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Table 2:

Identified lines in the RGS spectra.

Line 		$E_{\rm rest}$a (keV) $E_{\rm obs}$b (keV) $\sigma$c (eV) Detected fluxd (10-6 photons cm-2 s-1)
        2003 2007 2008 2009

N VI f 		0.4198 0.4193 0.01 <33.8 <36.7 <31.4 20.3 $\pm$ 8.7
N VI i 0.4263 0.4257 0.01 <34.7 <9.5 <8.7 <13.1
N VI r 0.4307 0.4301(2) 0.01 (0-0.37) <31.4 24.9 $\pm$ 10.7 29.1 $\pm$ 9.9 22.8 $\pm$ 9.0
N VI He $\beta$ 0.4980 0.4965(3) 0.02 (0-0.74) 7.6 $\pm$ 6.9 9.4 $\pm$4.3 15.4 $\pm$ 5.0 10.6 $\pm$ 5.2
N VII Ly ${\alpha}$ 0.5003 0.4997(1) 0.37 (0.26-0.46) 26.2 $\pm$ 7.9 110.9 $\pm$ 8.5 122.4 $\pm$ 9.0 134.3 $\pm$ 10.1
O VII f 0.5611 0.5604 0.40 19.9 $\pm$ 9.6 28.9 $\pm$ 8.6 37.9 $\pm$ 8.9 51.3 $\pm$ 9.8
O VII i 0.5686 0.5680 0.40 10.8 $\pm$ 9.0 <15.5 16.1 $\pm$ 10.6 17.5 $\pm$ 10.1
O VII r 0.5739 0.5733(1) 0.40 (0.04-0.65) 13.1 $\pm$ 8.4 43.5 $\pm$ 8.8 53.1 $\pm$ 12.2 51.3 $\pm$ 10.0
N VII Ly $\beta$ 0.5929 0.5926(3) 0 (0-0.77) <13.3 13.4 $\pm$ 6.2 22.6 $\pm$ 6.4 23.3 $\pm$ 7.6
N VII Ly $\gamma$ 0.6254 0.6247(7) 0.63 <9.0 <3.7 <5.3 5.2 $\pm$ 4.7
N VII Ly $\delta$ 0.6404 0.6406(8) 0.63 15.3 $\pm$ 5.2 <1.7 <2.3 7.2 $\pm$ 4.6
O VIII Ly ${\alpha}$ 0.6537 0.6529(1) 0.63 40.5 $\pm$ 5.8 130.8 $\pm$ 8.0 167.5 $\pm$ 8.4 177.8 $\pm$ 9.9
O VII He $\beta$ 0.6656 0.6650(5) 0.63 (0.46-0.72) 9.4 $\pm$ 4.9 14.2 $\pm$ 4.9 8.2 $\pm$ 4.9 16.3 $\pm$ 5.5
O VII He $\gamma$ 0.6978 0.697(2) 0.11 5.1 $\pm$ 4.5 <4.1 6.9 $\pm$ 4.3 <2.8
Fe XVIII 0.7035 0.703(1) 0.11 <2.2 <8.2 <7.4 9.8 $\pm$ 4.4
O VII He $\delta$ 0.7127 0.712(1) 0.11 <8.8 <6.1 5.3 $\pm$ 4.0 <3.6
Fe XVII 0.7252 0.7250 0.11 <13.7 54.1 $\pm$ 10.7 90.9 $\pm$ 12.5 84.9 $\pm$ 13.7
Fe XVII 0.7271 0.7269(1) 0.11 (0-0.54) <6.0 29.9 $\pm$ 9.4 28.2 $\pm$ 10.1 46.1 $\pm$ 11.7
Fe XVII 0.7389 0.7380(2) 0.25 (0-0.72) 5.0 $\pm$ 4.4 34.4 $\pm$ 5.0 38.9 $\pm$ 5.2 49.2 $\pm$ 6.0
Fe XIX 0.7696 0.7658 0.20 <9.1 5.1 $\pm$4.4 <9.4 <10.1
Fe XVIII 0.7715 0.7708 0.20 6.7 $\pm$ 5.5 12.3 $\pm$ 5.2 24.9 $\pm$ 5.9 21.5 $\pm$ 6.6
O VIII Ly $\beta$ 0.7746 0.7738(2) 0.20 (0-0.86) <9.3 33.6 $\pm$ 5.6 36.2 $\pm$ 6.1 50.3 $\pm$ 7.1
Fe XVIII 0.7835 0.7817(8) 0.25 <9.4 6.7 $\pm$4.1 5.6 $\pm$ 4.3 7.7 $\pm$ 5.1
Fe XVIII 0.7935 0.7929(9) 0.25 <2.4 <7.1 8.6 $\pm$ 4.0 5.0 $\pm$ 4.5
Fe XVII 0.8023 0.803(1) 0.25 <3.6 12.6 $\pm$ 4.4 5.7 $\pm$ 4.7 <9.9
Fe XVII 0.8124 0.8113 0.25 <5.2 26.6 $\pm$ 5.9 44.9 $\pm$ 6.4 45.3 $\pm$ 7.2
O VIII Ly $\gamma$ 0.8169 0.8159(3) 0.25 (0-0.78) 5.1 $\pm$ 4.6 15.5 $\pm$ 6.1 19.8 $\pm$ 6.6 27.3 $\pm$ 7.4
Fe XVII 0.8258 0.8248(1) 0.64 (0.23-0.89) 14.9 $\pm$ 4.5 82.7 $\pm$ 6.4 100.3 $\pm$ 6.9 123.5 $\pm$ 8.0
O VIII Ly $\delta$ 0.8365 0.835(2) 1.89 <4.9 <4.5 5.2 $\pm$ 5.0 12.5 $\pm$ 5.6
Fe XVIII 0.8530 0.8517(8) 1.89 <3.2 11.4 $\pm$ 4.6 16.5 $\pm$ 5.0 19.4 $\pm$ 5.7
Fe XVIII 0.8626 0.862(1) 1.89 <10.0 11.3 $\pm$ 5.5 18.3 $\pm$ 5.5 13.4 $\pm$ 6.0
Fe XVIII 0.8726 0.8719(4) 1.89 (1.45-2.35) <9.0 30.7 $\pm$ 5.1 39.9 $\pm$ 5.5 54.6 $\pm$ 6.5
Fe XVII 0.8968 0.8957 0.85 5.0 $\pm$ 4.7 13.4 $\pm$ 4.5 17.1 $\pm$ 4.9 14.5 $\pm$ 5.5
Ne IX f 0.9050 0.9039 0.85 17.0 $\pm$ 6.6 43.5 $\pm$ 7.0 61.8 $\pm$ 7.9 57.7 $\pm$ 8.8
Ne IX i 0.9148 0.9136 0.85 <11.8 14.6 $\pm$ 12.1 23.2 $\pm$ 13.7 <30.1
Fe XIX 0.9171 0.9161 0.85 <13.2 <23.7 <26.3 38.2 $\pm$ 19.0
Ne IX r 0.9220 0.9208(2) 0.85 (0.25-1.23) 12.9 $\pm$ 7.8 85.3 $\pm$ 11.0 92.7 $\pm$ 11.3 99.7 $\pm$ 12.8
Fe XX 0.9651 0.965(1) 1.76 <4.3 14.6 $\pm$ 5.8 20.1 $\pm$ 6.2 24.1 $\pm$ 6.9
Fe XVII 1.0108 1.009(1) 1.76 <9.8 17.8 $\pm$ 6.7 28.1 $\pm$ 7.6 17.7 $\pm$ 8.0
Ne X Ly ${\alpha}$ 1.0219 1.0205(3) 1.76 (1.38-2.28) 20.8 $\pm$ 7.1 95.3 $\pm$ 9.2 107.0 $\pm$ 9.9 145.3 $\pm$ 11.5
Ne IX He $\beta$ 1.0740 1.075(2) 3.76 (2.41-5.53) 9.4 $\pm$ 8.0 16.5 $\pm$ 7.3 24.9 $\pm$ 7.3 24.5 $\pm$ 8.0
Ne IX He $\gamma$ 1.1270 1.124(3) 1.34 <7.4 11.2 $\pm$ 5.1 10.5 $\pm$ 5.7 7.0 $\pm$ 5.9
Fe XVII 1.1512 1.15(5) 1.34 <5.1 9.8 $\pm$3.8 10.4 $\pm$ 4.3 13.3 $\pm$ 4.7
Ne X Ly $\beta$ 1.2109 1.210(2) 1.34 (0-3.94) <10.9 <9.4 <8.3 <8.8
Mg XI f 1.3311 1.3297 2.25 9.0 $\pm$ 8.3 10.7 $\pm$ 5.9 13.9 $\pm$ 5.7 18.6 $\pm$ 5.9
Mg XI i 1.3431 1.3417 2.25 <11.8 <13.0 <8.8 <7.0
Mg XI r 1.3522 1.3508(9) 2.25 (0-3.73) <15.3 25.9 $\pm$ 7.0 35.2 $\pm$ 6.7 44.4 $\pm$ 6.6
Mg XII Ly ${\alpha}$ 1.4726 1.473(2) 4.25 (0-7.27) <15.0 12.7 $\pm$ 4.5 21.1 $\pm$ 5.4 26.6 $\pm$ 5.7
Mg XI He $\beta$ 1.5793 1.582(6) 5.01 (0-17.1 ) 12.6 $\pm$ 10.0 5.6 $\pm$4.5 7.4 $\pm$ 5.3 6.2 $\pm$ 5.1
Si XIII f 1.8394 1.840 5.38 <31.0 <20.9 <27.4 <27.9
Si XIII i 1.8537 1.855 5.38 <33.9 <29.3 <4.96 <38.7
Si XIII r 1.8649 1.865(4) 5.38 (0-15.8 ) <36.3 34.4 $\pm$ 11.1 <4.68 39.8 $\pm$ 12.6
Si XIV Ly ${\alpha}$ 2.0060 1.997(1) 0 (0-230) <85.6 22.5 $\pm$ 12.4 19.7 $\pm$ 19.4 18.1 $\pm$ 15.8

Notes. All errors are for $\Delta \chi ^2=2.71$ confidence range. Parameters without errors were coupled to the corresponding parameter of the following line with higher energy (see text).
(a) Rest energy of identified line according to ATOMDB 1.3.1. If the line is a multiplet, we give the energy of the strongest component.
(b) Central energy of the fitted Gaussian.
(c) Best-fit value of Gaussian sigma width.
(d) Detected flux for the individual observations. For fluxes consistent with 0 at $\Delta\chi^2 \le 2.71$ only the upper limit is given.


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