{"paper":{"title":"The ACS LCID project. V. The Star Formation History of the Dwarf Galaxy \\objectname[]{LGS-3}: Clues for Cosmic Reionization and Feedback","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrew Cole, Andrew Dolphin, Antonio Aparicio, Carme Gallart, Daniel Weisz, Edouard Bernard, Eline Tolstoy, Evan Skillman, Henry Ferguson, Lucio Mayer, Matteo Monelli, Peter Stetson, Santi Cassisi, Sebastian L. Hidalgo","submitted_at":"2011-01-30T11:16:19Z","abstract_excerpt":"We present an analysis of the star formation history (SFH) of the transition-type (dIrr/dSph) Local Group galaxy \\objectname[]{LGS-3} (Pisces) based on deep photometry obtained with the {\\it Advanced Camera for Surveys} onboard the {\\it Hubble Space Telescope}. Our analysis shows that the SFH of \\objectname[]{LGS-3} is dominated by a main episode $\\sim 11.7$ Gyr ago with a duration of $\\sim$ 1.4 Gyr which formed $\\sim 90%$ of the stars. Subsequently, \\objectname[]{LGS-3} continued forming stars until the present, although at a much lower rate. The lack of early chemical enrichment is in contra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5762","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"}