Open Access

Fig. A.2.

image

XMM-Newton EPIC broad-band spectra of HE 1353−1917. The best-fit model to the data (top) and the residuals (bottom) are shown. To achieve this best fit, we have to model the Galactic absorption, a power-law component, a 6.4 keV (rest-frame) Fe-line, and two zones of ionised absorption (XSTAR grid model). One absorption zone has a low and the other a high ionisation parameter (logξ ∼ −1.4, logξ ∼ 2.7, respectively). The low S/N RGS data confirm the presence of these two absorption systems with vout <  1000 km s−1.

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