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Swift-XRT spectra of GRB 220101A

Last updated after receiving ObsID 01091527013, version 11

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 4.61 (GCN 31353)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 87 to 40110 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+156 s

NH (Galactic)6.29 × 1020 cm-2
NH (intrinsic)0 (+5.55 × 1020, -0) cm-2
z of absorber4.61
Photon index1.491 (+0.015, -0.017)
Flux (0.3-10 keV)
(Observed)
1.365 (+0.027, -0.019) × 10-8 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.461 (+0.026, -0.021) × 10-8 erg cm-2 s-1
Counts to flux (obs)4.31 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
938.83 (816)
Spectrum exposure152 s

PC mode. Mean photon arrival: T0+18943 s

NH (Galactic)6.29 × 1020 cm-2
NH (intrinsic)6 (+8, -6) × 1021 cm-2
z of absorber4.61
Photon index1.63 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
6.11 (+0.22, -0.21) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.72 (+0.19, -0.19) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.07 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
590.69 (631)
Spectrum exposure10.5 ks

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Late Time spectrum (T0 + 4002 to 40110 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19482 s

NH (Galactic)6.29 × 1020 cm-2
NH (intrinsic)6 (+9, -6) × 1021 cm-2
z of absorber4.61
Photon index1.62 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
5.85 (+0.21, -0.20) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.43 (+0.19, -0.18) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.07 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
570.68 (623)
Spectrum exposure10.3 ks

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