Galaxy Clusters as Cosmological Probes: Deep X-Ray and S-Z Effect Imaging of A1995 and A611

Details Galaxy Clusters as Cosmological Probes: Deep X-Ray and S-Z Effect Imaging of A1995 and A611 Galaxy Clusters as Cosmological Probes: Deep X-Ray and S-Z Effect Imaging of A1995 and A611

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...79j&link_type=abstract

Chandra Proposal ID #01800515

Mathematics

Logic

Chandra Proposal Id #01800515

Scientific paper

We propose to make definitive x-ray observations of two distant clusters of galaxies, A1995 and A611, in order to measure the spatial distribution of the x-ray emitting intracluster gas and to determine the x-ray temperature profile within each cluster. These x-ray measurements are important because they directly address the systematic uncertainties that are inherent in the use of galaxy clusters and the Sunyaev-Zel'dovich Effect to determine the cosmic distance scale; they will also allow us to independently determine the masses of these galaxy clusters, and to place constraints on the cosmological density parameter, Omega_°.

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