Abstract
A photometric and redshift catalog of galaxies in the field of two rich galaxy clusters, MS 0015.9+1609 (z = 0.5481) and MS 0451.5-0305 (z = 0.5386), is presented as part of the CNOC cluster redshift survey carried out at the Canada-France-Hawaii Telescope (CFHT) using the MOS imaging multiobject spectrograph. The imaging and spectroscopic observations cover a single field of approximately 76 × 91, centered on each cluster. Redshifts for 247 galaxies, primarily ranging in magnitude from r = 20 to r = 22, were obtained. The data set is also presented graphically in several forms. The magnitude, color, and geometric selection functions for the redshift sample are presented and discussed.
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