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Swift-XRT spectra of GRB 080120

Last updated after receiving ObsID 00020060002, version 7

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 8489 to 15724 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9932 s

NH (Galactic)1.07 × 1021 cm-2
NH (intrinsic)2.9 (+7.0, -2.9) × 1020 cm-2
z of absorber0
Photon index2.10 (+0.26, -0.22)
Flux (0.3-10 keV)
(Observed)		3.5 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		4.7 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.23 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.30 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		142.78 (196)
Spectrum exposure4.0 ks