The Jubilee ISW Project II: Observed and simulated imprints of voids and superclusters on the cosmic microwave background
Entity
UAM. Departamento de Física TeóricaPublisher
Oxford University Press on behalf of the Royal Astronomical SocietyDate
2015-01-11Citation
10.1093/mnras/stu2072
Monthly Notices of Royal Astronomical Society 446.2 (2015): 1321-1334
ISSN
0035-8711 (print); 1365-2966 (online)DOI
10.1093/mnras/stu2072Funded by
SH and ITI were supported by the Science and Technologies Facilities Council (grant numberST/I000976/1). The research leading to these results has received funding from the European Research Council under the European Unions Seventh Framework Programme (FP/20072013) / ERC Grant Agreement No. [308082]. SN acknowledges support from Academy of Finland grant 1263714. AK is supported by the Ministerio de Economía y Competividad (MINECO) in Spain through grant AYA2012-31101 as well as the Consolider-Ingenio 2010 Programme of the Spanish Ministerio de Ciencia e Innovación (MICINN) under grant MultiDark CSD2009-00064. He also acknowledges support from the Australian Research Council (ARC) grants DP130100117 and DP140100198. GY acknowledges support from MINECO (Spain) under research grants AYA2012-31101 and FPA2012-34694Project
info:eu-repo/grantAgreement/EC/FP7/308082; Gobierno de España. AYA2012-31101; Gobierno de España. CSD2009-00064; Gobierno de España. FPA2012-34694Editor's Version
http://dx.doi.org/10.1093/mnras/stu2072Subjects
Cosmology: cosmic microwave background; Dark energy; Large-scale structure of Universe; Methods: numerical; FísicaNote
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reservedRights
© 2015 The Authors: Published by Oxford University Press on behalf of the Royal Astronomical SocietyAbstract
We examine the integrated Sachs-Wolfe (ISW) imprint of voids and superclusters on the cosmic microwave background. We first study results from the Jubilee N-body simulation. From Jubilee, we obtain the full-sky ISW signal from structures out to redshift z=1.4 and a mock luminous red galaxy (LRG) catalogue. We confirm that the expected signal in the concordance \Lambda CDM model is very small and likely to always be much smaller than the anisotropies arising at the last scattering surface. Any current detections of such an imprint must, therefore, predominantly arise from something other than an ISW effect in a \Lambda CDM universe. Using the simulation as a guide, we then look for the signal using a catalogue of voids and superclusters from the Sloan Digital Sky Survey. We find a result that is consistent with the \Lambda CDM model, i.e. a signal consistent with zero.
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Google Scholar:Hotchkiss, S.
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Nadathur, S.
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Gottlöber, S.
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Iliev, T.
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Knebe, Alexander
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Watson, W. A.
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Yepes Alonso, Gustavo
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