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Measurement of the thermal Sunyaev-Zel'dovich effect around cosmic voids

Abstract:

We stack maps of the thermal Sunyaev-Zel’dovich effect produced by the Planck Collaboration around the centers of cosmic voids defined by the distribution of galaxies in the CMASS sample of the Baryon Oscillation Spectroscopic Survey, scaled by the void effective radii. We report a first detection of the associated cross-correlation at the 3.4σ level: voids are under-pressured relative to the cosmic mean. We compare the measured Compton-y profile around voids with a model based solely on the ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1103/PhysRevD.97.063514

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
Hložek, R More by this author
Spergel, DN More by this author
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Funding agency for:
Alonso, D
More from this funder
Funding agency for:
Alonso, D
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
97
Issue:
6
Pages:
Article: 063514
Publication date:
2018-03-14
Acceptance date:
2018-02-14
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Pubs id:
pubs:824478
URN:
uri:4d0b7f78-129e-4f0f-b82b-cd31101cd20e
UUID:
uuid:4d0b7f78-129e-4f0f-b82b-cd31101cd20e
Local pid:
pubs:824478

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