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Swift-XRT spectra of GRB 111107A

Last updated after receiving ObsID 00507185005, version 13

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.893 (GCN 12537)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 71 to 52706 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+81 s

NH (Galactic)1.32 × 1021 cm-2
NH (intrinsic)0 (+1.41 × 1022, -0) cm-2
z of absorber2.893
Photon index1.76 (+0.25, -0.16)
Flux (0.3-10 keV)
(Observed)
3.0 (+0.4, -0.5) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.6 (+0.5, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.80 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.56 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
112.28 (141)
Spectrum exposure27 s

PC mode. Mean photon arrival: T0+5426 s

NH (Galactic)1.32 × 1021 cm-2
NH (intrinsic)1.4 (+113.0, -1.4) × 1020 cm-2
z of absorber2.893
Photon index2.04 (+0.18, -0.12)
Flux (0.3-10 keV)
(Observed)
1.94 (+0.19, -0.20) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.52 (+0.24, -0.18) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.29 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
210.06 (264)
Spectrum exposure16.4 ks

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Late Time spectrum (T0 + 5050 to 52706 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16607 s

NH (Galactic)1.32 × 1021 cm-2
NH (intrinsic)8.7 (+23.8, -8.7) × 1021 cm-2
z of absorber2.893
Photon index2.22 (+0.35, -0.29)
Flux (0.3-10 keV)
(Observed)
4.78 (+1.00, -0.82) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.0 (+1.6, -1.1) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.07 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.46 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
84.80 (122)
Spectrum exposure14.8 ks

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