Fig. 2

(a) Left: the 0.5−10 keV spectrum of ESO 138−G1 when the best-fit model is applied. The lower panel shows the deviations of the observed data from the model in units of standard deviation. (b) Right: best-fit model for the broad band X-ray spectrum. This model (solid line) consists of a pure reflection component (dash-dotted line) plus an additional unobscured power-law component accounting for the soft X-ray scattered/leaked emission (dashed line). It also includes the hard and soft X-ray Gaussian emission lines listed in Tables 2 and 3, respectively.
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