{"paper":{"title":"JWST FRESCO: a comprehensive census of H$\\beta$+[OIII] emitters at 6.8<z<9.0 in the GOODS fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Covelo-Paz, A. Shapley, A. Weibel, D. Magee, D. Schaerer, E. Giovinazzo, E. Leonova, E. Nelson, G. Brammer, G. D. Illingworth, G. Prieto Lyon, I. Kramarenko, I. Labbe, I. Shivaei, J. Chisholm, J. Kerutt, J. Matharu, J. Matthee, M. A. Wozniak, M. Maseda, M. Stefanon, M. Xiao, N. Reddy, P. A. Oesch, R. A. Meyer, R. J. Bouwens, R. P. Naidu, S. Wuyts, T. Herard-Demanche, Y. Fudamoto","submitted_at":"2024-05-08T15:07:57Z","abstract_excerpt":"We present the census of H$\\beta$+[OIII] 4960,5008 \\AA emitters at 6.8<z<9.0 from the JWST FRESCO survey over 124 arcmin$^2$ in the GOODS-North and GOODS-South fields. Our unbiased spectroscopic search results in 137 spectroscopically-confirmed galaxies at $6.8<z<9.0$ with observed [OIII] fluxes $f_{[OIII]}\\gtrsim 1\\times 10^{-18}\\ \\rm{ergs}\\ \\rm{s}^{-1} \\ \\rm{cm}^{-2}$. The rest-frame optical line ratios of the median stacked spectrum (median $M_{\\rm{UV}}=-19.65^{+0.59}_{-1.05}$) indicate negligible dust attenuation, low metallicity ($12+\\log(\\rm{O/H})= 7.2-7.7$) and a high ionisation paramet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.05111","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.05111/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}