Fig. A.6

Unfolded 3−20 keV RXTE X-ray spectra of Cir X-1 for the first and second observations (top two panels), and the four sub-intervals of the third observation (bottom four panels). The solid black curves illustrate the total spectral model, while the individual components are represented as follows: DiskBB (red dashed), Bbody (blue dotted), Gaussian (pink dot-dashed lines).
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