Table 1: Best fit parameters.
Model $E_{{\rm gaus}}$ $\sigma_{{\rm gaus}}$ $EW_{{\rm gaus}}$ Reflection factor Inclination angle Ionization parameter $EW_{{\rm laor}}$ $\chi^2$ /d.o.f.

(keV) (eV) (eV) $(^\circ)$ $\rm (erg~cm~s^{-1})$ (eV)

Baseline model 6.34ⁿ 200^p 200ⁿ $\dots$ $\dots$ $\dots$ $\dots$ ${\rm 41/18}$

Baseline model + pexrav ${\rm 6.36^{+0.05}_{-0.05}}$ ${\rm 80^{+60}_{-80}}$ ${\rm 90^{+30}_{-30}}$ ${\rm0.50^{+0.15}_{-0.20}}$ ${\rm 60^{+15}_{-20}}$ $\dots$ $\dots$ ${\rm 14/15}$

Baseline model + kdblur(reflion) ${\rm 6.37^{+0.04}_{-0.04}}$ ${\rm 80^{+40}_{-40}}$ ${\rm 80^{+20}_{-20}}$ $\dots$ 30^f ${\rm\xi<30}$ $\dots$ ${\rm 15/16}$

Baseline model + laor ${\rm 6.37^{+0.06}_{-0.06}}$ ${\rm 10^{+10}_{-10}}$ ${\rm 50^{+30}_{-20}}$ $\dots$ $\dots$ $\dots$ ${\rm 350^{+70}_{-90}}$ ${\rm 26/17}$

Model parameters not displayed correspond to default values.
ⁿ Poor fit does not allow error calculation; ^p fit parameter pegged at hard limit; ^f fixed parameter.

**Table 1:** Best fit parameters.
Model	$E_{{\rm gaus}}$	$\sigma_{{\rm gaus}}$	$EW_{{\rm gaus}}$	Reflection factor	Inclination angle	Ionization parameter	$EW_{{\rm laor}}$	$\chi^2$ /d.o.f.
	(keV)	(eV)	(eV)		$(^\circ)$	$\rm (erg~cm~s^{-1})$	(eV)
Baseline model	6.34ⁿ	200^p	200ⁿ	$\dots$	$\dots$	$\dots$	$\dots$	${\rm 41/18}$
Baseline model + pexrav	${\rm 6.36^{+0.05}_{-0.05}}$	${\rm 80^{+60}_{-80}}$	${\rm 90^{+30}_{-30}}$	${\rm0.50^{+0.15}_{-0.20}}$	${\rm 60^{+15}_{-20}}$	$\dots$	$\dots$	${\rm 14/15}$
Baseline model + kdblur(reflion)	${\rm 6.37^{+0.04}_{-0.04}}$	${\rm 80^{+40}_{-40}}$	${\rm 80^{+20}_{-20}}$	$\dots$	30^f	${\rm\xi<30}$	$\dots$	${\rm 15/16}$
Baseline model + laor	${\rm 6.37^{+0.06}_{-0.06}}$	${\rm 10^{+10}_{-10}}$	${\rm 50^{+30}_{-20}}$	$\dots$	$\dots$	$\dots$	${\rm 350^{+70}_{-90}}$	${\rm 26/17}$

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