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Swift-XRT spectra of GRB 190531B

Last updated after receiving ObsID 00020895012, version 11

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 18193 to 29723 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+23250 s

NH (Galactic)1.76 × 1020 cm-2
NH (intrinsic)9.1 (+1.2, -1.1) × 1021 cm-2
z of absorber0
Photon index2.16 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)		2.71 (+0.18, -0.16) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		5.7 (+0.7, -0.3) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.18 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.73 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		435.24 (469)
Spectrum exposure5.0 ks