Thursday, January 13, 2005


Eisenstein et al. detect the first acoustic peak in the baryon distribution using the large scale correlation function from the spectroscopic SDSS sample of 46,748 luminous red galaxies. This provides the absolute distance to z=0.35 to an accuracy of 5% and confirms the standard cosmology parameters.

Bruggen et al. examine the effects on the ICM of AGN blowing bubbles using the 3-D FLASH code. Viscous and conductive dissipation distribute mechanical energy. They present synthetic Chandra observations.

Fabian et al. discuss viscous and conductive dissipation of sound waves in the ICM. They argue that this mechanism is most effective above 10^K thus allowing normal galaxy formation to proceed but stifling the growth of very massive galaxies.

Keywords: clusters, cosmology

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