Table 4: Table of fit parameters for the phase-averaged broad band spectrum shown in Fig. 10 for two different spectral models (see text). A systematic error of 2% was assumed. The uncertainties given are at 90% confidence level for single parameter errors ( $\chi ^2_{\rm min} + 2.7$).

Compon.
Parameter Unit Model A Model B Ref.a Ref.b Ref.c Ref.d Ref.e

phabs
$N_{\rm H}$ (JEM-X1, ISGRI) 1022 cm-2   0 (frozen) 1.29 14.1 41 12.7 7.2
phabs $N_{\rm H}$ (JEM-X2) 1022 cm-2   $\rm 18.4^{+3.7}_{-3.6}$          
powerlaw $\Gamma$ (JEM-X2, ISGRI)   1 (frozen) $1.27 \pm 0.05$ 1.07   1.0 0.83 0.60
powerlaw $\Gamma$ (JEM-X1)   1.3 (frozen) $1.27 \pm 0.05$          
powerlaw normalisation (1 keV) (keV cm2 s)-1 $\rm0.055^{+0.003}_{-0.002}$ $0.12 \pm 0.02 $ 0.06   0.046    
highecut Cutoff energy keV $\rm 21.6^{+1.0}_{-1.4}$ $24.4 \pm 0.9 $ 12.82     13.0 <5.0
highecut Folding energy keV $19.0 \pm 0.2 $ $21.2\pm 0.5$ 29.37     21.2 17.0
Gaussian Fe line centre keV     6.65 6.4/7.1 6.4 6.47 6.60
Gaussian Fe line width $(\sigma)$ keV     0.40 0.2/0.3 0.044 0.42 0.24
Gaussian Total flux in Fe line 10-3 (cm2 s)-1     2.77 0.74/0.25 0.8   3.0
energy range   keV 6-160 6-160 3-100 0.5-10 4-8 1-100 3-40
red. $\chi^2$     1.00 0.94          
d.o.f.     258 253          
a Baykal (2000); b Audley et al. (2006), non eclipse spectrum, 2 Fe lines; c Chakrabarty et al. (2002);
d Orlandini et al. (1999); e Kamata et al. (1990).

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