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SURFACE BRIGHTNESS FLUCTUATIONS IN THE<i>HUBBLE SPACE TELESCOPE</i>ACS/WFC F814W BANDPASS AND AN UPDATE ON GALAXY DISTANCES
We measure surface brightness fluctuation (SBF) magnitudes in the F814W filter and g-I colors for nine bright early-type Fornax cluster galaxies imaged with the Hubble Space Telescope Advanced Camera for Surveys (ACS). The goal is to achieve the first systematic SBF calibration for the ACS/F814W bandpass. Because of its much …