005690915,0.0007447026,0.02741478],"study_design_scores_gemma":[0.00001364175,0.00007582023,0.8855388,0.00003813168,0.0001443682,0.0001984781,0.0003034111,0.09941307,0.007354691,0.004361528,0.002515262,0.00004283075],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9582082,0.0002344908,0.03836009,0.00005632789,0.00001020439,0.00002278098,0.0009260768,0.0002873107,0.001894437],"genre_scores_gemma":[0.9900936,0.00003950244,0.008362655,0.000008377366,0.00001054951,0.00001180513,0.001289048,0.00005158894,0.0001328903],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01042805,"threshold_uncertainty_score":0.02627218,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008973443935231317,"score_gpt":0.2068102500059043,"score_spread":0.197836806070673,"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."}}