Image Details
Caption: Fig. 13.
[O/Fe] vs. [Fe/H] diagram for the ad hoc scale. Because the two oxygen indicators were forced to agree on this scale, each star is indicated by a single filled circle. The error bars are those derived for the forbidden lines, but the values derived for the permitted lines are similar.
© 2003. The American Astronomical Society. All rights reserved. Printed in U.S.A.