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Swift-XRT spectra of GRB 150220A — Source 1

Last updated after receiving ObsID 00020484002, version 5

Data were analysed using HEASOFT version 6.15.1

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Time-averaged spectrum (T0 + 284899 to 624300 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+425066 s

NH (Galactic)2.28 × 1020 cm-2
NH (intrinsic)4.0 (+28.5, -4.0) × 1020 cm-2
z of absorber0
Photon index1.4 (+0.8, -0.5)
Flux (0.3-10 keV)
(Observed)		3.0 (+1.7, -1.2) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		3.24 (+1.32, -0.97) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.29 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.56 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		28.47 (33)
Spectrum exposure7.2 ks