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Swift-XRT spectra of GRB 180809A

Last updated after receiving ObsID 00020821003, version 8

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 13739 to 25682 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+19792 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)8 (+6, -4) × 1021 cm-2
z of absorber0
Photon index2.6 (+0.8, -0.7)
Flux (0.3-10 keV)
(Observed)		5.7 (+2.2, -1.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.74 (+1.23, -0.54) × 10-11 erg cm-2 s-1
Counts to flux (obs)2.92 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.87 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		56.06 (60)
Spectrum exposure892 s