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Swift-XRT spectra of GRB 131117A

Last updated after receiving ObsID 00577968006, version 8

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 4.042 (GCN 15494)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 69 to 85670 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+101 s

N_H (Galactic)	1.50 × 10²⁰ cm^-2
N_H (intrinsic)	4.7 (+1.9, -1.7) × 10²² cm^-2
z of absorber	4.042
Photon index	2.53 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	3.47 (+0.33, -0.30) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+0.7, -0.6) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	195.97 (224)
Spectrum exposure	51 s

PC mode. Mean photon arrival: T0+7937 s

N_H (Galactic)	1.50 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+1.9, -1.7) × 10²² cm^-2
z of absorber	4.042
Photon index	2.02 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	1.17 (+0.15, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.33 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.19 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	192.34 (219)
Spectrum exposure	15.6 ks

Late Time spectrum (T0 + 4135 to 85670 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18274 s

N_H (Galactic)	1.50 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+3.6, -2.9) × 10²² cm^-2
z of absorber	4.042
Photon index	2.06 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	4.6 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.14 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	113.97 (125)
Spectrum exposure	15.0 ks