Amplitudes of thermal and kinetic Sunyaev-Zel'dovich signals from small-scale CMB anisotropies

被引：2

作者：

Archidiacono, Maria ^{[1
,2
]}

De Bernardis, Francesco ^{[3
]}

Cooray, Asantha ^{[3
]}

Melchiorri, Alessandro ^{[1
,2
]}

Amblard, Alexandre ^{[4
]}

Pagano, Luca ^{[1
,2
]}

Serra, Paolo ^{[4
]}

机构：

[1] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy

[2] Univ Roma La Sapienza, INFN, I-00185 Rome, Italy

[3] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[4] NASA Ames Res Ctr, Astrophys Branch, Moffett Field, CA 94035 USA

来源：

PHYSICAL REVIEW D | 2012年 / 85卷 / 04期

关键词：

ATACAMA COSMOLOGY TELESCOPE; POWER SPECTRUM; MICROWAVE; PARAMETERS; FLUCTUATIONS; SIMULATIONS; PREDICTIONS; FOREGROUNDS; GALAXIES;

D O I：

10.1103/PhysRevD.85.043015

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

While the arcminute-scale cosmic microwave background (CMB) anisotropies are due to secondary effects, point sources dominate the total anisotropy power spectrum. At high frequencies the point sources are primarily in the form of dusty, star-forming galaxies. Both Herschel and Planck have recently measured the anisotropy power spectrum of cosmic infrared background (CIB) generated by dusty, star-forming galaxies from degree to subarcminute angular scales, including the nonlinear clustering of these galaxies at multipoles of 3000 to 6000 relevant to CMB secondary anisotropy studies. We scale the CIB angular power spectra to CMB frequencies and interpret the combined WMAP-7 year and arcminute-scale Atacama Cosmology Telescope and South Pole Telescope CMB power spectra measurements to constrain the Sunyaev-Zel'dovich (SZ) effects. Allowing the CIB clustering amplitude to vary, we constrain the amplitudes of thermal and kinetic SZ power spectra at 150 GHz.

引用

页数：7

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