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Swift-XRT spectra of GRB 111222A

Last updated after receiving ObsID 00020194004, version 12

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 92870 to 100198 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+97020 s

NH (Galactic)1.82 × 1020 cm-2
NH (intrinsic)0 (+2.98 × 1021, -0) cm-2
z of absorber0
Photon index1.48 (+1.93, -0.58)
Flux (0.3-10 keV)
(Observed)		6 (+5, -4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		5.9 (+2.1, -2.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)6.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		27.45 (23)
Spectrum exposure4.0 ks