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Swift-XRT spectra of GRB 090118

Last updated after receiving ObsID 00020098002, version 14

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 25291 to 53811 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+40704 s

NH (Galactic)1.30 × 1021 cm-2
NH (intrinsic)0 (+2.97 × 1021, -0) cm-2
z of absorber0
Photon index1.5 (+0.7, -0.5)
Flux (0.3-10 keV)
(Observed)		2.8 (+1.1, -1.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		3.1 (+2.5, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.60 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		35.59 (23)
Spectrum exposure5.9 ks