Image Details
Caption: Fig. 2.
Line profiles of the clearly identified He I lines (top six panels) and the sum‐averaged He I line profile in 100 km s−1 velocity bins (binned line, bottom panel) and a double‐Gaussian profile fit to this average profile (smooth curve, bottom panel).
© 2001. The American Astronomical Society. All rights reserved. Printed in U.S.A.