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Swift-XRT spectra of GRB 131103A

Last updated after receiving ObsID 00576562009, version 16

Data were analysed using HEASOFT version 6.29

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.599 (GCN 15451)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 58824 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+94 s

N_H (Galactic)	1.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.4, -0.3) × 10²² cm^-2
z of absorber	0.599
Photon index	2.50 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	4.8 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.11 (+0.29, -0.18) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	219.23 (282)
Spectrum exposure	44 s

PC mode. Mean photon arrival: T0+8235 s

N_H (Galactic)	1.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.37 (+0.30, -0.27) × 10²² cm^-2
z of absorber	0.599
Photon index	1.99 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	5.8 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.1 (+0.9, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	336.47 (395)
Spectrum exposure	12.2 ks

Late Time spectrum (T0 + 6046 to 58824 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18343 s

N_H (Galactic)	1.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+0.6, -0.5) × 10²² cm^-2
z of absorber	0.599
Photon index	2.24 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	1.96 (+0.28, -0.24) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.89 (+1.08, -0.64) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.73 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	187.79 (230)
Spectrum exposure	10.6 ks