{"paper":{"title":"Inspiraling Halo Accretion Mapped in Lyman-$\\alpha$ Emission around a $z\\sim3$ Quasar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"(2) UCO, 3), (3) UC, 4) ((1) ESO, (4) MPIA, 5), (5) UC, (6) USM, 7), (7) NYU AD, (8) ETH), Aaron A. Dutton (7), Andrea V. Macci\\`o (7, Aura Obreja (6, Fabrizio Arrigoni Battaia (1), Garching, Joseph F. Hennawi (4, J. Xavier Prochaska (2, Santa Barbara, Santa Cruz, Sebastiano Cantalupo (8), Tobias Buck (4)","submitted_at":"2017-09-24T18:12:41Z","abstract_excerpt":"In an effort to search for Ly$\\alpha$ emission from circum- and intergalactic gas on scales of hundreds of kpc around $z\\sim3$ quasars, and thus characterise the physical properties of the gas in emission, we have initiated an extensive fast-survey with the Multi Unit Spectroscopic Explorer (MUSE): Quasar Snapshot Observations with MUse: Search for Extended Ultraviolet eMission (QSO MUSEUM). In this work, we report the discovery of an enormous Ly$\\alpha$ nebula (ELAN) around the quasar SDSS~J102009.99+104002.7 at $z=3.164$, which we followed-up with deeper MUSE observations. This ELAN spans $\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08228","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":""},"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"}