Image Details
Caption: Fig. 3.
Hβ emission equivalent widths for (a) all H II nuclei in our survey, (b) nuclei with types S0–Sbc, (c) nuclei with types Sc–I0, and (d) the sample of disk H II regions of McCall et al. (1985). The bins are separated by 5 Å, and the last bin contains all objects with EW(Hβ) > 99 Å.
© 1997. The American Astronomical Society. All rights reserved. Printed in U.S.A.