{"paper":{"title":"A pan-chromatic view of the galaxy cluster XMMU J1230.3+1339 at z=0.975 - Observing the assembly of a massive system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alessandro Nastasi, Arjen de Hoon, Axel D. Schwope, Daniele Pierini, Gabriel W. Pratt, Gayoung Chon, Georg Lamer, Hans B\\\"ohringer, Hernan Quintana, Jan Kohnert, Joana S. Santos, Joseph J. Mohr, Manolis Rovilos, Martin M\\\"uhlegger, Mike Lerchster, Piero Rosati, Rene Fassbender, Robert Suhada, Stella Seitz","submitted_at":"2010-09-01T20:00:05Z","abstract_excerpt":"We present a comprehensive galaxy cluster study of XMMU J1230.3+1339 based on a joint analysis of X-ray data, optical imaging and spectroscopy observations, weak lensing results, and radio properties for achieving a detailed multi-component view of this newly discovered system at z=0.975. We find an optically very rich and massive system with M200$\\simeq$(4.2$\\pm$0.8)$\\times$10^14 M$\\sun$, Tx$\\simeq$5.3(+0.7--0.6)keV, and Lx$\\simeq$(6.5$\\pm$0.7)$\\times$10^44 erg/s, for which various widely used mass proxies are measured and compared. We have identified multiple cluster-related components inclu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0264","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"}