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Swift-XRT spectra of GRB 210928A

Last updated after receiving ObsID 00031417176, version 13

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 67374 to 91015 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+78025 s

NH (Galactic)2.32 × 1021 cm-2
NH (intrinsic)4 (+342, -4) × 1019 cm-2
z of absorber0
Photon index1.4 (+0.6, -0.3)
Flux (0.3-10 keV)
(Observed)		1.1 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.25 (+0.37, -0.28) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.83 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.55 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		61.79 (63)
Spectrum exposure4.9 ks