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Swift-XRT spectra of GRB 081211B

Last updated after receiving ObsID 00020093003, version 11

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 81651 to 92171 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+86870 s

NH (Galactic)7.87 × 1019 cm-2
NH (intrinsic)0 (+5.53 × 1020, -0) cm-2
z of absorber0
Photon index1.77 (+0.37, -0.14)
Flux (0.3-10 keV)
(Observed)		1.66 (+0.29, -0.33) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.70 (+0.25, -0.31) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.51 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		73.07 (108)
Spectrum exposure3.9 ks