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Table 5

Full-band spectral fits.

Component Parameter RGS LETGS RGSa LETGSa Pre-burstac Post-burst (a,d) MEGa
Cold gas NH (1025 m-2) ≡1.4 ≡1.4
kT (eV) ≡0.5 ≡0.5
σV (km s-1) ≡10 ≡10
N 1.0 ± 0.2 ≡1
O 0.64 ± 0.05 ≡0.64
Ne 0.9 ± 0.1 ≡0.9
Mg 0.4 (<1.3) ≡0.4
Fe 0.1 (<0.2) ≡0.1
Δχ2/d.o.f. 24 / 5
Warm gas 1 NH (1025 m-2) ≡0.19
log 10-9ξ (Wm) −2.94 ± 0.24 ≡–2.94
σV (km s-1) ≡10 ≡10
Δχ2/d.o.f. 99 / 2
Warm gas 2 NH (1025 m-2) 0.05 ± 0.01 ≡0.05
kT (eV) 12 ± 2 ≡12
σV (km s-1) ≡10 ≡10
Δχ2/d.o.f. 76 / 2
Hot gas NH (1025 m-2) 0.3 ± 0.1 ≡0.3
kT (eV) 100 ± 10 ≡100
σV (km s-1) 10 (<20) ≡10
C 0.5 ± 0.3 ≡0.5
N 0.2 ± 0.1 ≡0.2
O ≡1 ≡1
Ne 0.2 ± 0.1 ≡0.2
Mg 0.5 ± 0.3 ≡0.5
Fe 0.2 ± 0.1 ≡0.2
Δχ2/d.o.f. 306 / 8
Dustb Pyroxene 4 ± 1 ≡4
Hematite 1.0 ± 0.5 ≡1
Carbon monoxide 4 ± 2 ≡4
Metallic iron 1.2 ± 0.5 ≡1.2
Δχ2/d.o.f. 140 / 4
Slow wind NH (1025 m-2) 0.04 ± 0.01 0.03 ± 0.01 0.05 ± 0.01 0.05 ± 0.01 0.04 ± 0.01 0.07 ± 0.03
log 10-9ξ (Wm) −3.3 ± 0.2 −3.0 ± 0.5 −3.3 ± 0.2 −3.3 ± 0.2 −3.6 ± 0.3 −3.0 ± 0.4
σV (km s-1) ≡50 ≡50 ≡50 ≡50
V (km s-1) −510 ± 50 −570 ± 40 −600 ± 50 −570 ± 100 −400 ± 100
Ne 13 ± 6(c) 10 ± 4(c) ≡10 ≡10
Δχ2/d.o.f. 103 / 4
Fast wind NH (1025 m-2) 0.005 ± 0.002 0.007 ± 0.003 0.009 ± 0.002 0.006 ± 0.002 0.013 ± 0.005 0.018 ± 0.008
log 10-9ξ (Wm) + 0.8 ± 0.2 −0.2 ± 0.3 + 0.9 ± 0.1 + 0.9 ± 0.3 + 0.5 ± 0.5 + 1.2 ± 0.5
σV (km s-1) ≡50 ≡50 ≡50 ≡50
V (km s-1) −1000 ± 130 −980 ± 150 −1100 ± 150 −1900 ± 400
Ne 13 ± 6(c) 10 ± 4(c) ≡10 ≡10
Δχ2/d.o.f. 21 / 4
Blackbody Flux (ph m-2 s-1) (e) 560 ± 60 1330 ± 70 560 ± 60 1330 ± 70 1810 ± 80 1540 ± 100 1310 ± 300
kT (eV) 0.20 ± 0.03 0.40 ± 0.05 0.20 ± 0.03 0.40 ± 0.05 0.40 ± 0.05 0.40 ± 0.05 0.09 ± 0.02
Powerlaw Flux (ph m-2 s-1) (e) 3850 ± 40 7490 ± 150 3850 ± 40 7490 ± 150 7065 ± 150 7080 ± 220 3620 ± 60
Γ 2.1 ± 0.1 2.3 ± 0.1 2.1 ± 0.1 2.3 ± 0.1 2.3 ± 0.1 2.3 ± 0.1 2.1 ± 0.1
Statistics χ2 / d.o.f. 8841/5838 8828/5834 2010/1574 1864/1574 815/1242

Notes. All upper limits are given at the 2σ level.

(a)

Semijoint fits with wind parameters decoupled.

(b)

Dust column densities are in units of 1020 m-2.

(a)

Ne abundances are coupled.

(d)

Pre- and post-burst LETGS spectra.

(e)

Fluxes are calculated in the 7−27 Å spectral range.

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