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Swift-XRT spectra of GRB 131128A

Last updated after receiving ObsID 00579683001, version 20

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 90 to 91114 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+93 s

NH (Galactic)6.67 × 1020 cm-2
NH (intrinsic)2.0 (+7.0, -2.0) × 1021 cm-2
z of absorber0
Photon index1.83 (+1.24, -0.93)
Flux (0.3-10 keV)
(Observed)
3.2 (+2.9, -1.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.3 (+3.3, -1.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.63 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
18.33 (29)
Spectrum exposure8 s

PC mode. Mean photon arrival: T0+10710 s

NH (Galactic)6.67 × 1020 cm-2
NH (intrinsic)7 (+7, -6) × 1020 cm-2
z of absorber0
Photon index1.59 (+0.18, -0.17)
Flux (0.3-10 keV)
(Observed)
2.29 (+0.29, -0.25) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.64 (+0.25, -0.21) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.99 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
212.15 (280)
Spectrum exposure16.0 ks

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Late Time spectrum (T0 + 5274 to 91114 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15750 s

NH (Galactic)6.67 × 1020 cm-2
NH (intrinsic)4 (+8, -4) × 1020 cm-2
z of absorber0
Photon index1.44 (+0.21, -0.20)
Flux (0.3-10 keV)
(Observed)
1.47 (+0.23, -0.20) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.62 (+0.18, -0.15) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.71 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.17 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
170.14 (225)
Spectrum exposure14.8 ks

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