{"paper":{"title":"Discovery of a damped Ly$\\alpha$ galaxy at z $\\sim$ 3 towards the quasar SDSS J011852+040644","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. Christopher Martin, Linhua Jiang, Luis C. Ho, Marc Rafelski, Michele Fumagalli, Pasquier Noterdaeme, Patrick Petitjean, Qiong Li, Raghunathan Srianand, Ravi Joshi, Ruari Mackenzie, Siwei Zou, Xue-Bing Wu, Zheng Cai","submitted_at":"2020-12-14T11:17:15Z","abstract_excerpt":"We report the detection of the host galaxy of a damped Ly$\\alpha$ system (DLA) with log N(HI) $ [\\rm cm^{-2}]$ = $21.0 \\pm 0.10$ at $z \\approx 3.0091$ towards the background quasar SDSS J011852+040644 using the Palomar Cosmic Web Imager (PCWI) at the Hale (P200) telescope. We detect Ly$\\alpha$ emission in the dark core of the DLA trough at a 3.3$\\sigma$ confidence level, with Ly$\\alpha$ luminosity of $L_{\\rm Ly\\alpha}$ $\\rm = (3.8 \\pm 0.8) \\times 10^{42}\\ erg\\ s^{-1}$, corresponding to a star formation rate of $\\gtrsim 2\\ \\rm M_{\\odot}\\ yr^{-1}$ (considering a lower limit on Ly$\\alpha$ escape "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.07422","kind":"arxiv","version":1},"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/2012.07422/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"}