Table 3: PN spectral fits for PKS 2149-306in the hard energy band 2-8 keV and galactic absorption.
Model $\Gamma$ E $\sigma$ / $\tau$ $\chi^2_{\rm red}$ /d.o.f.

(1) (2)

pow 1.44 $~\pm~$ 0.04 0.87/196

pow + Gauss 1.44 $~\pm~$ 0.05 4.96 $~\pm~$ 0.06 (0.01) 0.84/194

pow + edge 1.40 $~\pm~$ 0.07 5.10 $~\pm~$ 0.20 0.10 $\pm$ 0.10 0.85/194

The errors given are at the 90% level.
⁽¹⁾ Line energy in keV; the normalization of the line is $3.02\pm 2.57 \times$ 10^-6 ph/keV/cm²/s.
⁽²⁾ Line width ( $\sigma$ ) or depth of the absorption edge ( $\tau$ ) in keV.

**Table 3:** PN spectral fits for PKS 2149-306in the hard energy band 2-8 keV and galactic absorption.
Model	$\Gamma$	E	$\sigma$ / $\tau$	$\chi^2_{\rm red}$ /d.o.f.
		(1)	(2)
pow	1.44 $~\pm~$ 0.04			0.87/196
pow + Gauss	1.44 $~\pm~$ 0.05	4.96 $~\pm~$ 0.06	(0.01)	0.84/194
pow + edge	1.40 $~\pm~$ 0.07	5.10 $~\pm~$ 0.20	0.10 $\pm$ 0.10	0.85/194

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