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Swift-XRT spectra of GRB 070913

Last updated after receiving ObsID 00290843002, version 14

Data were analysed using HEASOFT version 6.32

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Time-averaged spectrum (T0 + 75220 to 168491 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+102225 s

NH (Galactic)1.20 × 1021 cm-2
NH (intrinsic)1.6 (+14.5, -1.6) × 1021 cm-2
z of absorber0
Photon index2.2 (+6.1, -1.2)
Flux (0.3-10 keV)
(Observed)		5 (+5, -3) × 10-14 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		9 (+37, -5) × 10-14 erg cm-2 s-1
Counts to flux (obs)3.11 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.12 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?		15.22 (13)
Spectrum exposure12.0 ks