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Swift-XRT spectra of GRB 080723B

Last updated after receiving ObsID 00020079003, version 7

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 13401 to 40582 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+26170 s

NH (Galactic)8.87 × 1021 cm-2
NH (intrinsic)5.3 (+3.4, -3.0) × 1021 cm-2
z of absorber0
Photon index1.77 (+0.25, -0.24)
Flux (0.3-10 keV)
(Observed)		1.37 (+0.15, -0.14) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)		2.34 (+0.45, -0.29) × 10-11 erg cm-2 s-1
Counts to flux (obs)6.05 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.03 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?		280.29 (345)
Spectrum exposure3.7 ks