Image Details
 
                    Caption: Fig. 2.
Background‐subtracted PCA and HEXTE spectra of 4U 0115+63 in the 1999 outburst, shown normalized to those of the Crab Nebula measured by the respective instruments. The figure excludes second observations on the same date (March 19b, 21b) and low‐exposure data (March 16 and 18 and April 1).
© 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A.