This HST data was taken from the following Hubble proposals: 9167, 9347, and 9969: G.F. Benedict (University of Texas, Austin), B. McArthur (McDonald Observatory), E. Nelan (STSCI), A. Hatzes (Tautenburg Observatory, Germany), W. Cochran (University of Texas, Austin), and G. Gatewood (University of Pittsburg).

The science team also includes M. Endl and R. Wittenmyer (McDonald Observatory/University of Texas, Austin), S. Baliunas (Harvard-Smithsonian Center for Astrophysics), G. Walker and S. Yang (University of Victoria), M. Kurster (Max-Planck Institute for Astronomy, Heidelberg), S. Els (Cerro Tololo Interamerican Observatory), and D. Paulson (GSFC).