Table 2: Spectral parameters inferred from data from XMM1 and XMM2.

Parameter		 BB BB+BB BB+BBa PL BB+PL BB+PLb BB+PLc BKPL BREMSS
$N_{\rm H}$( $10^{21}\mbox{cm}^{-2}$) $\rm 2.67^{+0.09}_{-0.09}$ $\rm 4.54^{+0.49}_{-0.43}$ $\rm 6.38^{+0.21}_{-0.13}$ $\rm 9.26^{+0.14}_{-0.17}$ $\rm 8.57^{+0.88}_{-0.35}$ 4.00 8.02 $\rm 7.62^{+0.17}_{-0.36}$ $\rm 5.76^{+0.11}_{-0.11}$

$\Gamma_{1}$		 - - - $\rm 4.29^{+0.02}_{-0.02}$ $\rm 4.67^{+0.14}_{-0.05}$ $\rm 2.51^{+0.11}_{-0.13}$ 3.50 $\rm 3.61^{+0.05}_{-0.05}$ -

$\Gamma_{2}$		 - - - - - - - $\rm 5.29^{+0.20}_{-0.18}$ -

T1 (106 K)		 $\rm 4.32^{+0.04}_{-0.03}$ $\rm 2.61^{+0.30}_{-0.26}$ $\rm 1.87^{+0.02}_{-0.02}$ - $\rm 4.43^{+0.05}_{-0.07}$ $\rm 3.80^{+0.06}_{-0.05}$ 1.87 - $\rm 9.57^{+0.18}_{-0.06}$

T2 (106 K)		 - $\rm 5.04^{+0.28}_{-0.20}$ $\rm 4.58^{+0.03}_{-0.07}$ - - - - - -

R1 (km)		 $\rm 1.23^{+0.03}_{-0.02}$ $\rm 3.29^{+1.12}_{-0.74}$ 10 - $\rm0.89^{+0.06}_{-0.08}$ $\rm 1.59^{+0.06}_{-0.06}$ 10 - -

R2 (km)		 - $\rm0.75^{+0.12}_{-0.15}$ $\rm 1.09^{+0.04}_{-0.04}$ - - - - - -

$N_{\mbox{bremss}}$ (10-2 cm-5)		 - - - - - - - - $\rm 1.28^{+0.02}_{-0.02}$

$F_{X_{0.1{-}2.4~{\rm keV}}}$ (erg cm-2 s-1)		 $5.82\times10^{-12}$ $9.67\times10^{-12}$ $2.04\times10^{-11}$ $1.77\times10^{-9}$ $2.60\times10^{-9}$ $1.18\times10^{-11}$ $2.18\times10^{-10}$ $3.45\times10^{-10}$ $2.40\times10^{-11}$

$F_{X_{0.5{-}10~{\rm keV}}}$ (erg cm-2 s-1)		 $6.05\times10^{-12}$ $8.94\times10^{-12}$ $1.48\times10^{-11}$ $4.46\times10^{-11}$ $3.88\times10^{-11}$ $8.28\times10^{-12}$ $2.69\times10^{-11}$ $2.48\times10^{-11}$ $1.27\times10^{-11}$

Reduced $\chi ^2$		 1.82 1.20 1.28 1.91 1.21 1.42 3.77 1.22 1.20

d.o.f.		 467 465 466 467 465 466 467 465 467
The emitting areas inferred from the blackbody fits are calculated for the assumed distance of 2.2 kpc.
$F_{X_{0.1{-}2.4~{\rm keV}}}$ and $F_{X_{0.5{-}10~{\rm keV}}}$ are unabsorbed fluxes in the energy range 0.1-2.4 keV and 0.5-10 keV, respectively.
a R1 fixed at 10 km radius.
b $N_{\rm H}$ fixed at $4\times10^{21}\mbox{cm}^{-2}$.
c R1 and T1 fixed at 10 km and $1.87\times10^{6}$ K respectively.

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