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Swift-XRT spectra of GRB 080916B

Last updated after receiving ObsID 00324907000, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 1364 to 8551 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+3718 s

N_H (Galactic)	1.90 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.02 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.54 (+0.49, -0.25)
Flux (0.3-10 keV) (Observed)	1.9 (+0.4, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.9 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.16 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.24 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	42.71 (56)
Spectrum exposure	2.9 ks

Late Time spectrum (T0 + 7209 to 8551 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7987 s

N_H (Galactic)	1.90 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+2.72 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.18 (+1.09, -0.46)
Flux (0.3-10 keV) (Observed)	9 (+6, -5) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9 (+7, -4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.69 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	15.32 (14)
Spectrum exposure	1.3 ks