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Program Number
Program Name 400 Square Degrees Distant Cluster Survey                      
Alexey Vikhlinin  [email]  [web]  
Co-Investigator(s) Hernan Quintana, Allan Hornstrup and Rodio Burenin


This program is to measure redshifts for complete sample of galaxy clusters serendipitously detected in ROSAT X-ray observations. This 400 square degrees survey is a direct extension of our highly successful CfA-ROSAT 106 saure degrees survey. This survey will produce a sample of 40-50 clusters at z=0.4-0.7 in the mass range identical to that for the 50 richest clusters within z < 0.1 and thus will make possible a direct comparison of the local and distant cluster populations. The goal of this project is to observe lower-redshift members of the 400 square degrees survey which is necessary for selecting a complete sample at high redshifts.
Spectra [search in archive]
Trimester(s) data taken 2004a-2004b
Papers none

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