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Swift-XRT spectra of GRB 121031A

Last updated after receiving ObsID 00537195256, version 0

Data were analysed using HEASOFT version 6.22

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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)5.5 (+0.6, -0.5) × 1021 cm-2
z of absorber0
Photon index1.88 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
8.1 (+0.3, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.26 (+0.04, -0.05) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.40 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.90 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
591.52 (648)
Spectrum exposure264 s

PC mode. Mean photon arrival: T0+17985 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)
1.34 (+0.05, -0.05) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.830 (+0.076, -0.167) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.97 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
541.35 (595)
Spectrum exposure18.4 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+20231 s

NH (Galactic)4.69 × 1020 cm-2
NH (intrinsic)7.1 (+0.6, -0.6) × 1021 cm-2
z of absorber0
Photon index2.26 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
1.14 (+0.05, -0.04) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.46 (+0.19, -0.15) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.92 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.44 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
527.99 (574)
Spectrum exposure17.5 ks

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