Image Details
Caption: Fig. 12.
Observed ﹩( \mathrm{FUV}\,-V) _{0}﹩ colors vs. the [Fe/H] estimated from optical colors for M87 clusters (circles). Milky Way GCs are shown by triangles. The theoretical isochrones are from Fig. 6 of LLG02. With current cosmological parameters, the baseline (﹩\Delta t=0﹩) is ~12 Gyr.
© 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A.