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Swift-XRT spectra of GRB 121117A

Last updated after receiving ObsID 00538696001, version 16

Data were analysed using HEASOFT version 6.32

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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+111 s

NH (Galactic)6.32 × 1020 cm-2
NH (intrinsic)0 (+5.02 × 1020, -0) cm-2
z of absorber0
Photon index1.391 (+0.216, -0.078)
Flux (0.3-10 keV)
(Observed)
2.22 (+0.21, -0.31) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.36 (+0.19, -0.25) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.43 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.73 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
260.19 (326)
Spectrum exposure147 s

PC mode. Mean photon arrival: T0+11272 s

NH (Galactic)6.32 × 1020 cm-2
NH (intrinsic)0 (+9.40 × 1020, -0) cm-2
z of absorber0
Photon index1.98 (+0.42, -0.21)
Flux (0.3-10 keV)
(Observed)
2.6 (+0.4, -0.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.0 (+0.6, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.25 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.76 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
74.85 (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)1.3 (+11.0, -1.3) × 1020 cm-2
z of absorber0
Photon index2.16 (+0.48, -0.29)
Flux (0.3-10 keV)
(Observed)
2.2 (+0.5, -0.5) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.7 (+0.6, -0.5) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.02 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.72 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
74.66 (87)
Spectrum exposure21.4 ks

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