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Swift-XRT spectra of GRB 090117

Last updated after receiving ObsID 00020097001, version 9.

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Time-averaged spectrum (T0 + 13698 to 31942 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+17774 s

NH (Galactic)1.00 × 1022 cm-2
NH (intrinsic)2.0 (+1.8, -1.3) × 1022 cm-2
z of absorber0
Photon index2.6 (+1.0, -0.8)
Flux (0.3-10 keV)
(Observed)
8.3 (+2.9, -2.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.8 (+16.0, -1.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.44 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.51 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
58.31 (68)
Spectrum exposure5.9 ks