{"paper":{"title":"The Grism Lens-Amplified Survey from Space (GLASS). IX. The dual origin of low-mass cluster galaxies as revealed by new structural analyses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Tohoku University, (3) U. Melbourne, (4) Leibnitz-Institut/AIP Potsdam, (5) Carnegie Observatories, (6) Padova Astronomical Observatory/INAF, (7) UC Davis), Alan Dressler (5), Austin Hoag (7) ((1) UCLA, Benedetta Vulcani (3), Bianca M. Poggianti (6), Kasper B. Schmidt (4), Kuang-Han Huang (7), Louis E. Abramson (1), Marusa Bradac (7), Matthew A. Malkan (1), Michele Trenti (3), Takahiro Morishita (1, Tommaso Treu (1), Xin Wang (1)","submitted_at":"2016-07-01T20:00:01Z","abstract_excerpt":"Using deep Hubble Frontier Fields imaging and slitless spectroscopy from the Grism Lens-Amplified Survey from Space, we analyze 2200 cluster and 1748 field galaxies at $0.2\\leq z\\leq0.7$ to determine the impact of environment on galaxy size and structure at $\\log M_*/M_\\odot>7.8$, an unprecedented limit at these redshifts. Based on simple assumptions-$r_e=f(M_*)$-we find no significant differences in half-light radii ($r_e$) between equal-mass cluster or field systems. More complex analyses-$r_e=f(M_*,U-V,n,z,\\Sigma$)-reveal local density $(\\Sigma$) to induce only a $7\\% \\pm 3\\%$ ($95\\%$ confi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00384","kind":"arxiv","version":3},"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"}