Tracing the sound horizon scale with photometric redshift surveys

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Show simple item record Sánchez, E. Carnero, A. García-Bellido, Juan Gaztañaga, E. De Simoni, F. Crocce, M. Cabré, A. Fosalba, P. Alonso, D.
dc.contributor.other UAM. Departamento de Física Teórica es_ES 2015-07-02T15:29:18Z 2015-07-02T15:29:18Z 2011-02-01
dc.identifier.citation Monthly Notices of the Royal Astronomical Society 411.1 (2011): 277-288 en_US
dc.identifier.issn 0035-8711 (print) es_ES
dc.identifier.issn 1365-2966 (online) es_ES
dc.description This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©2010 RAS ©2010 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. en_US
dc.description.abstract We propose a new method for the extraction cosmological parameters using the baryon acoustic oscillation (BAO) scale as a standard ruler in deep galaxy surveys with photometric determination of redshifts. The method consists in a simple empirical parametric fit to the angular two-point correlation function ω(θ). It is parametrized as a power law to describe the continuum and as a Gaussian to describe the BAO bump. The location of the Gaussian is used as the basis for the measurement of the sound horizon scale. This method, although simple, actually provides a robust estimation, since the inclusion of the power law and the use of the Gaussian remove the shifts which affect the local maximum. We discuss the effects of projection bias, non-linearities, redshift space distortions and photo-z precision and apply our method to a mock catalogue of the Dark Energy Survey, built upon a large N-body simulation provided by the MICE collaboration. We discuss the main systematic errors associated with our method and show that they are dominated by the photo-z uncertainty en_US
dc.description.sponsorship We thank the Spanish Ministry of Science and Innovation (MICINN) for funding support through grants AYA2009- 13936-C06-01, AYA2009-13936-C06-03, AYA2009-13936-C06- 04, AYA2009-13936-C06-06 and through the Consolider Ingenio- 2010 programme, under project CSD2007-00060 en_US
dc.format.extent 12 pag. es_ES
dc.format.mimetype application/pdf en
dc.language.iso eng en
dc.publisher Oxford University Press en_US
dc.publisher Royal Astronomical Society en_US
dc.relation.ispartof Monthly Notices of the Royal Astronomical Society en_US
dc.rights © 2010 RAS en_US
dc.rights © 2010 The Authors en_US
dc.subject.other Cosmological parameters en_US
dc.subject.other Dark energy en_US
dc.subject.other Large-scale structure of Universe en_US
dc.subject.other Methods: data analysis en_US
dc.title Tracing the sound horizon scale with photometric redshift surveys es_ES
dc.type article en
dc.subject.eciencia Física es_ES
dc.relation.publisherversion es_ES
dc.identifier.doi 10.1111/j.1365-2966.2010.17679.x es_ES
dc.identifier.publicationfirstpage 277 es_ES
dc.identifier.publicationissue 1 es_ES
dc.identifier.publicationlastpage 288 es_ES
dc.identifier.publicationvolume 411 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion en
dc.rights.accessRights openAccess en
dc.authorUAM García-Bellido Capdevila, Juan (259823)

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