Table 3: Results of phase resolved spectroscopy.
  Minimum Rise Peak Decline
$N_{\rm H}$ (1021 cm-2) fixed 1.0 1.0 1.0 1.0

$kT_{\rm BB1}$ (keV)		 0.157 $\pm$ 0.001 0.156 $\pm$ 0.001 0.171 $\pm$ 0.002 0.164 $\pm$ 0.002

$R_{\rm BB1}^{(a)}$ (km)		 4.67 $\pm$ 0.03 4.85 $\pm$ 0.06 4.01 $\pm$ 0.03 4.20 $\pm$ 0.04

$kT_{\rm BB2}$ (keV)		 0.297 $\pm$ 0.002 0.302 $\pm$ 0.002 0.293 $\pm$ 0.002 0.290 $\pm$ 0.002

$R_{\rm BB2}^{(a)}$ (km)		 1.00 $\pm$ 0.01 0.98 $\pm$ 0.03 1.04 $\pm$ 0.01 1.12 $\pm$ 0.03

E1 (keV)		 0.664 $\pm$ 0.005 0.679 $\pm$ 0.005 0.703 $\pm$ 0.006 0.668 $\pm$ 0.012

a1		 94.4 $\pm$ 1.5 $\rm 98.2^{+3.4}_{-2.6}$ $\rm 78.7^{+1.9}_{-1.8}$ $\rm 70.1^{+1.5}_{-12.1}$

b1		 -499+6-5 -464+15-9 -320+7-6 -403+11-9

c1		 $\rm 848^{+21}_{-20}$ $\rm 762^{+51}_{-34}$ $\rm 424^{+23}_{-17}$ $\rm 724^{+21}_{-37}$

EW1 (eV)		 $\rm 114^{+4}_{-5}$ $\rm 103^{+5}_{-6}$ $\rm 92^{+5}_{-5}$ $\rm 93^{+5}_{-3}$

FWHM1 (keV)		 0.22 $\pm$ 0.01 0.19 $\pm$ 0.01 0.21 $\pm$ 0.01 0.32 $\pm$ 0.02

r1(b)		 0.46 $\pm$ 0.02 0.43 $\pm$ 0.02 0.29 $\pm$ 0.02 0.30 $\pm$ 0.02

E2 (keV)		 1.37 $\pm$ 0.01 1.38 $\pm$ 0.02 1.33 $\pm$ 0.01 1.35 $\pm$ 0.01

a2		 147 $\pm$ 11 34.5 $\pm$ 0.5 $\rm 171^{+16}_{-5}$ $\rm 63.3^{+0.8}_{-0.5}$

b2		 -690+62-38 -7.33+0.09-0.01 -981+73- 19 -121+1-2

c2		 $\rm 1087^{+333}_{-137}$ $\rm0.213^{+0.010}_{-0.002}$ $\rm 1629^{+216}_{-68}$ $\rm 60.3^{+1.0}_{-0.8}$

EW2 (eV)		 82 $\pm$ 6 66 $\pm$ 8 54 $\pm$ 6 93 $\pm$ 7

FWHM2 (keV)		 0.14 $\pm$ 0.02 0.35 $\pm$ 0.04 0.14 $\pm$ 0.02 0.21 $\pm$ 0.02

r2(b)		 0.41 $\pm$ 0.02 0.19 $\pm$ 0.03 0.19 $\pm$ 0.03 0.32 $\pm$ 0.02

E3 (keV)		 2.16 $\pm$ 0.05 2.15 $\pm$ 0.06 2.12 $\pm$ 0.04 2.08 $\pm$ 0.06

$\sigma_{3}$ (keV)		 0.09 $\pm$ 0.04 0.14 $\pm$ 0.05 0.08 $\pm$ 0.06 0.08 $\pm$ 0.06

EW3 (eV)		 $\rm 64^{+19}_{-19}$ $\rm 102^{+35}_{-40}$ $\rm 28^{+13}_{-13}$ $\rm 17^{+11}_{-11}$
r3(b) 0.25 $\pm$ 0.06 0.29 $\pm$ 0.06 0.13 $\pm$ 0.06 0.15 $\pm$ 0.06

$\chi^{2}$/d.o.f.		 1.09 1.20 1.35 1.01

d.o.f.		 79 79 78 78
a Radius at infinity for an assumed distance of 2 kpc.
b Relative line depth = 1. - F ( $E_{\rm line}$) / $F_{\rm C}$ ( $E_{\rm line}$), where F is the total flux and $F_{\rm C}$ is the flux of the continuum only.
All the errors are at the 90% confidence level for a single interesting parameter.

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