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Swift-XRT spectra of GRB 100724B — Source 4

Last updated after receiving ObsID 00020145001, version 2

Data were analysed using HEASOFT version 6.15.1

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Time-averaged spectrum (T0 + 760515 to 762495 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+761620 s

NH (Galactic)3.88 × 1020 cm-2
NH (intrinsic)3.6 (+19.7, -3.6) × 1020 cm-2
z of absorber0
Photon index2.47 (+1.06, -0.62)
Flux (0.3-10 keV)
(Observed)		6.5 (+1.6, -2.1) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		8.6 (+11.6, -2.4) × 10-13 erg cm-2 s-1
Counts to flux (obs)2.43 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		25.13 (32)
Spectrum exposure2.0 ks