{"paper":{"title":"A Strong Blend in the Morning: Studying the Circumgalactic Medium Before Cosmic Noon with Strong, Blended Lyman-$\\alpha$ Forest Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Debopam Som, Ignasi P\\'erez-R\\`afols, Matthew M. Pieri, Michael Blomqvist, Sean Morrison","submitted_at":"2023-09-13T09:04:03Z","abstract_excerpt":"We study of the properties of a new class of circumgalactic medium absorbers identified in the Lyman-$\\alpha$ forest: \"Strong, Blended Lyman-$\\alpha$\" (or SBLA) absorption systems. We study SBLAs at $2.4<z<3.1$ in SDSS-IV/eBOSS spectra by their strong extended Lyman-$\\alpha$ absorption complexes covering 138 $\\,\\,{\\rm km}\\,{\\rm s}^{-1}$ with an integrated $\\log (N_{HI}/$cm$^{-2}) =16.04\\substack{+0.05 \\\\ -0.06}$ and Doppler parameter $b=18.1 \\substack{+0.7 \\\\ -0.4}\\,\\,{\\rm km}\\,{\\rm s}^{-1}$. Clustering with the Lyman-$\\alpha$ forest provides a large-scale structure bias of $b = 2.34\\pm0.06$ a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06813","kind":"arxiv","version":2},"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/2309.06813/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"}