Image Details
Caption: Fig. 1.
(a) Correlation between O/H at the disk half‐light radius Reff and absolute B magnitude for spiral and irregular galaxies. (b) O/H at Reff vs. rotation speed Vrot for the same sample. For spirals the rotation speed is taken to be that on the flat part of the rotation curve.
© 2002. The American Astronomical Society. All rights reserved. Printed in U.S.A.