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Swift-XRT spectra of GRB 220107B

Last updated after receiving ObsID 00021480001, version 9

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 34554 to 36216 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+35429 s

NH (Galactic)3.15 × 1020 cm-2
NH (intrinsic)1.2 (+1.5, -1.1) × 1021 cm-2
z of absorber0
Photon index1.7 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)		4.7 (+1.4, -1.0) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		5.6 (+1.2, -1.0) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.05 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.82 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		66.35 (86)
Spectrum exposure1.7 ks