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Table 2:

Best-fit models and X-ray fluxes at Earth for the two O-type stars.

$N_{\rm H}$ k T1 Norm1 k T2 Norm2 k T3 Norm3 $\chi^2_{\nu}$ (d.o.f.) $f_{\rm X}^{\rm abs}$ $f_{\rm X}^{\rm unabs}$
  1022 cm-2 keV 10-4cm-5 keV 10-4cm-5 keV 10-4cm-5   10-13 erg cm-2 s-1
HD 155806 (EPIC) $\rm0._{0.}^{0.003}$ $\rm0.19_{0.18}^{0.19}$ $\rm 4.51_{4.34}^{4.63}$ $\rm0.48_{0.45}^{0.50}$ $\rm 1.80_{1.65}^{1.95}$     1.54 (410) 4.78 9.16
HD 155806 (EP+RGS) $\rm0.04_{0.02}^{0.06}$ $\rm0.20_{0.18}^{0.21}$ $\rm 23.5_{10.1}^{47.0}$ $\rm0.73_{0.62}^{0.79}$ $\rm0.61_{0.50}^{1.02}$     1.36 (869) 4.61 8.69
+ abundances compared to solar : ${\rm N}=0.59_{0.29}^{0.99}$, ${\rm O}=0.21_{0.15}^{0.36}$, ${\rm Ne}=0.42_{0.36}^{0.51}$    
HD 155889 (EP, 2T) $\rm0.42_{0.23}^{0.56}$ $\rm0.09_{0.06}^{0.11}$ $\rm 474_{184}^{1729}$ $\rm0.61_{0.50}^{0.71}$ $\rm 2.14_{1.33}^{3.37}$     1.30 (38) 1.84 3.14
HD 155889 (EP, 3T) $\rm0.01_{0.}^{0.27}$ $\rm0.12_{0.07}^{0.15}$ $\rm 3.49_{1.39}^{10.6}$ $\rm0.63_{0.46}^{0.72}$ $\rm0.60_{0.46}^{4.17}$ $\rm 3.02_{1.93}^{9.12}$ $\rm0.65_{0.29}^{0.91}$ 1.20 (36) 2.21 3.49

Source LaTeX | All tables | In the text

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