Table 5: Best fit parameters for different one component spectral models for 1WGA J1713.4-3949 using the MOS and pn data all at once. The errors are in the range $\Delta \chi ^2 < 2.7$ (90% confidence level) on one parameter. D₁ is the distance in units of 1 kpc.
One component model kT (keV) R (D₁ km) L $(10^{33} \: D^2_{1} \: {\rm erg} \: {\rm s}^{-1})$ $\Gamma$ $N_{{\rm H}}$ (10²² cm^-2)

Power law 4.24 1.10

$\chi^2 = 740$ (475 d.o.f.) (4.18-4.30) (1.07-1.13)

Blackbody 0.41 0.37 0.49 0.35

$\chi^2 = 622$ (475 d.o.f.) (0.40-0.42) (0.36-0.38) (0.47-0.51) (0.33-0.37)

Bremsstrahlung 0.94 0.70

$\chi^2 = 499$ (475 d.o.f.) (0.92-0.96) (0.68-0.72)

**Table 5:** Best fit parameters for different one component spectral models for 1WGA J1713.4-3949 using the MOS and pn data all at once. The errors are in the range $\Delta \chi ^2 < 2.7$ (90% confidence level) on one parameter. D₁ is the distance in units of 1 kpc.
One component model	kT (keV)	R (D₁ km)	L $(10^{33} \: D^2_{1} \: {\rm erg} \: {\rm s}^{-1})$	$\Gamma$	$N_{{\rm H}}$ (10²² cm^-2)
Power law				4.24	1.10
$\chi^2 = 740$ (475 d.o.f.)				(4.18-4.30)	(1.07-1.13)
Blackbody	0.41	0.37	0.49		0.35
$\chi^2 = 622$ (475 d.o.f.)	(0.40-0.42)	(0.36-0.38)	(0.47-0.51)		(0.33-0.37)
Bremsstrahlung	0.94				0.70
$\chi^2 = 499$ (475 d.o.f.)	(0.92-0.96)				(0.68-0.72)

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