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Swift-XRT spectra of GRB 220117A

Last updated after receiving ObsID 01093592003, version 11

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 4.961 (GCN 31480)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 158 to 74086 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+189 s

NH (Galactic)2.57 × 1020 cm-2
NH (intrinsic)9.1 (+1.4, -1.3) × 1022 cm-2
z of absorber4.961
Photon index2.53 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
9.0 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.45 (+0.08, -0.07) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.23 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
392.57 (396)
Spectrum exposure98 s

PC mode. Mean photon arrival: T0+6658 s

NH (Galactic)2.57 × 1020 cm-2
NH (intrinsic)8.5 (+15.3, -8.5) × 1021 cm-2
z of absorber4.961
Photon index1.77 (+0.10, -0.09)
Flux (0.3-10 keV)
(Observed)
7.9 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.5 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.83 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
345.91 (397)
Spectrum exposure9.9 ks

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Late Time spectrum (T0 + 4282 to 74086 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8683 s

NH (Galactic)2.57 × 1020 cm-2
NH (intrinsic)1.3 (+1.8, -1.3) × 1022 cm-2
z of absorber4.961
Photon index1.80 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
5.4 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.9 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.51 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.81 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
321.20 (349)
Spectrum exposure9.2 ks

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