Image Details
Caption: Fig. 3.
Time series and power spectra at height 1.54 R⊙, latitude 137° (streamer, top left), height 2.0 R⊙, latitude 154° (quiet Sun, top right), and height 1.77 R⊙, latitude 182° (coronal hole, bottom).
© 2004. The American Astronomical Society. All rights reserved. Printed in U.S.A.