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Swift-XRT spectra of GRB 110428A

Last updated after receiving ObsID 00020161005, version 15

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 55914 to 67439 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+62785 s

NH (Galactic)9.77 × 1021 cm-2
NH (intrinsic)2.8 (+5.1, -2.5) × 1024 cm-2
z of absorber0
Photon index30.2 (+69.6, -27.6)
Flux (0.3-10 keV)
(Observed)		2.29 (+2.33, -0.98) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.0 (+1.00 × 10100, +10000000000000000159028911097599180468360808563945281389781327557747838772170381060813469985856815104.0) × 10-100 erg cm-2 s-1
Counts to flux (obs)5.39 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.36 × 10-98 erg cm-2 ct-1
W-stat (dof)
What's this?		8.48 (8)
Spectrum exposure4.9 ks