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Swift-XRT spectra of GRB 121031A

Last updated after receiving ObsID 00537195001, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 68 to 57437 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+135 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)5.8 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index1.89 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
8.3 (+0.3, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.32 (+0.05, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.03 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
560.90 (642)
Spectrum exposure264 s

PC mode. Mean photon arrival: T0+17721 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)7.1 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index2.23 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
1.43 (+0.06, -0.06) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.01 (+0.22, -0.18) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.95 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.30 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
546.39 (584)
Spectrum exposure18.5 ks

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Late Time spectrum (T0 + 4660 to 57437 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20696 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)7.1 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index2.27 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
1.18 (+0.05, -0.05) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.56 (+0.21, -0.17) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.88 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.40 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
516.66 (557)
Spectrum exposure17.6 ks

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