Mathematics – Logic
Scientific paper
May 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..476..310r&link_type=abstract
Conference on 3K cosmology. AIP Conference Proceedings, Volume 476, pp. 310-314 (1999).
Mathematics
Logic
2
Background Radiations, Observational Cosmology, Intracluster Matter, Cooling Flows
Scientific paper
The spectral and spatial signatures imprinted on the cosmic microwave background radiation by hot gas in clusters of galaxies-the Sunyaev-Zeldovich effect-are of immense astrophysical and cosmological significance. In recent years observations of the effect have improved tremendously; high signal-to-noise images of the effect can now be obtained by interferometric arrays. Sensitive X-ray spectral and spatial measurements of clusters are expected in the near future, following the launch of two new X-ray satellites. These observational advances, together with a more accurate theoretical description of the effect, will yield a significantly improved value of H0, and reliable estimates of the total masses and peculiar velocities of clusters. The recent developments which have advanced the use of the effect as a valuable cosmological probe are briefly reviewed, along with a discussion of prospects for significant progress in the near future.
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