Fig. 1
(a) Left: XMM-Newton PN spectrum resulting from the merging of the 2007 February and March observations of ESO 138 − G1. (b) Right: the RD model fitted to the 3.5 − 10 keV spectrum of ESO 138 − G1. This model consists of a Compton reflection continuum component and five Gaussian lines accounting for the neutral Fe Kα line, its Compton shoulder, and the He-like Fe Kα, Fe Kβ, and Ni Kα emission lines, respectively. The bottom panel shows the data-to-model ratios.
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