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Swift-XRT spectra of GRB 131103A

Last updated after receiving ObsID 00576562009, version 16

Data were analysed using HEASOFT version 6.35.2

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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)

Download spectral files for Time-averaged spectrum.

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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	2.49 (+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)	2.97 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.85 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	220.34 (282)
Spectrum exposure	44 s

PC mode. Mean photon arrival: T0+8738 s

N_H (Galactic)	1.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.39 (+0.32, -0.28) × 10²² cm^-2
z of absorber	0.599
Photon index	2.01 (+0.16, -0.16)
Flux (0.3-10 keV) (Observed)	5.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.34 (+1.03, -0.80) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	329.06 (378)
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+18345 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)	3.88 (+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?	187.80 (230)
Spectrum exposure	10.6 ks