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Table 1

Simultaneous fits to RGS1/2 and MOS1/2 high-state spectra in March 2007 with Rauch (2003) atmosphere models.

Model Teff R Lbol [O] NH
(105 K) (108 cm) (1037 erg s-1) (1021 cm-2)

003 7.7 ± 0.1 5.0 ± 1.4 6 ± 2 3.8 ± 0.8 1.2 ± 0.1
004 7.6 ± 0.1 5.4 ± 1.5 7 ± 2 3.5 ± 0.8 1.3 ± 0.1
005 7.5 ± 0.1 6.1 ± 1.7 8 ± 3 3.0 ± 0.8 1.4 ± 0.1
006 7.3 ± 0.1 6.7 ± 1.9 9 ± 3 3.2 ± 0.7 1.5 ± 0.1
007 7.3 ± 0.1 6.8 ± 1.9 9 ± 3 3.3 ± 0.7 1.5 ± 0.1
008 7.3 ± 0.1 6.7 ± 1.9 9 ± 3 3.6 ± 0.6 1.5 ± 0.1
009 7.3 ± 0.1 6.8 ± 1.9 9 ± 3 3.8 ± 0.6 1.5 ± 0.1
010 7.3 ± 0.1 6.9 ± 2.0 10 ± 3 4.0 ± 0.6 1.5 ± 0.1
011 7.3 ± 0.1 7.0 ± 2.0 10 ± 3 4.2 ± 0.6 1.5 ± 0.1
201 7.9 ± 0.1 4.3 ± 1.2 5 ± 2 5.0 ± 1.5 1.1 ± 0.1

Notes. Absorption modeled by TBabs, free oxygen abundance in the absorbing material, and free NH; radius and luminosity assuming D = 11 kpc. Errors quoted correspond to 99% confidence range.

(1)

Abundance relative to solar.

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