{"id":"W4407402251","doi":"10.1051/0004-6361/202453127","title":"IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare","year":2025,"lang":"en","type":"article","venue":"Astronomy and Astrophysics","topic":"Astrophysics and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Japan Society for the Promotion of Science; Goddard Space Flight Center; Marshall Space Flight Center; Korea Research Environment Open Network; Stockholms Universitet; Istituto Nazionale di Astrofisica; Deutsches Elektronen-Synchrotron; Agenzia Spaziale Italiana; Consejo Superior de Investigaciones Científicas; National Research Foundation of Korea; Nuclear Safety and Security Commission; Smithsonian Astrophysical Observatory; Bulgarian National Science Fund; Instituto de Astrofísica de Andalucía; Korea Institute of Science and Technology Information; Ministry of Education, Culture, Sports, Science and Technology; Queen's University; Institut National de Physique Nucléaire et de Physique des Particules; Science and Technology Facilities Council; Aalto-Yliopisto; National Research Foundation; Queen's University Belfast; Academia Sinica; California Institute of Technology; Ministerio de Ciencia e Innovación; European Commission; Smithsonian Institution; National Radio Astronomy Observatory; Agencia Estatal de Investigación; Oak Ridge Associated Universities; Liverpool John Moores University; National Science Foundation; UK Research and Innovation; Korea Institute of Science and Technology; Korea Astronomy and Space Science Institute; Space Telescope Science Institute; Junta de Andalucía; Associated Universities; University of Hawai'i; National Aeronautics and Space Administration; Istituto Nazionale di Fisica Nucleare; Trinity College Dublin","keywords":"Physics; Blazar; Astrophysics; Flare; Synchrotron; X-ray; Astronomy; Flare star; Synchrotron radiation; Gamma ray; Stars; Optics; K-type main-sequence star; T Tauri star","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":[0.000188791,0.000336707,0.0002427396,0.0006560708,0.0003652479,0.0004438723,0.000195555,0.0003144029,0.0009856226],"category_scores_gemma":[0.0002215782,0.0001575913,0.0002061672,0.0003021113,0.000211493,0.0001909018,0.0004473024,0.000423014,0.0002630537],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002983982,"about_ca_system_score_gemma":0.0001511916,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003114425,"about_ca_topic_score_gemma":0.004718615,"domain_scores_codex":[0.9999206,0.000006888635,0.000003342659,0.00002439731,0.00002053699,0.00002427194],"domain_scores_gemma":[0.9998721,0.00000960469,0.00004418283,0.00001341155,0.00001830586,0.00004227237],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001309508,0.0004178409,0.5748353,0.0001453295,0.000349696,0.003827687,0.001126005,0.001882357,0.3678429,0.001042006,0.005356602,0.04186477],"study_design_scores_gemma":[0.00002446161,0.0001261384,0.9940391,0.00001054447,0.00003824008,0.0002729672,0.00009075832,0.0006969013,0.002640359,0.00006040644,0.001991521,0.000008627003],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9966563,0.00009423003,0.0003079843,0.00006473833,0.0000112165,0.00001154807,0.000373398,0.00007110882,0.002409498],"genre_scores_gemma":[0.9976928,0.0000542935,0.0007929892,0.00005952525,0.00002492203,0.00001095407,0.0007316996,0.00001364495,0.0006190648],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003114425,"threshold_uncertainty_score":0.006192625,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005546801863757769,"score_gpt":0.1988314589826959,"score_spread":0.1932846571189381,"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."}}