{"paper":{"title":"The ALHAMBRA survey: Discovery of a faint QSO at z = 5.41","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"10), (10) Departamento de Astrof\\'isica, (11) Departamento de Astronom\\'ia, 12, (12) Departament d'Astronom\\'ia i Astrof\\'isica, 13), (13) Observatori Astronomic de la Universitat de Val\\`encia), (2) Instituto de F\\'isica de Cantabria (CSIC-UC), 3), (3) Unidad Asociada Observatori Astron\\`omic (IFCA - Universitat de Val\\`encia), 4), (4) Centro de Estudios de F\\'isica del Cosmos de Arag\\'on (CEFCA), 5), (5) Instituto de Astrof\\'isica de Canarias, (6) Observat\\'orio Nacional-MCT, (7) School of Physics, 8), (8) Facultad de F\\'isica. Departamento de F\\'isica At\\'omica, (9) Institut de Ciencies de l'Espai, A. Del Olmo (1), A. Fern\\'andez-Soto (2, A. Molino (1), Astronomy, B. Ascaso (1), Chile, C. Husillos (1), D. Crist\\'obal-Hornillos (1, E. J. Alfaro (1), Facultad de F\\'isica, F. J. Castander (9), F. Prada (1), IEEC-CSIC, I. M\\'arquez (1), I. Matute (1), J. A. L. Aguerri (5), J. Cabrera--Cano (1, J. Cepa (5, J. Masegosa (1), J. M. Quintana (1) ((1) Instituto de Astrof\\'isica de Andaluc\\'ia (CSIC), J. Perea (1), L. Infante (10), M. Cervi\\~no (1, M. Moles (1, Molecular y Nuclear. Universidad de Sevilla, M. Povi\\'c (1), N. Ben\\'itez (1), Pontificia Universidad Cat\\'olica, Rio de Janeiro, R. M. Gonz\\'alez Delgado (1), T. Aparicio--Villegas (6), T. Broadhurst (7), Tel Aviv University, Universidad de La Laguna, Universitat de Val\\`encia, V. J. Mart\\'inez (3","submitted_at":"2013-07-19T02:56:00Z","abstract_excerpt":"We aim to illustrate the potentiality of the Advanced Large, Homogeneous Area, Medium-Band Redshift Astronomical (ALHAMBRA) survey to investigate the high redshift universe through the detection of quasi stellar objects (QSOs) at redshifts larger than 5. The search for z>5 QSOs candidates was done by fitting an extensive library of spectral energy distributions --including active and non-active galaxy templates as well as stars-- to the photometric database of the ALHAMBRA survey (composed of 20 optical medium-band plus the 3 broad-band JHKs filters). Our selection over ~1 square degree of ALH"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5117","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"}