{"id":"W4327587527","doi":"10.3847/psj/acbfbb","title":"Comet P/2021 HS (PANSTARRS) and the Challenge of Detecting Low-activity Comets","year":2023,"lang":"en","type":"article","venue":"The Planetary Science Journal","topic":"Astro and Planetary Science","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Science Mission Directorate","keywords":"Comet; Physics; Coma (optics); Phase function; Astrophysics; Asteroid; Comet dust; Interstellar comet; Geometric albedo; Solar System; Sublimation (psychology); Astronomy; Scattering; Astrobiology; Photometry (optics); Optics; Stars; Interplanetary dust cloud","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":[0.0009163456,0.0003093542,0.0002640092,0.0009573869,0.000379666,0.0007613791,0.0003566138,0.0005466546,0.0005028297],"category_scores_gemma":[0.001091966,0.0001345669,0.0001312576,0.0003449148,0.0002908189,0.0004362077,0.0003702088,0.0001910584,0.0001886607],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003410714,"about_ca_system_score_gemma":0.0001603292,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002536851,"about_ca_topic_score_gemma":0.004104295,"domain_scores_codex":[0.999662,0.00006030184,0.00001705747,0.0001089219,0.00008437326,0.00006737172],"domain_scores_gemma":[0.9990138,0.0001666256,0.0002974034,0.00007449848,0.0001817472,0.0002659599],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001859091,0.00004157441,0.8823474,0.0001096985,0.00005432967,0.001025772,0.0001550282,0.0004022789,0.09236789,0.0001636565,0.0005407595,0.02260575],"study_design_scores_gemma":[0.000006086009,0.0001886685,0.9869007,0.0000138005,0.000019123,0.002572636,0.0002486063,0.001667211,0.00709093,0.0001116221,0.001172937,0.00000758357],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.996542,0.0009855647,0.0008351326,0.0001389407,0.00001377912,0.00001281074,0.0002563455,0.00005091323,0.001164432],"genre_scores_gemma":[0.9985895,0.0001385158,0.000838257,0.00004115129,0.00002942005,0.00000343876,0.0002605862,0.000003488422,0.00009572999],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002536851,"threshold_uncertainty_score":0.005044162,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0151420941672181,"score_gpt":0.2286293473969898,"score_spread":0.2134872532297717,"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."}}