Image Details
Caption: Fig. 7.
NGC 718: R‐band isophotes on two scales (a, c); ellipse fits (b, WIYN R only); B−R color maps (d, median smoothing width ﹩w=5﹩ pixels, color range = 0.85 mag; f, unsmoothed, color range = 0.28 mag between ring and galaxy nucleus); R‐band unsharp mask (e, Gaussian ﹩\sigma =2﹩ pixels).
© 2003. The American Astronomical Society. All rights reserved. Printed in U.S.A.