{"id":"W4391347680","doi":"10.3847/1538-4357/ad0cf7","title":"Reading between the (Spectral) Lines: Magellan/IMACS Spectroscopy of the Ultrafaint Dwarf Galaxies Eridanus IV and Centaurus I","year":2024,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Institute for Theoretical Astrophysics; University of Toronto","funders":"Argonne National Laboratory; SLAC National Accelerator Laboratory; Fondo Nacional de Desarrollo Científico y Tecnológico; Integrated Electronics Engineering Center, Binghamton University; Natural Sciences and Engineering Research Council of Canada; National Centre for Supercomputing Applications; Eidgenössische Technische Hochschule Zürich; Institut de Física d'Altes Energies; University of Sussex; Center for Cosmology and Astroparticle Physics, Ohio State University; Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas; Conselho Nacional de Desenvolvimento Científico e Tecnológico; Deutsche Forschungsgemeinschaft; University of Illinois at Urbana-Champaign; Lawrence Berkeley National Laboratory; University of Pennsylvania; Financiadora de Estudos e Projetos; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; Yale University; University of Portsmouth; Kavli Institute for Cosmological Physics, University of Chicago; University of California, Santa Cruz; Ohio State University; University College London; National Aeronautics and Space Administration; U.S. Department of Energy; European Space Agency; Fermilab; Laboratory Directed Research and Development; National Science Foundation; Science and Technology Facilities Council","keywords":"Physics; Centaurus A; Astronomy; Astrophysics; Galaxy; Spectroscopy; Quasar; Spectral line; Active galactic nucleus","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":[0.000315084,0.0001848168,0.0001169684,0.001635158,0.0002874161,0.0005746456,0.0002958107,0.0001778214,0.004016173],"category_scores_gemma":[0.0005395771,0.0001073112,0.000131735,0.0008243832,0.0001428252,0.0002998647,0.0004892442,0.0001343978,0.0009898858],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000477743,"about_ca_system_score_gemma":0.0001183444,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005894532,"about_ca_topic_score_gemma":0.01108108,"domain_scores_codex":[0.9998211,0.00001451,0.000008942917,0.00006140164,0.00005267335,0.00004140198],"domain_scores_gemma":[0.9994912,0.00003890966,0.0001658293,0.00009044093,0.0001288002,0.00008478655],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003068126,0.00004812793,0.855571,0.00006777779,0.00009653591,0.0001298638,0.0009730804,0.0008485573,0.07372963,0.001182182,0.004510982,0.06253532],"study_design_scores_gemma":[0.000004404051,0.00002069827,0.9818854,0.000007420495,0.00001915313,0.00007659483,0.0002662477,0.0008167163,0.01137818,0.000156679,0.00535948,0.000009078351],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9889489,0.000101329,0.001066065,0.00006227248,0.000006856571,0.000004961437,0.001470941,0.0003220787,0.008016565],"genre_scores_gemma":[0.9947712,0.00002739753,0.001980759,0.00002828823,0.00001206608,0.000004887239,0.001162671,0.00003818986,0.001974461],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005894532,"threshold_uncertainty_score":0.01343542,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00918471145754,"score_gpt":0.2358093448931486,"score_spread":0.2266246334356086,"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."}}