Image Details
Caption: Fig. 15.
Observed optical‐to‐infrared luminosity ratios as a function of (a) infrared luminosity and (b) IRAS flux density ratio ﹩f_{60}/ f_{100}﹩. Symbols are as in Fig. 7. The correlations previously detected among the BGS LIGs are not apparent among the 1 Jy ULIGs.
© 1999. The American Astronomical Society. All rights reserved. Printed in U.S.A.