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Swift-XRT spectra of GRB 131108A

Last updated after receiving ObsID 00020326006, version 15

Data were analysed using HEASOFT version 6.32

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.4 (Tanvir et al. 2018)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3936 to 83587 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+30155 s

N_H (Galactic)	3.60 × 10²⁰ cm^-2
N_H (intrinsic)	10 (+8, -7) × 10²¹ cm^-2
z of absorber	2.4
Photon index	1.97 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	1.10 (+0.15, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.32 (+0.13, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.21 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	201.11 (223)
Spectrum exposure	18.4 ks

Late Time spectrum (T0 + 4002 to 83587 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31433 s

N_H (Galactic)	3.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+0.9, -0.8) × 10²² cm^-2
z of absorber	2.4
Photon index	2.01 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	1.01 (+0.14, -0.12) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.26 (+0.13, -0.12) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.19 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	188.25 (215)
Spectrum exposure	18.0 ks