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Swift-XRT spectra of GRB 231222B

Last updated after receiving ObsID 00021641001, version 8

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 43177 to 54755 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+49658 s

NH (Galactic)7.13 × 1020 cm-2
NH (intrinsic)0 (+1.43 × 1021, -0) cm-2
z of absorber0
Photon index1.63 (+0.46, -0.29)
Flux (0.3-10 keV)
(Observed)		2.3 (+0.6, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		2.6 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.87 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		62.55 (61)
Spectrum exposure2.1 ks