Holes in the Microwave Sky

Details Holes in the Microwave Sky Holes in the Microwave Sky

1997-07-06

arxiv.org/abs/astro-ph/9707059v1

Astronomy and Astrophysics

Astrophysics

Proceedings of the PPEUC conference held in Cambridge, UK, April 7-11, 1997

Scientific paper

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 reside at high redshift, which is difficult to reconcile with a critical cosmology. We develop this argument and find that an open model with $\Omo=0.2$ remains consistent with what we currently know about the two objects. The reasoning also demonstrates the utility of SZ cluster searches.

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