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Swift-XRT spectra of GRB 090107B

Last updated after receiving ObsID 00020096002, version 8

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 4206 to 9619 s)

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+4210 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+5751 s

NH (Galactic)6.07 × 1020 cm-2
NH (intrinsic)9 (+10, -8) × 1020 cm-2
z of absorber0
Photon index1.59 (+0.25, -0.23)
Flux (0.3-10 keV)
(Observed)
9.1 (+1.5, -1.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.05 (+0.13, -0.11) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.40 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.08 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
151.02 (201)
Spectrum exposure1.8 ks