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Swift-XRT spectra of GRB 220118A

Last updated after receiving ObsID 01093742001, version 83

Data were analysed using HEASOFT version -1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 96 to 11871 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+109 s

NH (Galactic)2.25 × 1020 cm-2
NH (intrinsic)1.9 (+0.8, -0.7) × 1021 cm-2
z of absorber0
Photon index3.5 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
2.77 (+0.31, -0.28) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.0 (+5.7, -1.9) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.94 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
140.90 (168)
Spectrum exposure32 s

PC mode. Mean photon arrival: T0+1959 s

NH (Galactic)2.25 × 1020 cm-2
NH (intrinsic)0 (+5.57 × 1020, -0) cm-2
z of absorber0
Photon index1.81 (+0.27, -0.15)
Flux (0.3-10 keV)
(Observed)
1.39 (+0.18, -0.21) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.46 (+0.19, -0.20) × 10-11 erg cm-2 s-1
Counts to flux (obs)3.53 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.71 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
118.89 (154)
Spectrum exposure1.7 ks

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Late Time spectrum (T0 + 10447 to 11871 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11095 s

NH (Galactic)2.25 × 1020 cm-2
NH (intrinsic)2.4 (+4.1, -2.4) × 1021 cm-2
z of absorber0
Photon index2.26 (+1.17, -0.95)
Flux (0.3-10 keV)
(Observed)
1.1 (+0.8, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.8 (+5.1, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.46 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
24.89 (30)
Spectrum exposure1.4 ks

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