{"paper":{"title":"An Overdensity of Galaxies near the Most Distant Radio-Loud Quasar","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. R. Martel, A. W. Zirm, B. Holden, C. Gronwall, C. J. Burrows, D. A. Golimowski, D. R. Ardila, E. S. Cheng, F. Bartko, F. Menanteau, G. D. Illingworth, G. F. Hartig, G. K. Miley, G. R. Meurer, H. C. Ford, H. D. Tran, J. E. Krist, J. P. Blakeslee, L. D. Bradley, L. Infante, M. Clampin, M. Franx, M. K. Jee, M. P. Lesser, M. Postman, M. Sirianni, N. Benitez, N. Homeier, N. J. G. Cross, P. D. Feldman, P. Rosati, R. A. Brown, R. A. Kimble, R. Demarco, R. J. Bouwens, R. L. White, R. Overzier, S. Mei, T. Goto, T. J. Broadhurst, V. Motta, W. B. Sparks, W. Zheng, Z. I. Tsvetanov","submitted_at":"2005-11-25T21:14:20Z","abstract_excerpt":"A five square arcminute region around the luminous radio-loud quasar SDSS J0836+0054 (z=5.8) hosts a wealth of associated galaxies, characterized by very red (1.3 < i_775 - z_{850} < 2.0) color. The surface density of these z~5.8 candidates is approximately six times higher than the number expected from deep ACS fields. This is one of the highest galaxy overdensities at high redshifts, which may develop into a group or cluster. We also find evidence for a substructure associated with one of the candidates. It has two very faint companion objects within two arcseconds, which are likely to merge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0511734","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0511734/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}