{"paper":{"title":"GOLDRUSH. III. A Systematic Search of Protoclusters at $z\\sim4$ Based on the $>100\\,\\mathrm{deg^2}$ Area","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chien-Hsiu Lee, Hisakazu Uchiyama, Jun Toshikawa, Masafusa Onoue, Masami Ouchi, Masayuki Akiyama, Masayuk Tanaka, Nobunari Kashikawa, Roderik Overzier, Shogo Ishikawa, Tadayuki Kodama, Tohru Nagao, Tomotsugu Goto, Yen-Ting Lin, Yoshiaki Ono, Yuichi Harikane, Yuichi Matsuda, Yutaka Komiyama","submitted_at":"2017-08-30T18:27:03Z","abstract_excerpt":"We conduct a systematic search for galaxy protoclusters at $z\\sim3.8$ based on the latest internal data release (S16A) of the Hyper SuprimeCam Subaru strategic program (HSC-SSP). In the Wide layer of the HSC-SSP, we investigate the large-scale projected sky distribution of $g$-dropout galaxies over an area of $121\\,\\mathrm{deg^2}$, and identify 216 large-scale overdense regions ($>4\\sigma$ overdensity significance) that are good protocluster candidates. Of these, 37 are located within $8\\,\\mathrm{arcmin}$ ($3.4\\,\\mathrm{physicalMpc}$) from other protocluster candidates of higher overdensity, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09421","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"}