{"paper":{"title":"The First Billion Years project: constraining the dust attenuation law of star-forming galaxies at z $\\simeq$ 5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Dalla Vecchia, F. Cullen, J.S. Dunlop, R.J. Mclure, S. Khochfar","submitted_at":"2017-01-26T20:30:47Z","abstract_excerpt":"We present the results of a study investigating the dust attenuation law at $z\\simeq 5$, based on synthetic spectral energy distributions (SEDs) calculated for a sample of N=498 galaxies drawn from the First Billion Years (FiBY) simulation project. The simulated galaxies at $z\\simeq 5$, which have M$_{1500} \\leq -18.0$ and $7.5 \\leq \\rm{log(M/M}_{\\odot}\\rm{)} \\leq 10.2$, display a mass-dependent $\\alpha$-enhancement, with a median value of $[\\alpha/\\rm{Fe}]_{z=5}~\\simeq~4~\\times~[\\alpha/\\rm{Fe}]_{Z_{\\odot}}$. The median Fe/H ratio of the simulated galaxies is $0.14\\pm0.05$ which, even includin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07869","kind":"arxiv","version":4},"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"}