Showing 1997Show all
2 papers · 1 filter
astro-ph1997
What Does Cluster Redshift Evolution Reveal ?
A. Blanchard, J. G. Bartlett
Evolution of the cluster population has been recognized as a powerful cosmological tool. While the present--day abundance of X-ray clusters is degenerate in , and , O…
astro-ph1997
Holes in the Microwave Sky
J. G. Bartlett, A. Blanchard, D. Barbosa +1
We discuss the implications of two possible, recent Sunyaev-Zel'dovich (SZ) detections for which no optical or X--ray counterparts have been found. This suggests that the objects r…