{"paper":{"title":"The nearest ultra diffuse galaxy: UGC2162","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ignacio Trujillo, Javier Rom\\'an, Jorge S\\'anchez Almeida, Mercedes Filho","submitted_at":"2017-01-13T19:03:30Z","abstract_excerpt":"We describe the structural, stellar population and gas properties of the nearest Ultra Diffuse Galaxy (UDG) discovered so far: UGC2162 (z=0.00392; R$_{e,g}$=1.7$(\\pm$0.2) kpc; $\\mu_g(0)$=24.4$\\pm$0.1 mag/arcsec$^2$; g-i=0.33$\\pm$0.02). This galaxy, located at a distance of 12.3($\\pm$1.7) Mpc, is a member of the M77 group. UGC2162 has a stellar mass of $\\sim$2($^{+2}_{-1}$)$\\times$10$^7$ M$_\\odot$ and is embedded within a cloud of HI gas $\\sim$10 times more massive: $\\sim$1.9($\\pm$0.6)$\\times$10$^8$ M$_\\odot$. Using the width of its HI line as a dynamical proxy, the enclosed mass within the inn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03804","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"}