Image Details
Caption: Fig. 19.
X‐ray spectra of two cool white dwarf candidates. These spectra are unusual in their lack of flux above 2.5 keV. They have been fitted with blackbodies with temperatures below 150 eV (histogram), consistent with the emission expected from a degenerate star.
© 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A.