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Swift-XRT spectra of GRB 050520

Last updated after receiving ObsID 00020010002, version 63

Data were analysed using HEASOFT version 6.29

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Time-averaged spectrum (T0 + 7666 to 53176 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+22253 s

NH (Galactic)1.31 × 1020 cm-2
NH (intrinsic)2.5 (+4.1, -2.3) × 1022 cm-2
z of absorber0
Photon index0.56 (+1.29, -0.91)
Flux (0.3-10 keV)
(Observed)
4.2 (+2.3, -1.6) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.9 (+2.2, -1.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)1.27 × 10-10 erg cm-2 ct-1
Counts to flux (unabs)1.48 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
61.90 (41)
Spectrum exposure16.6 ks