{"paper":{"title":"A survey of Ly$\\alpha$ emission around Damped Ly$\\alpha$ absorbers at $z \\approx 2$ with the Keck Cosmic Web Imager","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Grecco A. Oyarzun, J. Xavier Prochaska, Marcel Neeleman, Marc Rafelski, Nissim Kanekar, Regina A. Jorgenson","submitted_at":"2023-12-01T19:00:03Z","abstract_excerpt":"We present Keck Cosmic Web Imager (KCWI) Ly$\\alpha$ integral field spectroscopy of the fields surrounding 14 Damped Ly$\\alpha$ absorbers (DLAs) at $z \\approx 2$. Of these 14 DLAs, 9 have high metallicities ([M/H]$~> -0.3$), and 4 of those 9 feature a CO-emitting galaxy at an impact parameter $\\lesssim 30$ kpc. Our search reaches median Ly$\\alpha$ line flux sensitivities of $\\sim 2 \\times 10^{-17}$ erg s$^{-1}$ cm$^{-2}$ over apertures of $\\sim6$ kpc and out to impact parameters of $\\sim50$ kpc. We recover the Ly$\\alpha$ flux of three known Ly$\\alpha$-emitting H I-selected galaxies in our sampl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.00867","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/2312.00867/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"}