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astro-ph2007★ 8 cited
Estimating Power Spectrum of Sunyaev-Zeldovich Effect from the Cross-Correlation between WMAP and 2MASS
Liang Cao, Jiren Liu, Li-Zhi Fang
We estimate the power spectrum of SZ(Sunyaev-Zel'dovich)-effect-induced temperature fluctuations on sub-degree scales by using the cross correlation between the three-year WMAP map…
astro-ph2006★ 2 cited
Constrain intergalactic medium from the SZ effect map
Liang Cao, Wei Zuo, Yao-Quan Chu
In this paper, we try to detect the SZ effect in the 2MASS DWT clusters and less bound objects in order to constrain the warm-hot intergalactic medium distribution on large scales…
astro-ph2006★ 10 cited
Cross-correlation between WMAP and 2MASS: non-Gaussianity induced by SZ effect
Liang Cao, Yao-Quan Chu, Li-Zhi Fang
We study the SZ-effect-induced non-Gaussianity in the cosmic microwave background (CMB) fluctuation maps. If a CMB map is contaminated by the SZ effect of galaxies or galaxy cluste…