The dipole anisotropy of WISE x SuperCOSMOS number counts

We probe the isotropy of the Universe with the largest all-sky photometric redshift dataset currently available, namely WISE~\(\times\)~SuperCOSMOS. We search for dipole anisotropy of galaxy number counts in multiple redshift shells within the \(0.10 < z < 0.35\) range, for two subsamples draw...

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Bibliographic Details
Published in:arXiv.org 2018-04
Main Authors: Bengaly, C A P, Novaes, C P, Xavier, H S, Bilicki, M, Bernui, A, Alcaniz, J S
Format: Article
Language:English
Subjects:
Anisotropy
Dipoles
Galaxies
Isotropy
Photometry
Red shift
Universe
Wide-field Infrared Survey Explorer
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Summary:We probe the isotropy of the Universe with the largest all-sky photometric redshift dataset currently available, namely WISE~\(\times\)~SuperCOSMOS. We search for dipole anisotropy of galaxy number counts in multiple redshift shells within the \(0.10 < z < 0.35\) range, for two subsamples drawn from the same parent catalogue. Our results show that the dipole directions are in good agreement with most of the previous analyses in the literature, and in most redshift bins the dipole amplitudes are well consistent with \(\Lambda\)CDM-based mocks in the cleanest sample of this catalogue. In the \(z
ISSN:2331-8422
DOI:10.48550/arxiv.1707.08091