The Sunyaev-Zel'dovich angular power spectrum as a probe of cosmological parameters
نویسندگان
چکیده
منابع مشابه
The Sunyaev–Zel’dovich angular power spectrum as a probe of cosmological parameters
The angular power spectrum of the Sunyaev–Zel’dovich (SZ) effect is a powerful probe of cosmology. It is easier to detect than individual clusters in the field, is insensitive to observational selection effects and does not require a calibration between cluster mass and flux, reducing the systematic errors which dominate the cluster-counting constraints. It receives a dominant contribution from...
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We present the first detection of the cross-correlation angular power spectrum between the thermal Sunyaev-Zel’dovich (tSZ) effect and the X-ray emission over the full sky. The tSZ effect and X-rays are produced by the same hot gas within groups and clusters of galaxies, which creates a naturally strong correlation between them that can be used to boost the joint signal and derive cosmological ...
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Comptonization of the cosmic microwave background (CMB) radiation by hot gas in clusters of galaxies the Sunyaev-Zeldovich (S-Z) effect is of great astrophysical and cosmological significance. In recent years observations of the effect have improved tremendously; high signal-to-noise images of the effect (at low microwave frequencies) can now be obtained by ground-based interferometric arrays. ...
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The Sunyaev-Zeldovich ([57]; SZ) effect has proven to be an extremely powerful tool to study the physical and evolutionary properties of rich clusters of galaxies. Upcoming SZ experiments, with their much improved sensitivity and angular resolution, will provide unique information also on phases of galaxy evolution characterized by the presence of large amounts of hot proto-galactic gas. We pre...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2002
ISSN: 0035-8711,1365-2966
DOI: 10.1046/j.1365-8711.2002.05889.x