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Swift-XRT spectra of GRB 200809B

Last updated after receiving ObsID 00021026003, version 8

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 14034 to 52993 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+24719 s

NH (Galactic)3.18 × 1021 cm-2
NH (intrinsic)1.1 (+7.3, -1.1) × 1021 cm-2
z of absorber0
Photon index2.26 (+1.52, -0.79)
Flux (0.3-10 keV)
(Observed)		3.1 (+2.1, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		5.8 (+17.3, -2.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.60 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		15.56 (23)
Spectrum exposure5.0 ks