Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20717018b&link_type=abstract
American Astronomical Society Meeting 207, #170.18; Bulletin of the American Astronomical Society, Vol. 37, p.1430
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We present a new determination of the cosmic distance scale at high redshift using the joint analysis of high redshift (0.14 < z <0.89) Chandra X-ray and OVRO and BIMA Sunyaev-Zel'dovich (SZ) effect data of a sample of 39 high redshift (0.14 < z <0.89) galaxy clusters. The SZ/X-ray distance determinations are completely independent of the traditional cosmic distance ladder and provide a valuable check of - and are complementary to - low-redshift determinations of the expansion rate such as the HST Key project results. We review the technique, including the inherent assumptions and possible systematics, and present the results.
Bonamente Massimiliano
Carlstrom Johan
Dawson Kyle
Joy Marhshall
LaRoque Samuel
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