{"id":"W4409916341","doi":"10.1051/0004-6361/202555074","title":"Detection of <i>J</i> -band photometric periodicity in the T8 dwarfs 2MASS J09393548-2448279 and EQ J1959-3338","year":2025,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Agencia Estatal de Investigación; Canadian Space Agency; Ministerio de Ciencia e Innovación; European Commission","keywords":"Physics; Astrophysics; Photometry (optics); Brown dwarf; Astronomy; Stars","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0002101316,0.000214668,0.0001876909,0.0006846175,0.0003749829,0.0003282743,0.0002919434,0.0002712464,0.0008433267],"category_scores_gemma":[0.0003906718,0.0001242018,0.0001863951,0.0004162379,0.0003416346,0.0002457375,0.0003562236,0.0001999517,0.0002920211],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003865086,"about_ca_system_score_gemma":0.000135656,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005260738,"about_ca_topic_score_gemma":0.009712819,"domain_scores_codex":[0.9998709,0.000006125622,0.000007863948,0.00005866993,0.00002879199,0.00002763678],"domain_scores_gemma":[0.9995506,0.0000262997,0.0002044634,0.0000378325,0.00005687961,0.0001239208],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003254211,0.0000590998,0.8610058,0.00005346672,0.00006580503,0.0004518012,0.0003081237,0.000254993,0.1249705,0.0001862264,0.0008210945,0.01149763],"study_design_scores_gemma":[0.000006491167,0.00002764315,0.9981509,0.000003108202,0.00001167237,0.0001186426,0.00004434964,0.0001983453,0.0009261954,0.00002892179,0.0004808311,0.000002806986],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9984018,0.00008898695,0.0001557453,0.00002975869,0.000007554201,0.000004416971,0.0002124742,0.00002682745,0.001072486],"genre_scores_gemma":[0.9989545,0.00002925523,0.0003063553,0.00004154983,0.00001372691,0.000005559522,0.0004607463,0.00001077231,0.0001773791],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005260738,"threshold_uncertainty_score":0.01046026,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007084774361412618,"score_gpt":0.2044088969001435,"score_spread":0.1973241225387309,"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."}}