Proceedings of the Particle Physics and Early Universe Conference (PPEUC).
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Holes in the Microwave Sky

J.G. Bartlett, A. Blanchard, D. Barbosa

Observatoire de Strasbourg, 11, rue de l'Université, 67000 Strasbourg, FRANCE

J. Oukbir

Danish Space Research Institute, DSKI Juliane Maries Vej 30, DK-2700, Copenhagen 0, DENMARK


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 remains consistent with what we currently know about the two objects. The reasoning also demonstrates the utility of SZ cluster searches.

PPEUC Proceedings
Fri Jul 25 11:32:28 BST 1997