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Home All issues Volume 500 / No 2 (June III 2009) A&A, 500 2 (2009) 873-882 Full HTML
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Table 2:

Best simultaneous fit to the non-dip and dip XIS + PIN spectra.
Model Parameters Non-dip Dip
$N_{\rm H}$ (1022 atom cm-2) $3.2\pm0.1$ $3.2\pm0.1$
CUTOFF POWER LAW    
$\Delta N_{\rm H}$ (1022 atom cm-2) 0.0 $22.2\pm0.8$
Covering fraction f 0.0 $0.63\pm0.02$
photon index $\Gamma $ $\rm 1.67^{+0.10}_{-0.03}$  
cut-off energy (keV) $\rm 85^{+77}_{-35}$  
normalization (10-2 ph cm-2 s-1) $\rm 2.4^{+0.9}_{-0.3}$  
BLACKBODY    
$\Delta N_{\rm H}$ (1022 atom cm-2) 0.0 >400
temperature $kT_{\rm BB}$ (keV) $1.35\pm0.36$  
normalization (10-5 erg s-1 at 10 kpc) $8.3\pm5.1$  
ABSORPTION LINE    
energy E (keV)   $6.52 \pm 0.10$
width $\sigma$ (keV)   0.01 (frozen)
normalization (10-5 ph cm-2 s-1)   $-1.0 \pm 0.8$
equivalent width EW (eV)   $-18 \pm 15$
ABSORPTION LINE    
energy E (keV) $6.67 \pm 0.05$ $\rm 6.68^{+0.18}_{-0.02}$
width $\sigma$ (keV) 0.01 (frozen) 0.01 (frozen)
normalization (10-5 ph cm-2 s-1) $ -1.24 \pm 0.71$ $\rm -0.9^{+0.8}_{-0.9}$
equivalent width EW (eV) $-12 \pm 7$ $-15 \pm 15$
ABSORPTION LINE    
energy E (keV)   $6.94 \pm 0.14$
width $\sigma$ (keV)   0.01 (frozen)
normalization (10-5 ph cm-2 s-1)   $-1.5 \pm 1.4$
equivalent width EW (eV)   $-26 \pm 25$
ABSORPTION LINE    
energy E (keV)   $7.6 \pm 0.2$
width $\sigma$ (keV)   0.01 (frozen)
normalization (10-5 ph cm-2 s-1)   -2.8 $\pm$ 2.1
equivalent width EW (eV)   $-68\pm 52$
dip/non-dip intensity shift   $0.79 \pm 0.04$
PIN normalization factor: $1.12\pm 0.07$ 1.12 (frozen)
$\chi ^2 \; / \rm d.o.f.$ 1381/1634 140/263
$\chi ^2_{\rm r}$ 0.85 0.53
90% confidence errors are given for all quantities except for the weaker 6.52 and 6.68 keV
lines where 67% confidence errors are shown for all parameters.

Source LaTeX | All tables | In the text

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