Image Details
Caption: Fig. 5.
Radius vs. luminosity as a function of helium enrichment for the alternate sequence of stellar models with mass M* = 0.20 M☉. The models with depleted hydrogen (helium enrichment) start their evolution at considerably larger luminosities and show much smaller increases in radii.
© 1997. The American Astronomical Society. All rights reserved. Printed in U.S.A.