{"paper":{"title":"A Molecular gas rich GRB host galaxy at the peak of cosmic star formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Feruglio, D. Elbaz, E. Daddi, E. Le Floc'h, F. Bournaud, H. Dannerbauer, J. Japelj, L. Ciesla, M. Arabsalmani, P.-A. Duc, S. Basa, S. D. Vergani, V. Charmandaris","submitted_at":"2017-09-01T18:00:16Z","abstract_excerpt":"We report the detection of the CO(3-2) emission line from the host galaxy of Gamma Ray Burst (GRB) 080207 at $z$ = 2.086. This is the first detection of molecular gas in emission from a GRB host galaxy beyond redshift 1. We find this galaxy to be rich in molecular gas with a mass of $1.1 \\times 10^{11}\\,\\rm M_{\\odot}$ assuming $\\alpha_{\\rm CO}=$ 4.36 $\\rm M_{\\odot}(\\rm K\\,km\\,s^{-1}\\,pc^2)^{-1}$. The molecular gas mass fraction of the galaxy is $\\sim$ 0.5, typical of star forming galaxies (SFGs) with similar stellar masses and redshifts. With a $\\rm SFR_{FIR}$ of 260 $\\rm M_{\\odot}\\,yr^{-1}$, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00424","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"}