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Swift-XRT spectra of GRB 150220A — Source 4

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+511251 s

NH (Galactic)2.26 × 1020 cm-2
NH (intrinsic)0 (+9.21 × 1020, -0) cm-2
z of absorber0
Photon index2.3 (+0.8, -0.5)
Flux (0.3-10 keV)
(Observed)		1.2 (+0.6, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		1.3 (+0.6, -0.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.69 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.93 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		24.95 (19)
Spectrum exposure7.2 ks