Fig. 7. The broad band ( Hz) power spectrum of Cyg X-1 in the hard and soft spectral states averaged over different data sets used for the analysis. The power spectra were multiplied by the frequency.
![[FIGURE]](img106.gif)
![[FORMULA]](img104.gif)
Hz) power spectrum of Cyg X-1 in the hard and soft spectral states averaged over different data sets used for the analysis. The power spectra were multiplied by the frequency.