{"paper":{"title":"Flat Rotation Curves found in Merging Dusty Starbursts at $z=2.3$ through Tilted-Ring Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Asantha Cooray, Hai Fu, Iv\\'an Oteo, Jacob Isbell, R. J. Ivison, Rui Xue","submitted_at":"2018-07-11T18:00:04Z","abstract_excerpt":"The brightest 500$\\,\\mu$m source in the XMM field, HXMM01, is a rare merger of luminous starburst galaxies at $z=2.3$ with a dust-obscured star-formation rate of 2,000$\\,M_{\\odot}\\,{\\rm yr}^{-1}$. Here we present high-resolution spectroscopic observations of HXMM01 with the Atacama Large Millimeter/submillimeter Array (ALMA). We detect line emission from ${\\rm CO\\,{\\it J}=7\\to6}$, [C I]$\\,{{^3P_2}\\to{^3P_1}}$, and p-${\\rm H_{2}O}\\,{2_{11}}\\to{2_{02}}$ and continuum emission at $230\\,$GHz. At a spatial resolution of 0.2\" and a spectral resolution of 40$\\,\\rm km\\,s^{-1}$, the source is resolved "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04291","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":""},"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"}