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Swift-XRT spectra of GRB 121117A

Last updated after receiving ObsID 00538696001, version 16

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 55 to 113937 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+119 s

NH (Galactic)6.32 × 1020 cm-2
NH (intrinsic)0 (+8.74 × 1020, -0) cm-2
z of absorber0
Photon index1.45 (+0.21, -0.12)
Flux (0.3-10 keV)
(Observed)
2.09 (+0.22, -0.28) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.23 (+0.21, -0.23) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.24 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.52 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
296.13 (334)
Spectrum exposure147 s

PC mode. Mean photon arrival: T0+11272 s

NH (Galactic)6.32 × 1020 cm-2
NH (intrinsic)0 (+8.91 × 1020, -0) cm-2
z of absorber0
Photon index1.98 (+0.42, -0.20)
Flux (0.3-10 keV)
(Observed)
2.4 (+0.4, -0.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.7 (+0.5, -0.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.24 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.73 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
74.50 (99)
Spectrum exposure21.8 ks

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Late Time spectrum (T0 + 4000 to 113937 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12268 s

NH (Galactic)6.32 × 1020 cm-2
NH (intrinsic)1.0 (+10.7, -1.0) × 1020 cm-2
z of absorber0
Photon index2.15 (+0.47, -0.27)
Flux (0.3-10 keV)
(Observed)
2.0 (+0.4, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+0.5, -0.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.01 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.68 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
74.20 (87)
Spectrum exposure21.4 ks

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