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Swift-XRT spectra of GRB 120922A

Last updated after receiving ObsID 00534394015, version 8

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 120 to 19363 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+267 s

NH (Galactic)1.17 × 1021 cm-2
NH (intrinsic)9.4 (+1.0, -1.0) × 1020 cm-2
z of absorber0
Photon index2.07 (+0.03, -0.03)
Flux (0.3-10 keV)
(Observed)
2.43 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.46 (+0.05, -0.06) × 10-9 erg cm-2 s-1
Counts to flux (obs)3.35 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.78 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
801.08 (763)
Spectrum exposure450 s

PC mode. Mean photon arrival: T0+7172 s

NH (Galactic)1.17 × 1021 cm-2
NH (intrinsic)4 (+4, -3) × 1020 cm-2
z of absorber0
Photon index1.99 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
9.7 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.28 (+0.07, -0.07) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.44 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.51 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
327.82 (389)
Spectrum exposure8.8 ks

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Late Time spectrum (T0 + 5213 to 19363 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10744 s

NH (Galactic)1.17 × 1021 cm-2
NH (intrinsic)4 (+5, -4) × 1020 cm-2
z of absorber0
Photon index1.94 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
6.0 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.7 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.53 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.55 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
295.53 (336)
Spectrum exposure7.3 ks

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