Fig. 3.

Results of EPIC spectral fitting (see text and Table 6 for details). We show the 5 pn and stacked MOS spectra (grey and magenta data points, respectively), fitted simultaneously by a fully ionized hydrogen neutron star atmosphere model with B = 1013 G, Teff = (5.16 ± 0.17) × 105 K, and a broad Gaussian absorption line of σ = 91.4 ± 0.4 eV at eV (black and red solid lines).
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