Image Details
Caption: Fig. 10.
Color‐magnitude diagrams for the asymmetry in the upper nebula ﹩m_{ul}-m_{ur}﹩. Note that the data plotted as the ordinate are independent of the data plotted as the abscissa to avoid spurious effects due to correlated errors.
© 2007. The American Astronomical Society. All rights reserved. Printed in U.S.A.