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Swift-XRT spectra of GRB 131103A

Last updated after receiving ObsID 00576562009, version 16

Data were analysed using HEASOFT version 6.32

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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

NH (Galactic)1.14 × 1020 cm-2
NH (intrinsic)1.5 (+0.4, -0.3) × 1022 cm-2
z of absorber0.599
Photon index2.50 (+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?
219.28 (282)
Spectrum exposure44 s

PC mode. Mean photon arrival: T0+8738 s

NH (Galactic)1.14 × 1020 cm-2
NH (intrinsic)1.39 (+0.32, -0.28) × 1022 cm-2
z of absorber0.599
Photon index2.01 (+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 exposure12.2 ks

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Late Time spectrum (T0 + 6046 to 58824 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18394 s

NH (Galactic)1.14 × 1020 cm-2
NH (intrinsic)1.8 (+0.6, -0.5) × 1022 cm-2
z of absorber0.599
Photon index2.22 (+0.28, -0.26)
Flux (0.3-10 keV)
(Observed)
2.02 (+0.29, -0.25) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.94 (+1.07, -0.64) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.74 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.29 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
186.71 (231)
Spectrum exposure10.6 ks

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