Image Details
Caption: Fig. 2.
Chandra spectra of the sample of X‐ray–weak quasars. The shaded region represents the X‐ray spectrum expected assuming ﹩\alpha _{\mathrm{OX}\,}=1.55﹩ and ﹩\Gamma =1.8﹩. ROSAT upper limits are shown for the three sources having fluxes significantly higher than those in ROSAT observations.
© 2003. The American Astronomical Society. All rights reserved. Printed in U.S.A.