Table 3: Spectral approximation of data collected at $\vert b\vert>2^\circ $.
  Epoch4 Epoch5
Photon index, $\alpha$ $2.14\pm0.02$ $2.15\pm0.02$
Line energy, keV $6.71\pm0.03$ $6.65\pm0.05$
Line width, keV <0.32 <0.39
Line EWa, eV $882\pm60$ $810\pm70$
$\chi^2$/d.o.f. 33/45 51/45

a Equivalent width of the line.

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