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Swift-XRT spectra of GRB 180409A

Last updated after receiving ObsID 00020795001, version 6

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 53387 to 70070 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+58624 s

NH (Galactic)1.68 × 1020 cm-2
NH (intrinsic)2.5 (+8.4, -2.5) × 1021 cm-2
z of absorber0
Photon index1.70 (+1.33, -0.95)
Flux (0.3-10 keV)
(Observed)		1.44 (+1.42, -0.67) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.83 (+2.77, -0.66) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.20 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.34 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		24.13 (19)
Spectrum exposure975 s