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Swift-XRT spectra of GRB 220117A

Last updated after receiving ObsID 01093592003, version 11

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

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

Jump to: Time-averaged|Late Time

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

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+189 s

N_H (Galactic)	2.57 × 10²⁰ cm^-2
N_H (intrinsic)	9.0 (+1.4, -1.3) × 10²² cm^-2
z of absorber	4.961
Photon index	2.52 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	9.1 (+0.4, -0.4) × 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)	2.64 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.21 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	389.17 (396)
Spectrum exposure	98 s

PC mode. Mean photon arrival: T0+6659 s

N_H (Galactic)	2.57 × 10²⁰ cm^-2
N_H (intrinsic)	1.0 (+1.5, -1.0) × 10²² cm^-2
z of absorber	4.961
Photon index	1.77 (+0.10, -0.09)
Flux (0.3-10 keV) (Observed)	8.1 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.94 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	359.97 (394)
Spectrum exposure	9.9 ks

Late Time spectrum (T0 + 4282 to 74086 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8650 s

N_H (Galactic)	2.57 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+1.8, -1.4) × 10²² cm^-2
z of absorber	4.961
Photon index	1.80 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	5.6 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.60 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.91 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	321.71 (346)
Spectrum exposure	9.2 ks